The present application relates to the technical field of daily chemical products, and more particularly, to a laundry bead molding mold, a laundry bead which changes from an obtuse angle to a right angle, and a laundry bead molding method.
Laundry bead is an innovative washing product that has emerged in the past two years, and because its shape likes a bead, it is named as the laundry bead, and the product is soft to the touch and cute in shape, leading the new trend in the laundry market. Laundry bead is a water-soluble concentrated laundry detergent with high-efficiency cleaning ability, and the laundry bead is specially designed for machine washing, and the laundry bead is easy to operate, convenient and does not dirty hands, and it has high cleaning ability and is easy to rinse, which can effectively remove stubborn stains to make clothing as clean as new.
The existing laundry bead generally comprises only one cavity, and only one concentrated cleaning agent is provided inside, and when cleaning different clothes and the like, it is often necessary to add detergent, bactericide, biological agent, softener, whitening agent and skin-friendly agent, so when using the existing laundry bead to wash the clothing, one also need to add the above-mentioned cleaning agent, causing the operation is cumbersome, and various cleaning agents need to be purchased and stored separately, occupying a large space. In addition, in the production process of the laundry bead, the outer film of the laundry bead needs to be vacuum plasticized, and the elastic outer film tends to deform, and after restoring to normal pressure, the pressure caused by the elastic deformation causes the bead product is not completely consistent with the preset shape.
The present application has been provided to solve one or more deficiencies of the above related art. According to the technical solutions of the present application, the problem that one need to add additional detergent additive when using the existing laundry bead to wash clothing and/or the product molded by the existing laundry bead mold is not completely consistent with the preset shape could be solved.
To solve the above problem, the technical solution of the present application is:
The present application provides a laundry bead molding mold, comprising a first mold cavity and a second mold cavity which are separate from each other.
Further, the second mold cavity is at least partially surrounded by the first mold cavity.
Further, the first mold cavity is a gate shape having a smooth inner edge, and the second mold cavity is disposed inside a notch of the gate shape.
Further, the cross section of the inner edge of the first mold cavity is a circular arc shape, and the cross section of the second mold cavity is a circular shape, and the second mold cavity is suitably disposed in a space formed by the inner edge of the first mold cavity.
Further, the first mold cavity comprises a first side wall, a second side wall and a third side wall which are disposed on the two sides of the first side wall, and also comprises a fourth side wall which is simultaneously connected to the second side wall and the third side wall to form a closed cavity.
Further, the fourth side wall has a circular arc segment adapted to the periphery of the second mold cavity.
Further, the second side wall and the third side wall are at an angle of 0.5-30 degrees.
Further, the first mold cavity and/or the second mold cavity are composed of at least two cavities which are separate.
A laundry bead, molded by the above mold, comprising a plurality of beads.
A laundry bead molding method, using the above mold to mold, comprising:
1) pulling a PVA water-soluble film to the mold, and plasticizing the PVA water-soluble film in the first mold cavity and the second mold cavity under the absorbing effect of the mold;
2) then filling at least one of a detergent, a bactericide, a biological agent, a softener, a whitening agent and a skin-friendly agent into the first mold cavity;
3) filling at least one of the detergent, the bactericide, the biological agent, the softener, the whitening agent and the skin-friendly agent into the second mold cavity;
4) pulling another PVA water-soluble film to the mold, and pressing or bonding the two PVA water-soluble films under the action of a press roll, to obtain a laundry bead having at least two cavities.
Compared with the prior art, the above technical solution of the present application has the following advantages:
(1) According to the laundry bead molding mold of the present application, it comprises the first mold cavity and the second mold cavity that are separated from each other. The mold could be used to form a laundry bead having at least two cavities, and the two cavities could be respectively filled with at least one of detergent (especially concentrated detergent), bactericide, biological agent, softener, whitening agent and skin-friendly agent, thereby obtaining a multifunctional laundry bead, and the mold has a simple structure and a high yield of the formed laundry beads.
(2) According to the laundry bead molding mold of the present application, the cross section of the inner edge of the first mold cavity is in a circular arc shape and the cross section of the second mold cavity is a circular, and the second mold cavity is disposed in a space formed by the inner edge of the first mold cavity to form a double cavity structure, or the second mold cavity is composed of at least two cavities, so as to form a three-cavity structure or a multi-cavity structure. The mold has a regular shape, and is easy to store and beautiful in appearance, and could be filled with a plurality kind of detergent additives or detergents, which has a wide range of uses and functions.
