PROCEDURE, MODELS OF FLEXIBLE CONTAINERS AND MACHINE TO GENERATE AND SEAL FLEXIBLE CONTAINER FLAPS

Description

TECHNICAL FIELD OF THE INVENTION

It belongs to the industry that manufactures three-dimensional or heat-sealed stable bottom flexible containers, which stand upright on their own because a flatter, wider and firmer side is generated in the container.

- The technology of this invention is applicable, complementing them, in other packaging machines that manufacture flexible containers, for example: the vertical (or, for example, the horizontal) machines for liquids and/or solids that, from a film roll, forms, fills and seals (one, two, three, four or more seams) of the container, for example, pad type, English type, stable bottom, stand up, stabilo Pack® or doy pack.
- These machines use different types of wrappers or film, which can be laminated, in the form of a tube or semi-tube, and can also be as a monolayer (e.g. polyethylene) or multilayer/complex (of two, three, four, five or more layers of, e.g. polypropylene-polyethylene, polyethylene-polyester or cardboard-polyethylene-aluminum bonded sheets).
- The products to be packaged are from well differentiated sectors:

A) Food:

a.1) Liquid or paste-like products (additionally may also contain solids) such as: drinks, yogurts, purees, soups, sauces or jams.

a.2) Solid products such as: corn flakes, vegetables, legumes, dried fruit, chips, olives or snacks.

B) Non-food:

b.1) Liquid or paste-like products (additionally may also contain solids) such as: mineral or synthetic oils, gels or shampoo, perfumes-colognes, creams, paints, chemical or cleaning products.

b.2) Solid products or objects such as: hardware parts (screws; washers; etc.), toys, consumables or kitchenware.

State of the Relevant Technique

On the one hand, there is the process of transforming initial containers into three-dimensional containers, also of my invention and which I call 3D compack.

This system has been protected with five applications for Invention Patents [PCT/ES2012/000261—WO201303903; PCT/ES2014/000041—WO2014140464; PCT/ES2015/000131—WO2016042176A1; PCT/ES2015/000174—WO2016087690A1; PCT/ES2016/000085—WO2017021570A1].

It consists of a procedure and machine to transform initial containers (flexible containers that have previously been configured, filled and sealed by vertical or horizontal machines) into different three-dimensional containers, such as: the cube, rectangular prism, rhomboid pyramid, cylinder or irregular polyhedra.

In a first stage, pressure is applied in the direction of the inner seal of the container, using at least one impact body on or against at least one part of at least one perimeter lateral side or area of two perimeter lateral sides contiguous to one end or apex; so that part of the fluid is displaced towards the contour of the container, increasing the pressure inside the container, as well as producing a local inflation effect, obtaining: at least one support side or additional side in the area of the container with which the impact body impacts which allows the container to stand upright in a stable manner and in turn modify the geometric configuration of the container, as well as generating at least one flap or triangular body contiguous to the support side or additional side and, in a second stage, the generated flap is sealed, by means of a heat source such as a resistance or by ultrasound, at least part of at least one side of at least one sealing line.

On the other hand, the vertical or horizontal packaging machines with which flexible packaging is also manufactured, that are available on the current market and have been marketed for at least twenty years, are the following;

- Stable bottom, English type, stand up or stabilo packaging systems, which use film rolls (laminated; semi-tube or tube), as well as a square or cylindrical forming tube where the film is fitted or adjusted to the above mentioned tube sliding along it thus momentarily configuring a cylindrical or cubic shape (in this case, a container from the middle down is mainly configured in a cubic form).

Then, when the wrapper used exceeds the tube (five or more centimeters) the container is sealed at the bottom and then (when the wrapper moves downwards) it is sealed from the top. In the case of wanting to configure a three-dimensional container in a cubic form from the middle down, and as the side that acts as the base is flat: the technique known as the English fold is used which is that, just as the container is transversely sealed from the bottom, a triangle-shaped impact body is introduced into the container from the bottom of the two parallel sides to the left and right of the container.

Also, optionally, up to five longitudinal sealing lines can be made outside the forming tube to give consistency to the container: one in the middle and at the longitudinal joint of the two ends of the fold that wraps the forming tube, thus sealing the sheet so that the wrapper remains in the intended tube shape, as well as four more longitudinal sealing lines on the four vertical edges of the cubic form generated by the forming tube.

Depending on the type of packaging (laminated; in tube or semi-tube) and the degree of stability to be obtained, the container may have two or three sealing lines such as those on the pad type, the English fold type or, for example, a combined half pad and half English type) or of four or five sealing lines (the stable bottom, stand up or stabilo type containers).

- The Doy pack packaging system, which has a support base side but is less stable, less volumetric and less economical (since it requires a special complex three-layer plastic to provide rigidity and consistency to the container). Also, as this container is almost flat—except for just the bottom part- and with two sealing lines on the sides: it makes it more difficult to dose or to use, because it generates a narrow mouth and also because, if the container contains liquid, less pressure is exerted on it making it difficult to leave.

The technique consists of folding or bending the film twice. First, in two equal halves; second, the part where the (closed) curvature of the fold or bend is made is introduced inwards, generating another fold or bend towards the inside of the container in order to make the container acquire a stable base shape (like a gusset that expands) on the underside with which it will be held upright and finally sealed with five seam lines (two at the bottom, two at the sides and one at the top once the product is introduced inside) to maintain the configuration of the container.

Technical Problem to be Solved

When applying, installing or incorporating the 3D plus system procedure, of generating and sealing at least one plus flap, directly in the vertical flexible packaging machines [e.g., the pad or pillow pack type of one, two, three, four or more sealing line containers that do not stand upright, or the containers that do stand upright such as those of the English type, gusseted, stand up, stabilo, doy pack or stable bottom/block bottom, which also have one, two, three, four or more sealing lines], the following technical aspects are solved:

1—the procedure and processes of the 3D compack transformation system are simplified, as it is now possible to carry out the entire transformation (generating and sealing or generating and folding one, two, three or four plus flaps or triangular body flaps, or one, two, three, four or more burr plus flaps or burr flap) of a pre-container before it has been made or filled inside with the product to be packaged, thus saving time and costs in the 3D plus transformation process.

2—the transformation of high production flexible packaging, such as initial packaging or pre-packaging produced by high performance vertical packaging machines for flexible packaging of 60, 70, 80 or more packaging units per minute, can be covered or undertaken effectively and immediately.

Therefore, since the 3D plus device can be installed in any of the vertical or horizontal packaging machines on the market, it solves the possibility of transforming any type of initial or pre-container size in a practical, functional, effective and economical way as well as expanding the marketing field.

3—it allows the sealing lines to be applied from the 3D plus system to be safer because they can be carried out when the container is empty without it still being filled with the product to be packaged, so that no particles, matter or substances can come between the packaging and the sealing. It also allows less alteration of the pre-selected sealing temperature so that safer sealing lines will be produced, and the operator will need to spend less time controlling and adjusting the sealing system.

4—make the burr plus flap or burr flap sealing lines easier, simpler and faster, which in addition to conferring greater stability and consistency to the container: they also enable an opening cap to be generated easily and quickly where to serve or take the product packaged inside, since these burr plus flaps or burr flaps can be detached by pulling on them.

Make these sealing lines on the edges. Later, when the container is tightly closed, it is more difficult because the container holds or necessarily contains a fluid inside (air/gas or/and liquid/paste) that makes the shape of the container more unstable, so if it contains a lot of fluid it will make it difficult to generate the burr plus flap or burr flap and, if it contains little fluid, the container will not be straight but curved, so at least part of the burr plus flap or burr flap may not be generated and sealed.

Exposure of the Invention

A first object of the invention, is the procedure or processes of generating at least one plus flap or triangular body flap: directly on the vertical (or, for example, on horizontal or diagonally inclined) packaging machines for flexible containers of the film type in rolls or laminated (or also in tubes or semi-tubes), in which these machines, in a first stage, form a pre-container open at least on one side, in a second stage fill the product to be packaged and, in a third stage the container is sealed (closed tightly all around the contour and sealed on all the perimeter sides) or pre-container, which can be closed (all around the contour and sealed on all the perimeter sides) or open, on at least one of its sides and then transferred to the production plants where they will be filled with the product to be packaged.

For this, at least one device of the 3D plus system will be installed in the vertical or horizontal flexible packaging machines to generate and seal at least one plus flap (on flexible containers, e.g. English type, stable bottom, stand up, stabilo or doy pack), at least one triangular body flap (in containers that are of the pad type or English type from the middle down and pad type from the middle up) or burr plus flap (these are made on the edges, preferably horizontally on the front and back side of the pre-container or container, so that it will be sealed over the English fold at the height of the ends of this edge).

- In the vertical packaging machines, when the procedure or processes of the 3D plus system are most optimized (generating and sealing the plus flap, triangular body flap or burr plus flap), it is when the devices of the invention are activated at the moment right after the sealing and cutting jaws of the vertical packaging machines are closed (trapping or transversely holding the film or sheet of the wrapper, blocking its advance) and, preferably, before the pre-container of the product to be packaged is filled.

A preferential mode of the procedure of the invention is set out below.

Procedure to transform flexible English fold, stable bottom, pad or half English fold or stable bottom and half pad containers or pre-containers manufactured on vertical packaging machines, by generating and sealing at least one flap, triangular body flap, English fold plus flap, stable bottom plus flap or burr plus flap.

The Procedure has the following four Stages:

A first stage, in which the wrapper (e.g., a complex two-layer film type sheet on a roll, or also, in a tube or semi-tube) is driven by a displacement mode (e.g. mechanical, such as that of at least one roller driven by a motor or turning cylinder) to the forming tube's forming neck (e.g, cylindrical, quadrangular or rectangular) where the sheet (or tube or semi-tube wrapper) is folded down to wrap the forming tube on all its sides or perimeter contour, so that the sheet will take the form of the forming tube, for example, quadrangular or cylindrical.

Also, if the vertical (or horizontal) machine produces stable bottom flexible containers, in addition to the English fold, it will also generate:

- at least one sealed fold with its longitudinal sealing line in at least one of the vertical edges or/and areas contiguous to it of at least one of the generated side faces of the pre-container, in which, preferably, four of these folds and edge sealing lines are generated, two on the left side and another two parallel on the right side: obtaining,
- a more stable, consistent pre-container or container with a support side that makes the base wider and flatter.

