This invention relates to a packaging filling method of paper container of drink, the filling machine and packaging material to use in the filling machine.
Drink paper container is provided, in filling machine, by unwinding a web-shaped packaging material from a roll or a reel continually, forming as tube shape by longitudinal sealing, filling drink content to seal it, cutting to individual container. Before the web of the roll- or reel-shaped packaging material is used up, the next roll is supplied.
The forward packaging material and the backward packaging material are spliced. A paper-spliced portion which is spliced is disposed as a paper container including the paper spliced portion in the filling machine.
However, seal insufficiency is generated in longitudinal seal corresponding to the paper-spliced portion and, the part is broken.
An interruption of continuous running may be forced to. When the continuous running of filling machine is stopped, for a re-start, considerable time and cost are needed in re-setup of the packaging material and cleaning and sterilization.
It is for this purpose of the invention to provide a filling method of drink paper container, a filling machine and a packaging material, wherein even if the paper spliced portion is included in the web-shaped packaging material, seal insufficiency is not generated in longitudinal seal of the paper spliced portion, an interruption due to the broken part of continuous operation is prevented.
A filling method by this invention comprise steps of
A filling machine by this invention,
Packaging material in accordance with this invention used by the filling machine,
Another filling method in accordance with this invention comprise steps of
A filling machine of the present invention, a filling method and packaging material are explained by the drawings of embodiment.
In filling machine manufacturing the packaging container which is filled with liquid food such as milk, soft drinks, web-shaped packaging material is supplied by a reel, the web is formed into tube-shape continually, liquid food is filled into the tube packaging material.
In
The packaging material 11 from the packaging material supplying portion is supplied by the guide-rollers in filling machine into a sterilization room and, is sent to an air knife portion. While the packaging material 11 is transported in the air knife department, by means of a hot jet, sterilizers are removed from packaging material 11.
The packaging material 11 from an air knife portion is guided by means of guide roller.
While the packaging material is guided by means of foaming rings as a packaging material tube formation means, the packaging material is made to curve by degrees and is formed as tube. Tube packaging material 41 is formed by longitudinal seal with the longitudinal seal apparatus.
While packaging material tube 41 is transported downwards, liquid food is supplied from filling pipe 13, and is filled in packaging material tube 41.
The packaging material tube 41 is sent to transversal seal apparatus.
In transversal seal apparatus, a transversal seal portion is formed by nipping from both sides and transversal seal every predetermined distance. In the transversal seal portion, packaging material tube 41 is cut with a cut apparatus and, is separated from in pillow-shaped, bag-shaped container 14. The container 14 is formed as predetermined shape in line with crease lines with a final forming apparatus, packaging container 15 is completed.
The splicing is needed in order to operate a filling machine continuously. The method of splicing is explained to the following.
As shown in
When the using reel has little rest, the next packaging material 11b is spliced. All the using packaging material 11a is unwound from the reel with reversing of the reel of the using packaging material 11a. A forward (front) end portion of packaging material 11b of reel 12 to be used next is set at splice table 53. A rear end portion of the removed packaging material 11a is overlapped on a front end portion of the using packaging material 11b from the reel and, is set. As shown in
An embodiment of the present invention about paper splicing is explained. When longitudinal seal of paper packaging material is done by heating with induced current and when the seal is done in heating with induced current so that an end face of paper packaging material is seal-protected with a strip tape, for example, as an electromagnetism induction material, a metal layer such as aluminum foil, a copper foil are used. In for example, the part having aluminum foil discontinuity, that is, a paper spliced portion of the packaging material, as shown in an enlarged view of
Means to dissolve by lack of induction heating in a longitudinal seal portion of a corner edge of the paper spliced portion are shown with the present invention. As shown in
The embodiment that three notches 51 formed edge of discontinuous portion is shown in
One notch 51 or a lot of notches are acceptable. Furthermore, the notch 51 includes a notch penetrating through aluminum foil 73 and, a notch having depth until the middle of aluminum foil, as shown in
When the strip tape of an embodiment of other invention is formed in web-shaped packaging material, by a method in the same way as longitudinal seal of the paper packaging material, a lack of seal caused by discontinuity of aluminum foil of a paper spliced portion is solved.
The packaging material 11 is formed from the outside of packaging container to an inside sequentially as follows, usually comprises an outside layer 71, a paper substrate 72, barrier layer 74, adhesive layer 73, 75 and an innermost layer 76.
By means of a notch formation apparatus arranged to a splice table by this invention, the embodiment to arrange desired notches is explained.
As shown in
Notch apparatus 60 is installed in splice table 53. Desired slit 66 is formed to a top of guiding 64 for notch blades. In guiding 64 for notch blades, notch blade base 63 for notch blade 62 and notch blade 62 is assembled, on base 65, through air cylinder 61.
Notch blade base 63 rises by driving air cylinder 61, as well as notch blade 62 rises. Because notch blade 62 rises in consonance with slit 66 of guiding 64 for notch blades, desired notch is formed to a rear end portion of using packaging material 11a controlled by a pressing portion 56 for notch formation.
After notch formation of using packaging material 11a, the rear end portion of packaging material 11a moves from pressing portion 56 for notch formation and, moves to a heating pressure portion 57.
A front end portion of next packaging material 11b is put on a rear end portion of packaging material 11a and, spliced by heating pressure portion 57.
In illustrated embodiment, two sets of notch 62 are arranged in notch apparatus 60. Each notch can be driven independently, respectively.
When both or either of notches is formed, option is chosen appropriately.
As shown in drawings, it is not necessary that the paper spliced portion is upright to the longitudinal direction of packaging material. The position can be aslant.
As discussed above, the present invention is effective for the heating improvement of the longitudinal seal portion.
As paper container having rectangular shape of an example, that notches are arranged in a corner portion of the packaging material edge is explained. For example, however, six or eight square pillar-shaped paper container, wedge form paper container can be acceptable.
Embodiment to form notch 51 by means of notch apparatus 60 is described in above-mentioned example. Before or while supplying in filling machine, notches 51 can be formed with a manually operated cutter simply.
Instead of the above-mentioned aluminum foil example, the other electromagnetic metallic materials, for instance, compound material by vapor deposition are acceptable.
Advantage
As discussed above, according to this invention, that seal insufficiency generated in the paper spliced portion of the longitudinal seal portion and protection seal of packaging material can is prevented and, any interruption of continuous running due to the failure is prevented.
Time and cost consumptions by re-setup of packaging material for use in a re-start, cleaning and disinfection due to the interruption of continuous running of filling machine are prevented.
Industrial Applicability
Filling machine for manufacturing paper-packaging container according this invention is used in order to pack liquid food of milk, juice, refined sake, shochu, mineral water and other drink.
Number | Date | Country | Kind |
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2001-116529 | Apr 2001 | JP | national |
Filing Document | Filing Date | Country | Kind |
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PCT/JP02/03646 | 4/12/2002 | WO |