(3) According to the laundry bead molding mold of the present application, the first mold cavity comprises the first side wall, the second side wall and the third side wall which are disposed on two sides of the first side wall, and the fourth side wall which is connected to the second side wall and the third side wall, wherein, there is a certain angle between the second side wall and the third side wall, for example, 0.5-30 degrees, which could solve the problem that the appearance of the laundry bead product is deformed caused by the elastic deformation after the vacuum is released and it is difficult to ensure the appearance of the laundry bead product, and by setting the two side walls of the mold at the certain angle, the vacuum-formed bead in the first mold cavity will restore to elasticity under normal pressure, to ensure a predetermined exterior structure (for example, a rectangular shape).
(4) The laundry bead according to the present application comprises a plurality of beads, which could be respectively used for setting at least one of detergent, bactericide, biological agent, softener, whitening agent and skin-friendly agent, so the laundry process is simple, in addition, the laundry bead has a rectangular structure and has side walls which are perpendicular to each other, so it has good shape consistency and beautiful appearance.
In order to more easily and clearly understand the content of the present application, the present application will be further described in detail below according to the embodiments of the present application and the accompanying drawings. Wherein,
The reference numerals in the figures are denoted as: 1—First mold cavity; 11—First side wall; 12—Second side wall; 13—Third side wall; 14—Fourth side wall; 2—Second mold cavity; 3—First bead portion; 4—Second bead portion.
The present application could be implemented in a variety of different manners, and should not be construed as being limited to the embodiments set forth herein. On the contrary, the provided embodiments make the present disclosure be thorough and complete and make the concept of the present application fully conveyed to the person skilled in the art, and the present application will be defined by the claims. In the drawings, the sizes and relative dimensions of the various devices are exaggerated for clarity. The terms “first”, “second” and the like in the specification and the claims and the drawings of the present application are used to distinguish similar objects, and are not necessarily used to describe a particular order or precedence order. It should be understood that the data used in such a way could be interchanged where appropriate. Besides, the terms “comprising”, “having” and any variants thereof are meant to cover non-exclusive inclusions.
As shown in the
Preferably, the first mold cavity 1 and the second mold cavity 2 are respectively used to accommodate at least one of detergent, bactericide, biological agent, softener, whitening agent and skin-friendly agent.
Preferably, the second mold cavity 2 is at least partially surrounded by the first mold cavity 1, so that the structure of the prepared laundry bead is compact.
Preferably, the first mold cavity 1 is a gate shape with a smooth inner edge, and the second mold cavity 2 is disposed inside the notch of the gate shape.
Preferably, the cross section of the inner edge of the first mold cavity 1 is in a circular arc shape, the cross section of the second mold cavity 2 is circular, and the second mold cavity 2 is suitably disposed in the space formed by the inner edge of the first mold cavity 1, and in order to make the formed laundry bead has a beautiful shape, the arc inner edge of the first mold cavity 1 is concentrically arranged with the second mold cavity 2. Of course, as a changeable embodiment, the cross-sectional shape of the second cavity 2 may also be other shape such as a square, a triangle, or the like. Preferably, the first mold cavity 1 comprises a first side wall 11, a second side wall 12 and a third side wall 13 which are disposed on two sides of the first side wall 11, and also comprises a fourth side wall 14 which is simultaneously connected to the second side wall 12 and the third side wall 13 to form a closed cavity, and the fourth side wall 14 has a circular arc segment adapted to the periphery of the second mold cavity 2. The second side wall 12 and the third side wall 13 are connected to the first side wall 11 by a smooth circular arc side wall.
Further, in order to obtain laundry beads which have a rectangular shape and have a good uniformity and a flat surface, the second side wall 12 and the third side wall 13 are at an angle of 0.5-30 degrees, preferably 9 degrees. Since the PVA water-soluble film has certain elasticity, it's difficult to make the shape of the laundry bead be consistent with the preset shape under the condition that the elastic deformation is restored after the vacuum plasticity, and if the cross-section of the mold cavity is rectangular, the two sides of the formed bead are at obtuse angle. By setting the two opposite side walls of the mold at certain angle, and selecting the angle values for different vacuum degrees or other parameters, it's possible to ensure that the bottom of the cross section of the formed laundry bead is a completely closed rectangle with four sides which are approximately perpendicular to each other. The above-mentioned laundry bead molding mold could ensure the angle of the shape of the molded product.