A second stage, in which the wrapper advances down the forming tube and will stop just after passing the sealing and cutting jaws, preferably rectilinear and arranged horizontally and,

followed by the sealing and cutting jaws:

- if the vertical packaging machine produces pad type containers, the sealing and cutting jaws will only be closed (without generating any folds or flaps), transversely trapping, clamping and blocking part of the wrapper, in such a way that it will be stretched or in tension in at least the area of the gap between the sealing and cutting jaws and the forming tube arranged vertically, where a previous pre-container is defined.
- if the vertical machine is producing an English fold or stable bottom type container: while the sealing and cutting jaws are being closed, the English fold flaps, characteristic of these two types of containers are generated [preferably at each of the four corners of the container (left or/and right) or/and (top or/and bottom)], by means of a mechanical mode such as a triangular shaped impact body (arranged horizontally), that, when introduced inside every lateral side or lateral face of the pre-container (which is being formed in the vertical machine) it generates the English fold at the bottom of the pre-container, and, at the top of the container, the English fold is generated in the same way but with the impact body being of a geometric quadrangular shape (arranged vertically). In this way, both impact bodies displace part of the sheet on the side face of the container near the apex of the corner inwards, thus generating two parallel triangular flaps folded inwards and which, in the case of being generated by the triangular impact body, the two parallel triangular flaps will be positioned horizontally, forming in turn, between both flaps: a larger triangular flap, as well as forming in the external side area of the container: a narrow gap/cavity or slot arranged horizontally; and, with the quadrangular impact body, two triangular flaps are also generated, folded inwards but, in this case, arranged diagonally separated from each other, so that both in turn form in the outer lateral area of the container: an irregular triangular shape (in which its lateral sides are curved) with a cavity or hole; obtaining:
- a flat or additional side on the bottom of the container or pre-container that is on top of the sealing and cutting jaws, which serves as a base for the container to stand upright.

In both cases, the wrapper on top of the sealing and cutting jaws cannot be blocked or loose because the 3D plus flaps of the invention will be generated later, in which the wrapper goes down (the proportional part depending on the size of the width and height of the plus flap to be generated) by folding part of the bottom of the lateral side of it onto at least another part of the wrapper of the flat support side.

A third stage, in which the sealing and cutting jaws must preferably remain closed throughout the transformation process of the 3D plus system and that, depending on the container model to be obtained, one can choose to generate one or more of the plus flaps and/or triangular bodies of the invention, as well as manipulate or transform, by means of a mode, the flaps, triangular body flaps, plus flaps or burr plus flaps that are generated.

The 3D plus procedure consists of or includes the following two steps:

First Step

Press in the direction of the inner seal of the pre-container or container, using at least one rigid or semi-rigid plus impact body [or, e.g., by means of a push mode such as directed air] on/against/with/between/in at least one part [or, also, e.g., against/with/between/in the intermediate area, partial area, complete area] of at least one lateral side or lateral face of the pre-container or/and container (preferably, of an area closer to the sealing and cutting jaws) or area of two or more sides or lateral sides (preferably, of an area closer to the sealing and cutting jaws) contiguous to one end or apex of the pre-container or/and container; so that part of the fluid is displaced towards the contour of the container, increasing the pressure inside the container, as well as producing a local inflation effect, thus obtaining:

- at least one wider and flatter supporting or additional side in at least the area or side of the pre-container or container with which the impact body impacts, allowing it to remain stable and upright, as well as modifying the geometric shape of the container or pre-container and,
- [at least one plus flap {English fold plus flap (mounted to an English fold), stable bottom plus flap (mounted to an English fold and to at least one lateral side edge flap)} and/or at least one burr plus flap {English fold burr plus flap (mounted to an English fold), stable bottom burr plus flap (mounted to an English fold and to one lateral side edge flap)] or/and [at least one triangular body flap or/and at least one flap or manipulated triangular flap, by means of a 3D compack transformation mode such as, for example, folded on itself {this circumstance means that, prior to folding the flap (15) on itself, the clamp (1a; 1b) has to be opened at least enough so that it can be released and thus the part of the flap (15; 11; 12) be able to move or rotate, or the part of the wrapper, film, sheet, tube or semi-tube, which is or is held, rammed or blocked by the clamp (1a; 1b) when it is in the closed position} or, if not, sealing and cutting the flap (15a) in the form of a strip flap (13)].] on the support side or additional side, or the area limited by a support contour or additional side.

Second Step

Seal, by means of a heat source mode such as a resistor or by ultrasound, at least part of at least one side with at least one sealing line of [at least one plus flap or/and at least one burr plus flap] or/and [at least one triangular body flap or/and at least one manipulated triangular body flap, e.g. folded on itself], defined in the previous step; obtaining:

- at least one sealing line that will keep at least one of the support sides or additional side, or the area limited by a support contour or additional side, permanently stable as well as keeping the English fold plus flap, stable bottom plus flap, English fold burr plus flap, stable bottom burr plus flap, triangular body flap, triangular body flap folded over itself or manipulated triangular body flap permanently stable.

Also, without pretending to be limiting as to the scope of protection of the invention, the different types of plus flaps and, preferably, the triangular body flap or pre-cut triangular body flap and/or subsequently, can be manipulated by choosing randomly and in combination and/or repetitively, for example, from among at least one or more of any of the options (of the 3D compack flexible packaging transformation system) for manipulating a flap described below:

- seal at least once at least part of at least one side of the triangular body flap or plus flap.
- fold or bend the triangular body flap or plus flap over itself and seal at least once at least part of at least one side of it;
- fold or bend the triangular body flap or plus flap over itself {this circumstance means that, prior to folding the flap (15) on itself, the clamp (1a; 1b) has to be opened at least enough so that it can be released and thus the part of the flap (15; 11; 12) be able to move or rotate, or the part of the wrapper, film, sheet, tube or semi-tube, which is or is held, rammed or blocked by the clamp (1a; 1b) when it is in the closed position} and seal it at least once, at least part of it, and also cut off at least once at least part of the remaining triangular body flap or resulting plus flap;
- seal at least once at least part of one side of the triangular body flap or plus flap, fold it or bend it over itself and seal at least part of it once;
- seal at least once at least part of one side of the triangular body flap or plus flap, fold it or bend it over itself and seal it at least once, at least part of at least a side of it, and also cut off at least once at least part of the remaining triangular body flap or resulting plus flap;
- seal at least once at least part of one side of the triangular body flap or plus flap, and cut off at least once at least part of it;
- seal at least once at least part of one side triangular body flap or plus flap, of the and cut off at least once at least part of it, fold it or bend it and seal it at least once, at least part of it, or also join the rest of the resulting flap or plus flap: to the rest of the container by means of a way to adhere it, as for example, with contact glue, a staple or a strip of tape;
- fold the triangular body flap or plus flap;
- fold the triangular body flap or plus flap and join it to the rest of the container by means of an adhesion mode such as, for example, contact glue, a staple or a strip of tape; and
- seal at least once at least part of at least one side triangular body flap or plus flap; fold it and, optionally, join it with the rest of the container at least once at least part of it, by means of an adhesion mode such as, for example, contact glue, a staple or a strip of tape.

A fourth and last stage, in which, first, the product to be packaged falls from the weighing machine or weighing hopper—which is located on top of the vertical packaging machine—through the forming tube into the previous pre-container located in the space between the sealing and cutting jaws and the forming tube of the vertical packaging machine and, then the sealing and cutting jaws seal (it can also be sealed in earlier stages, once the sealing and cutting jaws are closed) and transversely cut, at the same time, the previous pre-container and the following pre-container (both of which are located on top and under the sealing and cutting jaws) and,

finally, the sealing and cutting jaws are open, returning to the start position or the stop position: obtaining,

- on the one hand, a flexible container with a three-dimensional geometric shape or a geometric body that has been transformed in the vertical machine (or horizontal or, for example, diagonally), as well as it can be sealed and closed in its entirety or open on at least one side and,
- on the other hand, a non-individual and unfinished three-dimensional flexible previous pre-container without sealing or cutting on at least one side or the top part.

Next, a new manufacturing or processing cycle begins for the containers or pre-containers, so the wrapper will move downwards, sliding down the forming tube, a distance that depends on the size in height that one wants to give to the pre-container or container which is to be processed or manufactured: the greater the height of the container, the greater the distance or time that the wrapper moves forward.

A second object of the invention, is to protect the invention as a device or devices for application and installation in any of the vertical (or horizontal or diagonally inclined) flexible packaging machines that are already operating in the market today or, on the contrary, are to be manufactured.

The devices are the following:

Device to generate and seal at least one plus flap, burr plus flap, triangular body flap of a flexible pre-container or container of a vertical (or horizontal) packaging machine with a forming tube for flexible film type containers in rolls, sheets, tubes or semi-tubes.

This device is installed in an area around and next to the following pre-container and previous pre-container ((preferably without still containing anything inside of the product to be packaged—especially if it is not a liquid product—as well as not being completely closed, by keeping at least one side unsealed)) which is held and delimited between the sealing and cutting jaws—which hold it and/or block it—and the forming tube of the vertical machine.

This device will preferably be fixed to the sealing and cutting jaws, but it can also be fixed to a support (fixed in turn to the vertical machine) or to another element or part of the vertical machine, or it can also be fixed to the floor.

Likewise, the device of the invention is applicable both in a container (an individual unit, this being closed in its entirety or open on at least one side, in which it can be inside the vertical or horizontal machine, or be outside it) like in a previous or following pre-container (the one that is unfinished as it has not been completely transformed and still remains in the vertical or horizontal machine, as well as it may contain the packaged product inside or, preferably, it is empty). Therefore, any one of the transformation devices of the 3D plus system will preferably be fixed on top or/and on the bottom of the sealing and cutting jaws, and to [(left or/and right) or/and (in front or/and behind)] of the previous pre-container and the following pre-container.

Therefore, the three-dimensional transformation of the 3D plus system can be done completely, both at the top and bottom half of the containers or pre-containers, generating at least one flap, triangular bodies or burr (on the edges and/or lateral sides, or areas that are contiguous to these), although the result is not exactly the same in terms of appearance, because the original pre-container or container—before the transformation—is not the same in appearance either, since the bottom side and the lateral sides from the middle down of the container or pre-container are flat and, from the middle up, they are not flat both on the top side and on the lateral sides where the wrapper is pushed inwards to form a non-homogeneous, irregular hole. For this reason, the plus flaps generated and sealed (by means of the 3D plus transformation) on the bottom of the pre-container or container will have a uniform, smooth and homogeneous appearance, without protruding peaks, and the plus flaps on the top of the pre-container or container will be more irregular as they contain some folds, as well as this one of a triangular configuration protruding outwards in the form of a peak.

The 3D plus device, is equipped with at least one impact body driven by a mode, for example, of mechanical displacement of at least one linear or swivel cylinder (the most optimal, because the rotation striking action is carried out from top to bottom and, also, because it is easier to locate), where the impact body is fixed to its rod, as well as at least one sealing (or cauterization) system unit by means of a heat source such as that of at least a resistance or by ultrasound, in which this can be arranged or fixed to the (most optimal) impact body or/and to the vertical machine's sealing and cutting jaws; aiming at,

- first, to generate with the impact body on the edges or areas contiguous to the shaped or unfinished container: a flap, triangular body or burr and,
- second, seal at least once on at least part of one side of the triangular body flap, English fold plus flap or burr flap generated.

On the other hand, the plus flap, burr plus flap or, above all, the triangular body flap that is generated from a pre-container or flexible pad type container or half English fold or stable bottom and half pad type containers: can also be manipulated or transformed by means of other devices, procedures or methods of the 3D compack system described above in 5 patent applications also of my invention:

[PCT/ES2012/000261—WO201303903; PCT/ES2014/000041—WO2014140464; PCT/ES2015/000131—WO2016042176A1; PCT/ES2015/000174—WO2016087690A1; PCT/ES2016/000085—WO2017021570A1].

A choice can be made, without claiming to be restrictive as to the extent of the protection, in a random, combined and/or repetitive manner from among at least one or more of any of the following options for handling a flap:

- seal at least once at least part of at least one side of the triangular body flap or plus flap.
- fold or bend the triangular body flap or plus flap over itself and seal at least once by at least one sealing line on at least one side {this circumstance means that, prior to folding the flap (15) on itself, the clamp (1a; 1b) has to be opened at least enough so that it can be released and thus the part of the flap (15; 11; 12) be able to move or rotate, or the part of the wrapper, film, sheet, tube or semi-tube, which is or is held, rammed or blocked by the clamp (1a; 1b) when it is in the closed position}
- fold or bend the triangular body flap or plus flap over itself and seal it at least once at least part of it, and also cut at least once with at least part of the rest of the resulting triangular body flap or plus flap;
- seal at least once at least part of one side of the triangular body flap or plus flap, fold it or bend it over itself and seal at least part of it once;
- seal at least once at least part of one side of the triangular body flap or plus flap, fold it or bend it over itself and seal at least once at least part of at least one side of it and also cut at least once at least part of the rest of the triangular body flap or the resulting plus flap;
- seal at least once at least part of one side of the triangular body flap or plus flap, and cut at least once at least part of it;
- seal at least once at least part of one side of the triangular body flap or plus flap, and cut at least once at least part of it, fold it or bend it and seal at least part of it once, or also join the rest of the resulting flap or plus flap: to the rest of the container by means of a way of adhering it such as contact glue, a staple or a strip of tape;
- fold the triangular body flap or plus flap;
- fold the triangular body flap or plus flap and put it together with the rest of the container by means of a way of adhering it such as contact glue, a staple or a strip of tape; and
- seal at least once at least part of at least one side of the triangular body flap or plus flap; fold it and, optionally, put it together with the rest of the container at least once at least part of it by means of a way of adhering it such as contact glue, a staple or a strip of tape.

Device to Stretch the Wrapper by Means of Arms or Blades Before the Flap, Triangular Body, English Fold or Burr Plus Flap is Generated

A device to widen and stretch the wrapper of the pre-container lengthways (forward and backward) or/and widthwise (towards the sides) of the area, nearby area or area further up from where the flaps are generated (flap, triangular body flap, English fold plus flap, stable bottom plus flap, burr flap or burr plus flap), by means of a support body mode such as arms or blades as tensioners ((they can also be extendable and/or telescopic) that are fixed to the forming tube and remain inside the wrapper; in such a way that it will produce an effect in the area of expansion or configuration of the shape of the container to be obtained, prior to being sealed and/or if the pre-container is an individual unit sealed or not tightly.

This device will be arranged or located at the height (or approximately) of the pre-container: intended to facilitate, on the one hand, the formation of the geometric shape of the container or pre-container in the optimum dimensions (especially in a pad type container) and, on the other hand, to prevent the formation of folds in the area where the flap, second flap over English fold, triangular body or, for example, the burr of the 3D plus system is to be generated.

Device to Insufflate at Least One Fluid into the Pre-Container Before the Flaps of the Invention are Generated

A device to widen and inflate the wrapper of the pre-container but, above all, by the area, nearby area or area further up from where the flaps of the invention are generated (triangular body flap, English fold plus flap, stable bottom plus flap, burr flap or burr plus flap), by means of a way to insufflate a fluid such as air and/or gas; in such a way that a general inflation effect will be produced (or/and inflation aimed at specific areas where the flap, triangular body, English fold or burr plus flap of the pre-container is generated) or configuration of the shape of the container to be obtained, before being sealed and/or if the pre-container is an individual unit sealed or not tightly.

This device will be arranged or located inside the wrapper and fixed to the forming tube, as well as optionally at least one air blowing tube can be directed (e.g. with at least one air blowing tube hinged so that it can be bent) by positioning it right inside the wrapper of the pre-container in the position and/or at the height (or approximate) where the flap, triangular body, English fold or burr plus flap is generated: intended to

- on the one hand, enable the geometrical shape of the container or pre-container to be formed in the optimum dimensions (especially in a pad type container) and,
- on the other hand, that no folds are formed in the area where the flap, second flap over English fold, triangular body is to be generated

Device to Stretch the Wrapper by Means of Suction Cups Before the Flap, Triangular Body, English Fold or Burr Plus Flap is Generated

A device to widen and stretch the wrapper of the pre-container lengthways (forward and backward) or/and widthwise (towards the sides) of the area, nearby area or area further up from where the flap, triangular body, second flap over English fold or burr plus flap is generated, by means of a mode of at least one suction cup, with or without air aspiration.

These will be fixed outside the wrapper to at least one element or part of the packaging machine, as well as, optionally, at least one suction cup can be fixed to the rod of a linear or rotating cylinder to approach the wrapper; in such a way that it will produce an effect in the area of expansion or configuration of the shape of the container to be obtained, prior to being sealed and/or if the pre-container is an individual unit sealed or not tightly.

Conical Flap Removal Device

This device will act, before at least one flap is generated (plus flap; burr plus flap, triangular body flap; manipulated triangular body flap (15) to the left and right of the top of the following pre-container, a cone-shaped flap without folds will be generated, by means of a conical flap removal device, in such a way that it will facilitate the following generation in/on this conical flap: at least one flap (plus flap; burr plus flap, triangular body flap; manipulated triangular body flap (15) without folds, wider or broader.

The device consists of the following elements or parts:

- On the one hand, at least one support body such as a blade, arm, claw or even a chest of drawers. These are driven mechanically, e.g. by a rotary or swivel actuator or at least a linear cylinder, in which the support bodies are located on the left and/or right, preferably from the middle or middle down of the side face of the following pre-container or, in the case of the drawer unit, it will be fixed right below the following pre-container so that the same can be pushed in, from the middle down (or approximately).

These device elements will preferably be fixed to the axis of a rotary or swivel actuator or to the rod of a linear cylinder (if the following pre-container is to be pushed or moved from the sides and/or from the bottom); intended to:

- in the case of being attached to a rotary actuator, flip over to the left or/and the right side the following pre-container which is secured transversely at the top by the sealing and cutting jaws (1), and
- in the case of being fixed to a linear cylinder, move, preferably, laterally or laterally upwards, or diagonally upwards; and,
- on the other hand, of at least one swivel (or rotary) actuator or of at least one pneumatic or electric linear cylinder, fixed to a support mode facing at least one lateral side or that of the front or back side of the pre-container or container, and on which its axis is arranged at a height right over the middle or middle down (or approximately) of the pre-container, and facing the front and back sides of the pre-container or container;

The device is preferably fixed under the sealing and cutting jaws (1) in front of the following pre-container, and at the middle or the middle down the front or back side of the following pre-container (located under the sealing and cutting jaws (1)), and secured transversely by the same at the top of the pre-container: intended to

- move the pre-container or container with a pendular (or linear) movement to the left and/or right and in a rotation degree between 1° and 90° (or approximately), with 45° being the most optimal but that, in any case, depending on the dimensions, volumetry and the quantity of fluid packed inside (more fluid, less swivel or rotation degrees); in such a way that, when turning, pressure will be exerted by impacting into the pre-container {the bottom part of the sealing and cutting jaws} with {the part from the middle up, apex or area of a forth up from the top (or approximately) towards where the pre-container is directed with the pendulum movement; producing a local inflation area in the area of a forth up from the top (or approximately) of the pre-container that has not been impacted by the sealing and cutting jaws (1); obtaining:
- at least one support side or additional transitional side in the area of the pre-container with which the sealing and cutting jaws impact (1) and,
- a flap with an inflated conical configuration, without folds, in the {apex area or quarter area (or approximately) of the top part of the pre-container} opposite {to the other part of a quarter from the top of the pre-container that has been impacted by the sealing and cutting jaws (1).

Pressing Platform or Pressing Drawer Device

This device will be located right under the following pre-container that is found under the sealing and cutting jaws of the vertical packaging machine.

- It consists of a support base (adjustable), preferably with a drawer, where the part from the middle down (or approximately) of the following pre-container will be inserted inside the pressing drawer or will rest on the pressing platform: intended to press the following pre-container that is located between the pressing platform and the surface under the sealing and cutting jaws, upwards: obtaining
  - a following pre-container that has been crushed and widened from three fifths to the top (or approximately), to facilitate the generation of wider plus flaps in relation to the side or lateral side of the pre-container, and the pre-container will acquire a cubic shape from the middle up (or approximately).
- The pressing platform or drawer will be moved upwards, by means of a mechanical mode such as a linear cylinder actuator arranged in a vertical position (from the bottom up) and fixed to a support, where the underside of the pressing platform or drawer is fixed to the actuator's rod: intended to push the following pre-container upwards, until it is crushed against the underside of the sealing and cutting jaws (1).

Ramming Device Immobilizer of the Support Side of the Previous Pre-Container

This device will be located under the forming tube and/or preferably inside and under the whole forming tube.