Preferably, the second mold cavity 2 is circular, and the ratio of the diameter of the second mold cavity 2 to the length of the wide side (that's, the second side wall 12, the third side wall 13) of the first mold cavity 1 is 1/10- 9/10.
Preferably, the center of the second mold cavity 2 is in the middle of the longitudinal direction of the second side wall 12 and the third side wall 13.
In order to meet different washing applications and prepare different specifications of laundry bead, the parameters of the mold are different. Preferably, the diameter of the second mold cavity 2 is 22 mm, and the length of the shorter side (top side in the figure) of the first mold cavity 1 is 57.8 mm, and the length of the longer side (bottom side in the figure) is 62.2 mm, and the width is 43.4 mm, and the radius of the curved side wall is 8 mm. The depth of the first mold cavity 1 and the second mold cavity 2 is 0.1-30 mm, preferably 7.8 mm, and the quality of the produced laundry bead is 22 g.
Preferably, the diameter of the second mold cavity 2 is 34.1 mm, and the length of the top side of the first mold cavity 1 is 89.6 mm, and the length of the bottom side is 96.4 mm, and the width is 67.3 mm, and the radius of the curved side wall is 12.4 mm. The depth of the first mold cavity 1 and the second cavity 2 is 0.1-30 mm, preferably 12.2 mm, and the quality of the produced laundry bead is 100 g.
Preferably, the diameter of the second mold cavity 2 is 14.3 mm, and the length of the top side of the first mold cavity 1 is 37.6 mm, and the length of the bottom side is 40.4 mm, and the width is 28.2 mm, and the radius of the curved side wall is 5.2 mm. The depth of the first mold cavity 1 and the second cavity 2 is 0.1-30 mm, preferably 5.1 mm, and the quality of the produced laundry bead is 5 g.
A laundry bead molding method is also provided, comprising the following steps: 1) pulling a PVA water-soluble film to the above mold, and plasticizing the PVA water-soluble film in the first mold cavity 1 and the second mold cavity 2 under the absorbing effect of the mold; 2) then filling at least one of detergent, bactericide, biological agent, softener, whitening agent and skin-friendly agent into the first mold cavity 1; 3) filling at least one of detergent, bactericide, biological agent, softener, whitening agent and skin-friendly agent into the second mold cavity 2; 4) pulling another PVA water-soluble film to the above mold, and pressing or bonding the two PVA water-soluble films under the action of a press roll, to obtain a laundry bead having at least two cavities.
As shown in
Obviously, the above embodiments are merely illustrative for clear description and are not intended to limit the implementation manner. For person skilled in the art, other various forms of variations or modifications may be made on the basis of the above description. There is no need and no way to exhaust all of the implementations. Obvious changes or variations deriving from those are still within the protection scope created by this application.
Number | Date | Country | Kind |
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201910049415.0 | Jan 2019 | CN | national |
201910156385.3 | Mar 2019 | CN | national |
The present application is a Continuation Application of PCT Application No. PCT/CN2019/077306 filed on Mar. 7, 2019, which claims the benefit of Chinese Patent Application Nos. 201910049415.0 filed on Jan. 18, 2019 and 201910156385.3 filed on Mar. 1, 2019. All the above are hereby incorporated by reference.
Number | Name | Date | Kind |
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9725685 | Brandt-Sanz | Aug 2017 | B2 |
20170057716 | Fowler | Mar 2017 | A1 |
20190316066 | Ellson | Oct 2019 | A1 |
Number | Date | Country |
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105539902 | May 2016 | CN |
106956793 | Jul 2017 | CN |
206624198 | Nov 2017 | CN |
108609237 | Oct 2018 | CN |
2009533287 | Sep 2009 | JP |
Entry |
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English Translation of CN206624198U (Year: 2017). |
The extended European Search Report of counterpart European Patent Application No. 19724330.6 dated Apr. 28, 2020. |
Number | Date | Country | |
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20200230850 A1 | Jul 2020 | US |
Number | Date | Country | |
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Parent | PCT/CN2019/077306 | Mar 2019 | US |
Child | 16391286 | US |