The device comprises the following elements:

- an impact body by means of a rammer mode, preferably flat and of the same geometrical shape as that of the support side that acts as a base, preferably square or circular, but that in any case, this impact body will be defined by a perimeter structure (preferably quadrangular or circular), as a chassis, which is hollow in the area right under (or approximately) the forming tube, to allow the product to be packed to fall down the forming tube into the previous pre-container, without any part of the rammer intervening.

The rammer may be smaller or narrower on at least one of its sides (or the perimeter outline) so as to free up space in the area between the outer perimeter of the previous pre-container support side and the lateral sides or the outer perimeter of the rammer, so as to allow the plus impact bodies, when operated, to fold at least part of the bottom area of the wrapper of at least one side or lateral side: over at least part of at least one side or outermost area of the wrapper of the supporting side, thus generating at least one plus flap, and

- a drive mode by mechanical means such as a linear actuator or pneumatic or electric linear cylinder, on whose rod is fixed to the rammer at at least one point.

This device is intended to ram and immobilize with the impact body rammer: the support side or face that acts as a base of the previous pre-container, blocking the wrapper which is between the rammer (located on top) and the surface (preferably flat) of the top part of the sealing and cutting jaws, located under the wrapper.

The procedure for the ramming device is the following:

A first step, in which the wrapper, that wraps the forming tube, advances until it surpasses the sealing and cutting jaws; then, it is closed by trapping and holding the wrapper and, at the same time, optionally, the English fold flaps and/or the flat English fold flaps can be generated or not.

A second step, where the rammer impact body is operated, which is fixed inside the forming tube and is therefore also located inside the following pre-container (the wrapper in an initial three-dimensional geometric body shape that is between the sealing and cutting jaws and the forming tube): thus blocking and immobilizing part of the base side so that the pre-container does not move, shift or lift, thus making it easier to optimally generate the plus flaps at a later date.

A third step, in which at least one plus impact body is operated from on top and/or under the sealing and cutting jaws, where there is also a pre-container secured and trapped by the sealing and cutting jaws: obtaining

- at least one plus flap, because at least part of at least one side or face of the lower part of the previous pre-container wrapper has been folded: in at least part of the contour or perimeter area and/or the area contiguous to the perimeter (or outer or borderline area) of the inner side of the supporting side, thus generating at least one plus flap.

A third step, in which once one or more of the plus flaps have been generated, the rammer impact body returns to the initial standing position and,

- the sealing and cutting jaws, seals and cuts or just cuts (since it has been previously sealed once the sealing and cutting jaws were closed):
- the lower part of the previous pre-container and
- the lower part of the following pre-container.

The sealing and cutting jaws are then opened and the processing cycle for the flexible 3D plus containers begins again.

Extendable and Retractable Forming Tube Device

This device has two forming tube sections (preferably square or cylindrical), one of which is underneath the other, this being the one that is mobile, driven by means of a mechanical mode such as: that of at least one linear cylinder, which is fixed to the inner side of the forming tube at the top, which is stationary and fixed to the vertical machine.

The mobile forming tube will extend or move downwards: a distance or length less than the gap between the lowest part of the mobile forming tube itself and the radius of action of the impact bodies ( ) of the invention that generate the plus flaps; in such a way that it will allow these impact bodies to rotate completely until they reach the sealing and cutting jaws (1) without the mobile forming tube blocking their passage. Likewise, when the plus impact body ( ) is completely rotated, the wrapper must be able to move downwards to form the fold of the plus flap generated, so that the wrapper that is on top of the sealing and cutting jaws (1), which is in the closed position: must be loose so as to allow the plus impact bodies of the invention to move completely without tearing the wrapper, and finally be able to generate from the plus flaps, as it can be inserted into the said gap by folding part of the side wrapper over another part of the wrapper on the flat support side (or side acting as a base) of the bottom part of the previous pre-container.

The mobile forming tube, is therefore intended to facilitate, on the one hand, that the wrapper of the previous pre-container is widened from the bottom and, on the other hand, that the wrapper is kept taut or stretched to prevent folds from forming, facilitating the optimal folding of the wrapper when the plus flap is generated.

The procedure is the following:

Once the wrapper of the previous pre-container is secured and blocked by the sealing and cutting jaws (1) and preferably before the previous pre-container is filled with the product to be packaged and the plus flaps are generated:

- the mobile forming tube, will be moved downwards and parallel to the fixed tube, by means of a linear cylinder which is fixed to the inner side of the forming tube and to which the mobile forming tube is fixed on its rod,
- then, at least one of the sealing and cutting jaws (1) is operated, driven by the rotary actuator, generating a plus flap. This plus flap is also sealed immediately afterwards,
- next, immediately afterwards, the impact body plus flap and the mobile forming tube returns to the initial starting point and,
- finally, the inside of the previous pre-container is filled with the contents to be packed, that fall from a multi-head dosing or weighing machine located on top of the two forming tubes ( ).

Next, the following processes of the transformation process of the 3D plus system of the invention will be given.

A third object of the invention, is that of a vertical packaging machine for pre-containers or flexible containers (in film on a roll or, for example, laminates, in tube or semi-tube) with more different applications that add to the characteristics of the vertical machine itself or, likewise, that of perfecting or improving a vertical packaging machine that produces (forming a three-dimensional shape, filling and sealing) pre-containers or flexible containers (in film on a roll or, for example, laminates or in tube or semi-tube). These machines make or produce flexible containers or pre-containers, for example, English fold, stable bottom, pad, English fold and pad, stable bottom or pad or stand up.

The pre-container, is the flexible container that still remains in the vertical packaging machine, being processed and/or transformed not yet being an individual container unit as it has not been completely closed or tightly sealed, as well as not having been sealed or cut at least one of its sides. There are two types of pre-containers:

A—The previous pre-container is part of the wrapper, film, sheet, tube or semi-tube that is of a three-dimensional tubular geometric shape, as well as remaining open in the vertical packaging machine on at least one side. It is located between the forming tube and between the sealing and/or cutting jaws in the closed position, which has not yet acquired the final intended geometrical shape, and the pre-container may or may not contain the product to be packaged inside.

B—The following pre-container or post-container is part of the wrapper, film, sheet, tube or semi-tube that is of an unfinished geometric body shape, or finished, that remains closed in the vertical (horizontal or, for example, inclined or diagonal) packaging machine, and is located right under the sealing and cutting jaws that hold it in place when operated in the closed position. It has not been cut yet, so it is not a single packaging unit. The post-container may or may not contain the product to be packaged inside.

The container, is the one that has been cut and is not part of the wrapper since this is an individual flexible packaging unit, which has acquired the intended geometric body shape.

There are two types of containers:

A—The container sealed on all sides and closed in its entirety.

B—The container open on at least one of its sides or closed in its entirety: intended to be an empty container that will be taken to the production plants to be filled with the product to be packaged and sealed tightly.

Next, different machines of the invention are exposed depending on the type of forming tube and of the model of the final container that is intended to be obtained: Vertical packaging machine for flexible containers of, for example, the English fold, stable bottom or Pad type, consisting mainly of a forming tube (e.g., of a square or cylindrical shape), of at least one set of sealing and cutting jaws, of a device of at least one impact body to generate (at least one plus flap of the invention and/or at least one triangular body flap) and/or burr plus flap, as well as of at least one heat source for sealing.

The invention involves a refinement and improvement of these vertical (or, for example, horizontal or diagonally inclined) packaging machines for flexible containers which contain at least one fluid and, optionally or additionally, may contain, for example, solids or/and (granules or/and powders), Therefore, the invention is applicable as a device or devices to install and couple to vertical (or, for example, in horizontal or diagonal) machines already existing in the market, which can be new (in-plant manufacturing) or also vertical machines that are already operating in production plants; in both cases these machines comprise:

- means of generating container bodies, such as a square or cylindrical forming tube, and
- a method of filling the contents to be packaged into the container, such as a dosing weighing machine, and
- at least one jaw device or set of two parallel jaws with which flexible containers are transversely and horizontally (top and bottom) sealed and cut, and
- optionally or additionally, a sealing mode intended to seal lengthwise, at least once, the wrapper or sheet that wraps the forming tube by adopting its shape, and
- optionally or additionally, means of generating at least one English fold type flap of a triangular configuration;
  
  where the machine is characterized because it has:
- at least one 3D plus device of the invention, intended to hit, by means of an impact body mode, at least part of at least one side or lateral side or edge, or area contiguous to the edge, or also area of a apex or area of two sides or contiguous sides of the container or pre-container: generating a flap ( ), triangular body flap ( ), plus flap, burr plus flap ( ) or cut triangular body flap. The plus impact body must be fixed, for example, to the sealing and cutting jaws, to a support fixed to the machine or to at least one component or part of the machine, and must be arranged so that the rod or the impact body reaches the side or lateral side of the pre-container, and
- at least one sealing system {one for each plus flap ( ), burr plus flap, triangular body flap ( ) or triangular body flap in the form of a strip (23) longitudinal to the middle of the flap}, by means of a heat source such as a resistance, laser or ultrasound; arranged close to the top or bottom of the side or lateral side, as for example, more optimally, is attached to the same impact body, that generates the plus flap or triangular body flap, as well as may be attached to the sealing and cutting jaws. Likewise, it can also be fixed to the surface or side, preferably flat on the top and/or bottom of the sealing and cutting jaws: intended to
  - seal at least once with at least one sealing line at least part of at least one side of at least one English fold plus flap, stable bottom plus flap, burr plus flap, triangular body flap or strip flap, defined in the previous step; obtaining:
  - at least one sealing line that will permanently keep at least one of the support sides or additional side, or the area limited by a support contour or additional side, stable as well as permanently keeping the English fold plus flap, stable bottom plus flap, English fold burr plus flap, flap plus stable bottom burr plus flap or triangular body flap, stable.

Optionally, the vertical packaging machine for flexible containers can also have the following elements, devices, procedures or processes:

1.—a device designed to provide a sealed burr around the entire perimeter of at least one of the lateral sides of the so-called stable-bottomed containers, located on the sides of the forming tube, preferably square; in which, first, by a means such as a mechanical method, at least one edge fold will be generated on at least one lateral side of the pre-container or container and, second, at least one sealing system, by means of a heat source such as a resistor or by ultrasound, to seal at least part of the edge or area of the edge generated.

2.—A device intended to widen and stretch the wrapper of the pre-container lengthways (forward and backward) or/and widthwise (towards the sides) of the area, nearby area or area further up from where the English fold plus flap, stable bottom plus flap, burr plus flap, triangular body flap, triangular body flap folded or bent over itself, burr flap, triangular body flap cut and sealed in a strip are later generated.

The devices are the following, without claiming to be restrictive as to the scope of protection of the invention:

- 2.1 at least one system of rods or frame as a tensioner (may be extendable and/or telescopic), which are fixed to the inner side of the forming tube remaining inside the wrapper and of the previous pre-container, which is secured on the sealing and cutting jaws, and which has not yet been sealed or cut by the upper part of the pre-container, by means of a cutting mode.
- 2.2 At least one system of suction cups to stretch the wrapper from the outside, with or without air suction, or also by means of air directed into the previous pre-container (e.g. from the inside of the forming tube by means of at least one air tube (hinged or not) connected to an air pump; in such a way that it will produce an effect, in the area or in the pre-container, of three-dimensional inflation and pre-forming of the intended geometrical shape.

This device is to be arranged or located at the height (or approximately) of the pre-package: it is intended to facilitate, on the one hand, the formation of the geometrical shape of the container or pre-container in the optimum dimensions (especially in a pad type container) and, on the other hand, to prevent the formation of folds in the area where the plus flaps of the invention are to be generated.

3.—The vertical (or, for example, horizontal) packaging machines that produce flexible pad type containers or also hybrid flexible containers, English type from the middle down and pad type from the middle up, there will be a device to fold or bend at least once at least part of a triangular body flap (or strip) over at least part of another part of it. The procedure involves the following steps:

- a first step, optional and before the flap, triangular body ( ) or strip ( ) [the strip is generated by sealing and cutting at least part of at least two segments of the flap or triangular body on the left and right side] is folded or bent over itself. The following will be done:
  - at least part of at least one side of at least one sealing line ( ) through at least one side of the triangular body flap ( ) or strip ( ), in such a way that it will subsequently facilitate the folding or bending of the triangular body flap ( ) or strip ( ) by at least any one of the sealing lines ( ) which have been intended to be made and,
- a second step, once the flap or triangular body ( ) or strip ( ) has been folded or bent at least once over itself:
  - seal at least once on at least one side of at least part of the edge and/or contiguous area to the edge that has been generated by folding or bending the flap, triangular body flap or strip at least once over itself, in such a way that it will cause the flap, triangular body flap ( ) or strip ( ) to be permanently held in place folded or bent at least once over itself.

4.—Any other device, procedure, process or, likewise, different ways of manipulating the flap, triangular body or edge of the 3D plus system, reflected and protected in four patents of Invention prior to this Description of the Invention Report; they are the following: PCT/ES2012/000261—WO201303903; PCT/ES2014/000041—WO2014140464; PCT/ES2015/000131—WO2016042176A1; PCT/ES2015/000174—WO2016087690A1; PCT/ES2016/000085—WO2017021570A1.

A forth object of the invention, the different and unique types of flaps generated on the pre-containers or containers; these are the following:

- English fold plus flap, it has a triangular trapezoid shape, and is generated in the area or contiguous area (on top or/and under) or/and (to the left or/and right) of the lateral face or side of the pre-container or container in which, previously, an English fold vertical flap has been generated, this is of a triangular configuration shape arranged in a sloping plane (or curvilinear sloping) position.

Subsequently, this English fold plus flap is preferably sealed at least once on at least one side of at least one sealing line, by means of a heat source such as a resistor.

Also, optionally, the flap may be adhered by means of a method such as contact glue or by means of grippers).

- flat English fold plus flap, it has a rectangular trapezoid shape, and is generated in the area or contiguous area of (on top or/and under) or/and (to the left or/and right) of the lateral face or side of the pre-container or container, preferably on the lateral side of the bottom. This English fold plus flap is made on English fold type pre-containers or containers or also those that are English fold from the middle down and pad from the middle up. In any case, this flap is generated in an area on the lateral side or nearby area, preferably in the lowest part of the pre-container or container, where the English fold has been previously generated and also, at the same time, a folded flap with a triangular configuration has been generated in a horizontally oriented plane, in which the flap, starting from the outermost side, is inserted into the pre-container or container, right on top of the lower end of the side that acts as a support side. Subsequently, this flat English fold plus flap is sealed on at least part of at least one side of at least one sealing line.

Also, optionally, the flap may be adhered by means of a method such as contact glue or by means of grippers).

- stable bottom plus flap, this flap and sealing line is generated in the same way and in the same area as the flap and sealing line generated in the English fold plus flap. The only thing that changes is that, previously, it has been generated longitudinally in at least part of the wrapper of at least one of the four edges and/or contiguous zones to the same, defined by the forming tube:
- at least one fold of at least part of the adjoining wrapper of two contiguous sides forming an edge, by means of a mechanical folding method, and
- at least part of at least one side of at least one sealing line in the fold, by means of a heat source such as a resistor.

The fold and the seal sealing line will be carried out at the same time, continuously and simultaneously, as the wrapper advances down the forming tube, in this case, quadrangular.

Therefore, when the stable bottom plus flap and its corresponding sealing line are generated, it is going to be done (both at the top and at the bottom of the container) on this fold and vertical edge sealing line that partially or perimetrically borders the lateral side, and this I will call lateral side vertical edge flap: obtaining

a side that makes a wider and more square base, as well as produces a greater consistency, rigidity and stability of the pre-container or container. This fold and sealing line of this lateral side vertical edge when the English fold flap is generated: will be arranged in a curved position, but then it turns into a vertical or vertical inclined inwards position.

- flat stable bottom plus flap, this flap and the corresponding sealing line is generated in the same way and in the same area as the flap and sealing line generated in the flat English fold plus flap. The only thing that changes is, that at least one vertical edge flap has also been generated on the lateral side.

This lateral side vertical edge flap is preferably made on the entire two vertical edges of the lateral side that wraps the forming tube of the vertical machine so that when the container or pre-container is closed or sealed on top and underneath: a vertical edge flap is obtained on the entire perimeter of the lateral side; so that, when the flat English fold plus flap is generated, in the area of the pre-container or container where it is widened and the English fold is generated horizontally: the fold and sealing line of this lateral side vertical edge will also be in a horizontal position, but will then turn into a vertical or vertical inclined inwards position.

Therefore, when the flat stable bottom plus flap and its corresponding sealing line are generated: this will be made (in the upper part or/and in the lower part of the container) on this fold and vertical edge sealing line arranged in at least part or all of the lateral side perimeter, as well as on the triangular shaped flap arranged inside the container, which is optionally generated when making the English fold: obtaining a side that makes a wider and more square base.

- English fold burr plus flap, it is of a rectangular trapezoid shape, and it is made on at least one edge or area contiguous to it generated (on the front side or/and the back side) or/and (on top or/and under) the pre-container or container but which, in turn, has also been generated on the sides or lateral sides of the container or pre-container and on top or/and under: at least one flat or inclined English fold plus flap.

The burr flaps of the lower and upper front and back side of the pre-container or container make the container or pre-container more stable and consistent. Also, the burrs on the top side can be in turn sealing lines, which can be removed by pulling on at least part of the wrapper from the side containing the English fold burr plus flaps.

This burr flap is generated in two steps, first, the area or contiguous area on the upper and lower side of the edge is crushed or joined: generating a fold and, second, at least one side of at least part of at least one sealing line is sealed by a heat source such as a resistor.

Also, this flap can be generated after or before the flaps on the side of the pre-container or container are generated.

- stable bottom burr plus flap, this flap and sealing line is generated in the same way and in the same place and area as the one generated in the English fold burr plus flap.

The only thing that changes is that a vertical edge flap has also been generated on at least one of the lateral sides of the pre-container or stable bottom type container.

- burr flap, this flap and sealing line is generated in the same way and in the same place and area as the one generated in the English fold burr plus flap. The only thing that changes is that it is generated in a pre-container or pad type container, or half pad type and half English fold or stable bottom, so it will be generated next to the lateral side where a triangular body flap, manipulated triangular body flap, or a flap folded over a triangular body is generated. Likewise, a triangular body can also be considered as a burr flap with its corresponding sealing line: if it is made, for example, in the middle of the edge or the front or back side of the top or/and bottom of the pre-container or container, since this is not made by mounting on top or on at least part of the flap or the fold of the: English fold flap, flat English fold plus flap and a flap on a English fold bottom.
- flap, it is not of a triangular shape, and preferably it is of a trapezoid shape because it has been cut and sealed, for example, from a triangular flap.

The resulting flap will preferably be sealed. The flap can also be adhered by means of a method such as contact glue or by means of grippers.

- triangular body flap, it is of a triangular shape and is generated, by means of an impact body, when this hits on the side or lateral side (left or/and right) or/and (on top or/and bottom) of a pre-container or container, for example, of a pad type or also mixed: half English fold or stable bottom type and the other half pad.

Optionally, at least part of at least one side can be sealed by at least one sealing line of the triangular body flap, preferably at the intersection of the flap and the rest of the body of the container or pre-container.

- manipulated triangular body flap, it is the same as the triangular body flap, being sealed or not, but, in this case, it will be manipulated, by means of a 3D or 3D plus compack mode, being able to choose in a random and combined and/or repetitive way from at least one or more of any of the following options:

[Not Intended to be Limiting as to the Scope of Protection of the Invention] fold and adhere the flap by means of a way such as contact glue or by means of grippers; seal only; fold and seal; seal, fold and seal; seal and glue; seal, fold and glue; seal and cut; seal, cut and glue; cut, seal and glue; fold or fold on itself and glue; seal, fold or fold over itself and glue; fold or fold over itself and seal; seal, fold or fold over itself and seal; seal, fold or fold on itself, seal and cut; fold or fold on itself, seal and cut; fold or fold on itself, seal and glue; seal, fold or fold on itself, seal and glue; seal and cut, fold or fold on itself; seal and cut, fold or fold on itself and glue; seal and cut, fold or fold on itself and seal.

- triangular body flap folded over itself, it is a manipulated triangular body flap that is generated, in a preferential way, by folding or bending at least once at least part of this triangular body flap (sealed or not previously) over at least part of another part of it.

A fifth object of the invention, are the different and unique sealing lines applied to the different types of flaps of the invention generated from a flexible container (sealed on all its sides, as well as closed in its entirety by all of the external contour) or flexible pre-container (it has not been sealed in its entirety and still remains in the vertical packaging machine as part of the wrapper that goes down the forming tube, as well as it has almost completely acquired the intended geometric body shape but still remains open at the top, so as to subsequently be filled inside with the product to be contained).

They are applied right after the impact body upon impact generates at least one flap on at least one side or lateral side of the top and bottom part of the container or pre-container, e.g.

English fold or stable bottom type.

Different sealing lines can be distinguished:

English Fold Plus Flap Sealing Line (25a)

This is done on top and/or under a plus flap generated on the English fold, which is positioned vertically (or, e.g., inclined, curved or diagonally) and not in a horizontal plane, since the pre-container or container does not rest or sit on the flat surface of the side on top of and under the sealing and/or cutting jaws: obtaining, a permanent English plus flap, which is either rectangular-triangular or rectangular in shape, depending on the verticality or inclination of how the English plus flap is located prior to generating the English plus flap, as well as the side or lateral side area of this plus sealing line, an oval-triangular cavity or hole is formed.

Flat English Fold Plus Flap Sealing Line (25b)

This is done on top and/or under a plus flap generated on the English fold, which is positioned horizontally, because the pre-container or container rests or sits on the flat surface of the upper and lower side of the sealing and/or cutting jaws: obtaining a permanent English fold plus flap, which is of a rectangular shape, as the area of the side or lateral side contiguous to this flat English plus fold sealing line, is of a flat shape arranged vertically.

Stable Bottom Plus Flap Sealing Line (25c)

It is made in the same way and produces the same effect as the one made in the English fold plus flap sealing line but, in this case, this sealing line can also be mounted on top (if it is made on the top side or on the inside one) and arranged below (if made on the bottom side or on the outside one) of the lateral side vertical edge flap previously generated on at least one lateral side of the pre-container or container.

Flat Stable Bottom Plus Flap Sealing Line (25d)

It is made in the same way and produces the same effect as the one made in the flat English fold plus flap sealing line, but, in this case, this sealing line can also be mounted on top (if it is made on the top side or on the inside one) and arranged below (if made on the bottom side or on the outside one) of the lateral side vertical edge flap previously generated on at least one lateral side of the pre-container or container.

English Fold Burr Plus Flap Sealing Line (26a)

It is made on the edge (or/and contiguous area to it) of the bottom (or support) side or/and top of the front or back side of the pre-container or container, in which this edge is more optimal when it is previously arranged with the sides or contiguous sides at right angles, because it has been generated when the lower part of the pre-container or container was sitting horizontally: on the sealing and/or cutting jaws.

Also, this plus sealing line will be made on at least part of the English fold flap, as well as sealed at least once by at least one plus sealing line: the entirety of this edge or English fold burr plus flap that has been previously generated.

Stable Bottom Burr Plus Flap Sealing Line (26b)

It is made in the same way and produces the same effect as the one made in the English fold burr plus flap sealing line but, in this case, this sealing line will in turn be mounted on top (if it is made on the top side or on the inside one) and arranged below (if made on the bottom side or on the outside one) of the lateral side vertical edge flap previously generated on at least one lateral side of the pre-container or container.

The sealing of the different types of sealing lines is done by means of a heat source mode such as resistance or ultrasound, as well as the sealing of: at least part of at least one side of at least one sealing line of any one of the plus flaps, burr flaps, triangular flaps or manipulated triangular flaps.

These sealing lines can be made in different ways, the most significant being those described below but which, in any case, are not intended to be restrictive as regards the scope of protection of the invention:

- on at least part or all of the area of intersection of the plus flap and the remainder of the container or pre-container, or
- on at least one part of the flap with at least one sealing line perpendicular to the plus flap or lateral side, apex or the area contiguous to this o, for example, making
- at least one sealing line in the apex forming the top and lateral sides of the plus flap, so that at least part of two contiguous faces are sealed, or this sealing line carried out in the apex and in turn at least part of a sealing line in the area of intersection of the plus flap and the container; or, for example,
- on at least part of at least one side of the plus (English fold and/or burr) flap of at least one sealing line in the form of a circle, a square or in diagonal.

In order for these sealing lines to be carried out, the following two steps must first be taken:

- a first step, in which the English fold flap is generated [two folds of a triangular configuration parallel in the direction of the inside of the container and which can be arranged in a horizontal plane or in an inclined plane depending on the shape of the container or pre-container or if the latter, for example, is of the English fold or of a stable bottom type in the upper and/or lower part of the pre-container or container: obtaining an inflation effect in which the pre-container or container acquires a three-dimensional rectangular prism or a parallelepiped geometric body shape and,
- a second step, of impacting by means of an impact body in/between/on at least part of at least one side face or lateral side, or, the contiguous area/area around/area of the contiguous side face/intersection area of the lateral side (optionally, at least part of at least one contiguous side can also be added): containing the English type flap or English fold.

It is optimized the most when the sealing is carried out, preferably, in the intersection area of the generated flap and the rest of the pre-container's (the one that has not yet been tightly sealed) or container's (a completely sealed individual unit) body.

This sealing line, of the invention of the English fold plus flap, flat English fold plus flap, stable bottom plus flap and flat stable bottom plus flap, English fold burr plus flap and stable bottom burr plus flap, gives the container or pre container a greater stability, consistency and rigidity, due to the following three reasons:

- when the trapezoid—triangular or trapezoid—rectangular flap is generated, it makes the container or pre-container widen even more, and it also makes the lower side, that serves as a support base, more square.
- by sealing, preferably, in the intersection area of the generated flap and the rest of the container body, it makes this area of the wrapper harden because of the thermoplastic reaction due to the effect of the heat.
- by making the sealing line in the middle of the lower side, the one that acts as a base {generated by making the English fold, this being the sealing line that materializes when the pre-container is tightly sealed on the lower side, and which is now located in the middle of the lower side that acts as a base}: it remains permanently attached to the rest of the container without protruding outwards, so that a completely flat side is permanently obtained, as well as it being innocuous since, in some cases, contact glue is used to produce the same effect by gluing the top part of the wrapper which is folded into a sheet to one side.

A sixth object of the invention, is a container obtainable, in accordance with the methods proposed above, as well as the preferential realizations of such methods of container processing, comprising a first stage of pressing to define the flap and, subsequently, optionally, at least another manipulation stage of at least one flap of at least one container or at least one pre-container, in which one is to choose, for example, a random and combined and/or repetitive manipulation mode from among at least one or more of any of the following options:

fold and adhere the flap using a method such as contact glue or by using grippers; seal only; fold and seal; seal, fold and seal; seal and glue; seal, fold and glue; seal and cut; seal, cut and glue; cut, seal and glue; fold or fold over itself and glue; seal, fold or fold over itself and glue; seal, fold or fold over itself and seal; seal, fold or fold over itself, seal and cut; fold or fold over itself, seal and cut; fold or fold over itself, seal and glue; seal, fold or fold over itself, seal and glue; seal and cut, fold or fold over itself and glue; seal and cut, fold or fold over itself and seal.

All of the containers of the invention may contain at least one fluid and, optionally or additionally, may also contain, for example, at least one solid or solids, granules or powders. For example: [(air or/and gas) or/and (liquid or/and paste)] or/and [(solid/solids or/and granules) or/and powders)].

The invention is applicable to either containers or pre-containers, closed or sealed in their entirety along the entire contour, lateral side or perimeter area, as well as to containers or pre-containers open or not sealed in their entirety along the entire contour, lateral side or perimeter area.

Once the container of the invention has been manufactured and the product to be packed is inside it, optionally, it is also possible to extract gaseous fluid (air or/and gas) before being closed or/and sealed in its entirety, in order to obtain a container that will take up less space.

According to the preferential object of the invention, the containers of the invention have the common denominator of containing:

- [at least one English fold plus flap or/and at least one flat English fold plus flap. These are made in the area or contiguous area of the lower or/and higher part and to the left or/and right: of the side/lateral side or edge of the pre-container or container on the left and right side of the container] or/and
- [at least one stable bottom plus flap/and at least one flat stable bottom plus flap. These are made in the area or contiguous area of the lower or/and higher part and to the left or/and right of the side/lateral side or edge of the pre-container or container] or/and
- [at least one English fold burr plus flap or English fold burr plus flap. These are made in the area or contiguous area of the lower or/and higher part and to the left or/and right: of the side/lateral side or edge of the pre-container or container].

The containers are of many different shapes, and of different uses or characteristics, depending on the following factors: [Not being restrictive as to the scope of the invention]

1) Type of pre-container, following pre-container or container from which we start to transform, by means of the 3D plus system or/and 3D compack, as for example: the pad type, pillow pack, stand up, English type or English fold, stable bottom type or, likewise, mixed containers in which half or part is English fold or stable bottom and the another half or part is pad. Or also, any of the above described to which, previously or subsequently, at least part of at least one lateral side or lateral face has been sealed and cut.

2) The number of flaps generated, that determine the three-dimensional geometric shape of the container, previous pre-container or following pre-container; the most representative are: the rhomboid pyramid (one flap is generated), the cylinder (four convex flaps are generated), the inverted trapezoid (two flaps are generated), the rectangular trapezoid (cube container, rectangular prism and parallelepiped with a dosing neck in which three flaps are generated), the cube, rectangular and parallelepiped prism (in all three, 4 flaps are generated), the irregular polyhedrons (any of the above containers whose shape is altered by means of at least one cut and/or sealing of at least one side of the container or pre-container), the modified geometric bodies (any of the abovementioned containers or pre-containers), which, once at least one of the flaps has been generated, are modified into irregular shapes by making at least one sealing line in different inclination planes, and not in a straight line or in a horizontal or vertical plane, such as curved or semi-circular lines or in an inclined or diagonal plane.

3) The number or/and/type of flap(s) generated (randomly and in combination) on a container or pre-container, such as the English fold flap, flat English fold flap, stable bottom flap, flat stable bottom flap, triangular body flap, manipulated triangular body flap, triangular body flap folded over itself, vertical edge flap, burr flap or, for example, any of the plus flaps described above.

It is another additional object of the invention, that any one of the containers of the invention of this Description report, as well as of the previous ones, at least one of its sides, especially those of a cubic form, rectangular prism or parallelepiped, may generate at least one opening and closing lid by from where the product packed inside can be accessed and served, preferably, the side from the top or the front or the back of the container. The lid can be generated:

- either by folding {at least part of at least one edge or area contiguous to the edge of at least one side of the container or pre-container} and sealing {at least once at least one side of at least one sealing line by means of a heat source such as a resistor}: obtaining, a burr plus flap (English fold burr plus flap or stable bottom burr plus flap) that, when pulled, detaches, creating an opening or lid through which to serve or access the packaged contents inside the container;
- or, by means of delimiting or tracing {in an area of at least one side, edge or area contiguous to the edge of at least one side or face of the container, or also at the level of the entire perimeter, for example, at the same height below the flaps generated on the top of the container}:
- at least one laser pre-cut (easy-to-open) line of about 7 microns (or approximately) made (by the wear or roughing technique) on at least one layer of the wrapper or, for example, plastic sheet; and on which this can be delineated by a pre-cut, for example: of a square, rectangle or circle.

Next, also object of the invention, the most representative and relevant flexible packaging of the invention are described, which are not intended to be restrictive as to the scope of protection of the invention.

A) Any of the flexible 3D plus containers or of the invention, characterized because it has at least one English fold plus flap, as well as at least part of at least one side towards at least one direction of at least one sealing line on the English fold plus flap.

B) Any of the flexible 3D plus containers or of the invention, characterized because it has at least one flat English fold plus flap, as well as at least part of at least one side towards at least one direction of at least one sealing line on the flat English fold plus flap.

C) Any of the flexible 3D plus containers or of the invention, characterized because it has at least one stable bottom plus flap, as well as at least part of at least one side towards at least one direction and on a plane or on an inclined plane: of at least one sealing line on the stable bottom plus flap.

D) Any of the flexible 3D plus containers or of the invention, characterized because it has at least one flat stable bottom plus flap, as well as at least part of at least one side towards at least one direction and on a horizontal plane or on an inclined plane: of at least one sealing line on the stable bottom plus flap.

E) Any of the flexible 3D plus containers or of the invention, characterized because it has at least one English fold plus flap, and

- at least part of at least one side in at least one direction and on a plane or on an inclined plane of at least one sealing line in the English fold plus flap; just as
- at least part of at least one triangular body flap folded or bent over itself at least once over at least part of another part of it, and
- at least part of at least one side towards at least one direction and on a plane or on an inclined plane: of at least one sealing line on at least part of at least one side of the triangular body's folded flap.

F) Any of the flexible 3D plus containers or of the invention, characterized because it has at least one flat English fold plus flap, and

- at least part of at least one side in at least one direction and on a plane or on an inclined plane of at least one sealing line in the English fold plus flap; just as
- at least part of at least one triangular body flap folded or bent over itself at least once over at least part of another part of it, and
- at least part of at least one side towards at least one direction and on a plane or on an inclined plane: of at least one sealing line on at least part of at least one side of the triangular body's folded flap.

G) Any of the flexible 3D plus containers or of the invention, characterized because it has at least one stable bottom plus flap, and

- at least part of at least one side in at least one direction and on a plane or on an inclined plane of at least one sealing line in the English fold plus flap; just as
- at least part of at least one triangular body flap folded or bent over itself at least once over at least part of another part of it, and
- at least part of at least one side towards at least one direction and on a plane or on an inclined plane: of at least one sealing line on at least part of at least one side of the triangular body's folded flap.

H) Any of the flexible 3D plus containers or of the invention, characterized because it has at least one flat stable bottom plus flap, y

- at least part of at least one side in at least one direction and on a plane or on an inclined plane of at least one sealing line in the English fold plus flap; just as
- at least part of at least one triangular body flap folded or bent over itself at least once over at least part of another part of it, and
- at least part of at least one side towards at least one direction and on a plane or on an inclined plane: of at least one sealing line on at least part of at least one side of the triangular body's folded flap.

I) Any of the flexible 3D plus containers or of the invention, characterized because it has at least one English fold plus flap, as well as at least part of at least one side in at least one direction of at least one sealing line in the English fold plus flap; and

- at least one English fold burr plus flap or/and at least part of at least one burr flap made in the middle of the side or edge; and at least part of at least one side of at least one sealing line, by means of a heat source such as a resistor.

J) Any of the flexible 3D plus containers or of the invention, characterized because it has at least one flat English fold plus flap, as well as at least part of at least one side in at least one direction of at least one sealing line in the flat English fold plus flap; and

- at least one English fold burr plus flap or at least part of at least one burr flap made in the middle of the side or edge; just as at least part of at least one side of at least one sealing line of the English fold burr plus flap, by means of a heat source such as a resistor.

K) Any of the flexible 3D plus containers or of the invention, characterized because it has at least one stable bottom plus flap, as well as at least part of at least one side in at least one direction of at least one sealing line in the stable bottom plus flap; and

- at least one stable bottom burr plus flap or at least part of at least one burr flap made in the middle of the side or edge; and at least part of at least one side of at least one sealing line, by means of a heat source such as a resistor.

L) Any of the flexible 3D plus containers or of the invention, according to the flexible container of the letter E characterized because it additionally comprises at least one burr flap, as well as at least part of at least one side of at least one sealing line, by means of a heat source such as a resistor.

M) Any of the flexible 3D plus containers or of the invention, according to the flexible container of the letter F characterized because it additionally comprises at least one burr flap, as well as at least part of at least one side of at least one sealing line, by means of a heat source such as a resistor.

N) Any of the flexible 3D plus containers or of the invention, according to the flexible container of the letter G characterized because it additionally comprises at least one burr flap, as well as at least part of at least one side of at least one sealing line, by means of a heat source such as a resistor.

O) Any of the flexible 3D plus containers or of the invention, characterized by having at least one pre-cut line in at least part of a layer of the wrapper (approximately 7 microns) or in at least one side of the container, made by means of a laser sealing device or system mode.

P) Flexible container of the invention, that has a cubic, rectangular or parallelepiped prism shape (or also cubic, rectangular or parallelepiped prism but with at least one of its faces, edges or sides not parallel, perpendicular or in a horizontal plane, but rather the opposite: not parallel, oblique, diagonal and in inclined planes, characterized by having at least one pre-cut line in at least part of a layer of the wrapper (approximately 7 microns) or in at least one side of the container, made by means of a laser sealing device or system mode.

Q) Flexible container of the invention that has a cylindrical shape, characterized by having at least one pre-cut line in at least part of a layer of the wrapper (approximately 7 microns) or in at least one side of the container, made by means of a laser sealing device or system mode.

Next, also object of the invention are the following flexible containers, which are the most unique and representative of this Description report, without claiming to be restrictive in terms of the scope of protection of the invention.

1a) English fold type flexible container, with no defined flat English fold flap both on the left and right and on the bottom and top, also, the container can be closed or open on at least one of the sides so that the product to be packaged can subsequently be filled on the production lines, characterized because it has two plus flaps [(one English fold plus flap on the left and one on the right) from the bottom or top of the lateral side of the pre-container or container], as well as at least part of at least one side towards at least one direction of at least one sealing line on each English fold plus flap.

The container or pre-container of a rectangular prism or parallelepiped geometric body shape, where in addition the top or/and bottom or/and left or/and right can be broader, wider or square: depending on the width and length of the flaps generated on the lateral sides of the container.

Optionally, it can also contain at least one English fold burr plus flap or/and burr flap: on top and/or under the front or/and back part of the closed or open container.

1b) English fold type flexible container, with no defined horizontal flat English fold flap both on the left and right and on the bottom and top of the closed or open container on at least one side (not tightly sealed), characterized because it has two plus flaps [(one English fold plus flap on the left and one on the right) from the bottom or top of the lateral side of the pre-container or container], as well as at least part of at least one side towards at least one direction of at least one sealing line on each English fold plus flap; and

- one English fold plus flap to the left or right of the top (or bottom) of the lateral side of the pre-container or container, as well as at least part of at least one side in at least one direction of at least one sealing line in the English fold plus flap.

The container or pre-container has a rectangular trapezoid geometric shape with a cone-shaped dispensing neck at the top, where in addition the top or/and bottom or/and left or/and right can be broader, wider or square: depending on the width and length of the flaps generated on the lateral sides of the container.

Optionally, it can also contain at least one English fold burr plus flap or/and burr flap: on top and/or under the front or/and back part of the closed or open container.

1c) English fold type flexible container, in which there is no defined flat English fold flap both on the left and right and on the bottom and top of the closed or open container on at least one side (not tightly sealed), characterized because it has two plus flaps [(one English fold plus flap on the left and one on the right) from the bottom or top of the lateral side of the pre-container or container], as well as at least part of at least one side towards at least one direction of at least one sealing line on each English fold plus flap; and

- two plus flaps [(one English fold plus flap on the left and one on the right) from the bottom or top of the lateral side of the pre-container or container], as well as at least part of at least one side towards at least one direction of at least one sealing line on each English fold plus flap.

The container or pre-container has a cubic, rectangular or parallelepiped prism geometric body shape where, in addition, the top or/and bottom or/and left or/and right can be broader, wider or square: depending on the width and length of the flaps generated on the lateral sides of the container.

Optionally, it can also contain at least one English fold burr plus flap or/and burr flap: on top and/or under the front or/and back part of the closed or open container.

1d) English fold type flexible container, in which there is no defined flat English fold flap both on the left and right and on the bottom and top of the closed or open container on at least one side (not tightly sealed), characterized because it has one English fold plus flap both on the left or right from the top or bottom of the lateral side of the pre-container or container, as well as at least part of at least one side in at least one direction of at least one sealing line in the English fold plus flap.

The container or pre-container has a rectangular or parallelepiped prism geometric body shape but is wider and more volumetric in 3D in the area or area contiguous to the generated flap, where in addition the top or/and bottom or/and left or/and right part can be broader, wider or square: depending on the width and length of the flap generated on the lateral side of the container.

Optionally, it can also contain at least one English fold burr plus flap or/and burr flap: on top and/or under the front or/and back part of the closed or open container.

1e) English fold type flexible container, in which there is no defined flat English fold flap both on the left and right, on the bottom and top of the closed or open container on at least one side (not tightly sealed), characterized because it has one English fold plus flap to the left or/and right of the bottom (or/and top) part of the pre-container or container, as well as at least part of at least one side in at least one direction of at least one sealing line in the English fold plus flap; and

- one English fold plus flap on the opposite lateral side (left or right) of the top lateral side part from where the English fold plus flap of the bottom (or top) part of the pre-container or container is generated, as well as at least part of at least one side in at least one direction of at least one sealing line in the English fold plus flap.

The container or pre-container has a parallelepiped geometric body shape where the two top sides are parallel and the two lateral sides are parallel but in diagonal and, also, the volumetry of the container is reversed from the middle up compared to the middle down: in one it widens to the left and down and the other widens to the right and up, in which the wider or longer the flaps generated the more it widens.

Optionally, it can also contain at least one English fold burr plus flap or/and burr flap: on top and/or under the front or/and back part of the closed or open container.

2a) English fold type flexible container, in which at least one flat English fold flap is defined on both the left and the right from the top or bottom of the lateral side of the container or pre-container, closed or open on at least one side, characterized because it has two plus flaps [two flat English fold plus flaps], or one English fold plus flap and one flat English fold plus flap to the left and right of the bottom (or top) part of the pre-container or container, as well as at least part of at least one side of at least one sealing line on each flat English fold plus flap or English fold plus flap.

The container or pre-container has a rectangular or parallelepiped prism geometric body shape where, in addition, the top or/and bottom or/and left or/and right part can be broader, wider or square: depending on the width and length of the flaps generated on the lateral sides of the container.

Optionally, it can also contain [(at least one English fold burr plus flap or/and at least one English fold burr plus flap) or/and at least one burr flap]: on top and/or underneath the front or/and behind the closed or open container.

2b) English fold type flexible container, in which at least one flat English fold flap is defined on both the left and the right from the top or bottom of the lateral side of the container or pre-container, closed or open on at least one side, characterized because it has two plus flaps [two flat English fold plus flaps], or, one English fold plus flap and one flat English fold plus flap to the left and right of the bottom (or top) part of the pre-container or container, as well as at least part of at least one side of at least one sealing line on each flat English fold plus flap or English fold plus flap; and

- one English fold plus flap on the left or right from the top (or bottom) of the lateral side of the container or pre-container, as well as at least part of at least one side in at least one direction of at least one sealing line in the English fold plus flap.

The container or pre-container has a rectangular trapezoid geometric figure shape with a cone-shaped dispensing neck at the top, where in addition the top or/and bottom or/and left or/and right part can be broader, wider or square: depending on the width and length of the flaps generated on the lateral sides of the container.

2c) English fold type flexible container, in which at least one flat English fold flap is defined on both the left and the right from the top or bottom of the lateral side of the container or pre-container, closed or open on at least one side, characterized because it has two plus flaps [two flat English fold plus flaps], or one English fold plus flap and one flat English fold plus flap] to the left and right of the lateral side of the bottom (or top) part of the pre-container or container, as well as at least part of at least one side in at least one direction of at least one sealing line on each flat English fold plus flap or English fold plus flap; and

- two plus flaps [(two flat English fold plus flaps), or (one English fold plus flap and one flat English fold plus flap)] to the left and right of the top (or bottom) of the sides of the pre-container or container, as well as at least part of at least one side of at least one sealing line on each English fold plus flap.

The container or pre-container has a cubic, rectangular or parallelepiped prism geometric body shape where, in addition, the top or/and bottom or/and left or/and right part can be broader, wider or square: depending on the width and length of the flaps generated on the lateral sides of the container.

2d) English fold type flexible container, in which at least one flat English fold flap is defined on both the left and the right from the top or bottom of the lateral side of the container or pre-container, closed or open on at least one side, characterized because it has one plus flap [one flat English fold plus flap or an English fold plus flap] to the left or right of the upper or lower side of the pre-container or container, as well as at least part of at least one side in at least one direction of at least one sealing line in the flat English fold flap or in the English fold plus flap.

The container or pre-container has a narrow volumetric rectangular prism or parallelepiped geometric body shape, but being wider and volumetric in 3D in the area or area contiguous to the generated flap where, in addition, the top or/and bottom or/and left or/and right can be broader, wider or square: depending on the width and length of the flaps generated on the side of the container.

2e) English fold type flexible container, in which at least one flat English fold flap is defined on both the left and the right from the top or bottom of the lateral side of the container or pre-container, closed or open on at least one side, characterized because it has one flat English fold plus flap or one English fold plus flap, to the left or right of the bottom (or top) part of the lateral side of the pre-container or container, as well as at least part of at least one side in at least one direction of at least one sealing line in the flat English fold plus flap or English fold plus flap; and

- one English fold plus flap on the opposite lateral side (left or right) of the bottom (or top) lateral side from where the flat English fold plus flap of the pre-container or container is generated, as well as at least part of at least one side in at least one direction of at least one sealing line in the English fold plus flap.

The container or pre-container has a parallelepiped geometric shape, where the two top sides are parallel and the two lateral sides are parallel but in diagonal, and the volumetry of the container is reversed from the middle up to the middle down: in one it widens to the left and down and in the other it widens to the right and up, in which the wider or the longer the flaps generated are on the lateral sides, the more it widens.

3a) English fold type flexible container, in which at least one flat English fold flap is defined on both the left and the right from the top or bottom of the lateral side of the container or pre-container, closed or open on at least one side, and there is a definition in at least one vertical/inclined and not horizontal edge, at least part of at least one lateral side vertical edge flap (24), characterized because it has two plus flaps [two flat stable bottom plus flaps, or one flat stable bottom plus flap and one stable bottom plus flap] to the left or right of the bottom (or top) part of the pre-container or container, as well as at least part of at least one side in at least one direction of at least one sealing line in each flat stable bottom plus flap or stable bottom plus flap.

The container or pre-container has a rectangular or parallelepiped prism geometric body shape, where in addition the top or/and bottom or/and left or/and right part can be broader, wider or square: depending on the width and length of the flaps generated on the sides of the container.

Optionally, it can also contain [(at least one stable bottom burr plus flap or/and at least one stable bottom burr plus flap) or at least one burr flap on top and/or underneath the front or/and behind the closed or open container.

3b) English fold type flexible container, in which at least one flat English fold flap is defined on both the left and the right from the top or bottom of the lateral side of the container closed or open on at least one side, and there is a definition in at least vertical/inclined and not horizontal edge, at least part of at least one lateral side vertical edge flap (24), characterized because it has two plus flaps [two flat stable bottom plus flaps, or one flat stable bottom plus flap and one stable bottom plus flap] to the left or right of the bottom (or top) part of the pre-container or container, as well as at least part of at least one side in at least one direction of at least one sealing line in each flat stable bottom plus flap or stable bottom plus flap; and

- one English fold plus flap to the left or right of the top (or bottom) part of the lateral side of the pre-container or container, as well as at least part of at least one side in at least one direction of at least one sealing line in the English fold plus flap.

The container or pre-container has a rectangular trapezoid geometric body shape with a cone-shaped dispensing neck at the top, where in addition the top or/and bottom or/and left or/and right part can be broader, wider or square: depending on the width and length of the flaps generated on the lateral sides of the container.

Optionally, it can contain [(at least one stable bottom burr plus flap or/and at least one English fold burr plus flap) or English fold burr plus flap or/and at least one burr flap on top and/or underneath the front or/and behind the closed or open container.

3c) English fold type flexible container, in which at least one flat English fold flap is defined on both the left and the right from the top or bottom of the lateral side of the container, closed or open on at least one side, and there is a definition in at least one vertical/inclined and not horizontal edge, at least part of at least one lateral side vertical edge flap (24), characterized because it has two plus flaps [two flat stable bottom plus flaps, or one flat stable bottom plus flap and one stable bottom plus flap] to the left and right of the bottom (or top) part of the pre-container or container, as well as at least part of at least one side in at least one direction of at least one sealing line in each flat stable bottom plus flap or stable bottom plus flap; and

- two plus flaps [two flat stable bottom plus flaps, or one flat stable bottom plus flap or one stable bottom plus flap] to the left and right of the top (or bottom) of the lateral side of the pre-container or container, as well as at least part of at least one side in at least one direction of at least one sealing line in the flat stable bottom plus flap or stable bottom plus flap.

The container or pre-container has a cubic, rectangular or parallelepiped prism geometric body shape, where in addition the top or/and bottom or/and left or/and right part can be broader, wider or square: depending on the width and length of the flaps generated on the sides of the container.

3d) English fold type flexible container, {in which at least one flat English fold flap is defined on both the left and the right from the top or bottom of the lateral side of the pre-container or container, and there is a definition in at least one vertical/inclined and not horizontal edge, at least part of at least one lateral side vertical edge flap (24), characterized because it has one flat stable bottom plus flap or one flat stable bottom plus flap to the left or right of the bottom (or top) part of the pre-container or container, as well as at least part of at least one side in at least one direction of at least one sealing line in each flat stable bottom plus flap or stable bottom plus flap.

The container or pre-container has a rectangular or parallelepiped prism geometric body shape but being wider and more volumetric in 3D in the area or area contiguous to the generated flap, where in addition the top or/and bottom or/and left or/and right can be broader, wider or square: depending on the width and length of the flaps generated on the side of the container.

Optionally, it can also contain (at least one stable bottom burr plus flap or/and at least one English fold burr plus flap) or/and at least one burr flap on top and/or underneath the front or/and behind the closed or open container.

3e) English fold type flexible container, {in which at least one flat English fold flap is defined on both the left and the right from the top or bottom of the lateral side of the container, closed or open on at least one side, and there is a definition in at least one lateral side vertical edge flap (24) on each side or lateral side, characterized because it has one flat stable bottom plus flap, or one flat stable bottom plus flap to the left and right of the bottom (or top) part of the pre-container or container, as well as at least part of at least one side in at least one direction of at least one sealing line in each flat stable bottom plus flap or stable bottom plus flap; and

- one stable bottom plus flap on the opposite lateral side, to the left or right, of the lateral side of the bottom (or top) part from which the stable bottom plus flap or flat stable bottom plus flap of the container is generated, as well as at least part of at least one side in at least one direction of at least one sealing line in the stable bottom plus flap.

4a) Flexible container, half English fold type (in which there is no defined flat English fold flap) and the other half, pad type. The closed or open container or pre-container (at least one of the sides to be filled with the product to be packaged later), characterized because it has two plus flaps, one English fold plus flap on the left and the other on the right from the bottom or top of the lateral side of the pre-container or container, as well as at least part of one side towards at least one direction of at least one sealing line on each English fold plus flap.

The container has a rectangular or parallelepiped prism geometric body shape, where also the top or/and bottom or/and left or/and right part can be broader, wider or square: depending on the width and length of the flaps generated in the container.