JPH09286470A - Contents mixing bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make mixing of different contents easy at the time of use by a method wherein the innermost layer of a laminated body constituting a multi-linked bag for which contents housed in individual chambers are mixed together with easily unsealable temporary sticking parts peeled off is constructed of easily unsealable co-extruded films having a peel-off layer at the heat-sealing surface and its internal layer. SOLUTION: A laminated body constructed of a base film and easily unsealable co-extruded films having two layers of a peel-off layer at the heat-sealing surface and a core layer at its innermost layer and a laminated body made up by laminating a base film and a heat-sealing film successively from the outside to the inside are provided. These laminated bodies are put together and peripheral parts of their outer circumferential end are stuck by heat sealing and a strong sealing part 7 is formed. Thereby, a bag body is formed with an easily unsealable temporary sticking part 8 for dividing the bag body into two chambers provided at a specified position of the bag body, and different contents 9 and 10 are housed respectively in the divided two chambers. Therefore, a double-linked bag C capable of mixing the different contents 9 and 10 together with the easily unsealable temporary sticking part 8 peeled off at the time of use is produced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bag for mixing contents, and more specifically, a bag for storing contents of another kind and mixing the contents of another kind by peeling off a temporary adhesive portion during use. It relates to a bag for mixing.

[0002]

2. Description of the Related Art Conventionally, various packaging bags have been proposed for filling and packaging various articles. One of them is a three-way seal, a four-way seal or the like. A temporary adhesive portion may be provided to divide into two or more chambers, and contents of different types may be stored in each of the chambers, and the temporary adhesive portion may be peeled off at the time of use to mix the different types of contents. Multiple bags for mixing have been proposed. For example, a bag with a partition described in Japanese Utility Model Laid-Open No. 56-53062, Japanese Utility Model Laid-Open No. 57-10527.
The package described in Japanese Patent Laid-Open No. 2-6868
Double bag for mixing described in Japanese Patent Publication No. 5, Jitsuko Sho 60-
The two-component mixing packaging bag described in Japanese Patent No. 16536 is known. The multiple bags for mixing as described above are used, for example, for filling and packaging of foods and drinks such as retort foods, chemicals such as adhesives and adhesives, cosmetics, pharmaceuticals, miscellaneous goods such as chemical warmers, and other articles. Further, its development is expected to fill and package various articles in which two or more components are mixed and used immediately before use.

[0003]

However, in the above-mentioned multi-use bag for mixing, the temporary adhesive portion is separated in each chamber during distribution, but is peeled off during use so that a different kind of content is separated. It is necessary to have a structure that can be mixed, but to date, its function has been fully demonstrated,
The reality is that no sufficiently satisfactory multi-bag for mixing has been proposed. For example, the above-mentioned actual development 5
In the bag with a partition described in Japanese Patent Laid-Open No. 6-53062, since the easily-openable temporary adhesive portion is formed by pressure bonding with a heat seal agent or an adhesive, the contents come into contact with it. Since it is inevitable, it cannot be applied to the filling and packaging of foods, etc., and it cannot be applied to chemicals such as adhesives and pressure sensitive adhesives. In addition, in the package described in Japanese Utility Model Laid-Open No. 57-105272, the double bag for mixing described in Japanese Utility Model Laid-Open No. 3-66845, etc., a method for forming an easily-openable temporary adhesive portion is used. As a weak seal, regardless of pressure bonding with a heat-sealing agent or an adhesive.
This is a method for forming an easily-openable adhesive part by sandwiching a tape having a tape-forming property and an easing-peeling property. In this method, the tape is fed out and positioned on a bag-making machine. In addition to the difficulty, it is unavoidable that the seal strength is lowered in the peripheral portion of the outer peripheral end portion where the tape is engaged.
Furthermore, in the two-component mixing packaging bag described in Japanese Utility Model Publication No. 60-16536, a substance that lowers the bonding strength is previously prepared in accordance with the location where the partition seal is formed in the bag. There is a problem that the coating step is required and the position of the partition seal is limited, so that it is not convenient because a highly accurate seal machine is required. Therefore, in the present invention, in the mixing multiple bag, the structure of the temporary adhesive portion, the adhesiveness, etc. are improved, and each chamber is partitioned at the time of distribution, etc., but peels off at the time of use to mix different kinds of contents. It is an object of the present invention to provide a multiple bag for mixing that has a temporary adhesive portion that can be used as a product.

[0004]

Means for Solving the Problems As a result of various studies to solve the above problems, the present inventor has focused on the heat-sillable film on the innermost surface of the bag, An easily openable co-extrusion film having at least a release layer having a heat seal surface and a core layer as an inner layer of the release layer is used as an inner layer, and the heat seal condition is adjusted to adjust the heat seal condition. -Easy adjustment of two types of sealing methods, that is, easy-opening temporary adhesion between release layers on the toe-seel surface by heat seal and strong seal between core layers in the inner layer of the release layer It has been found that by doing so, it is possible to produce a mixing multiple bag in which each chamber is sufficiently partitioned at the time of distribution and the temporary adhesion portion is peeled off at the time of use to mix different kinds of contents. Is completed.

That is, according to the present invention, the bag is constructed by providing a strong seal portion around the outer peripheral end portion, and the bag body is divided into two chambers or more so as to be easily opened. A temporary adhesive portion is provided, and different kinds of contents are stored in two or more chambers partitioned by the easily openable temporary adhesive portion, and the easily openable temporary adhesive portion is peeled off at the time of use. A multi-bag for mixing capable of mixing different kinds of contents, and the innermost layer of the laminate constituting the multi-bag is at least a release layer on the heat seal surface and a core of the release layer. The present invention relates to a bag for mixing contents, which is composed of an easy-opening co-extrusion film having two layers.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in more detail below. First, in the above-mentioned present invention, a bag for mixing contents according to the present invention will be described with reference to the drawings by exemplifying a specific example, and Figs. 1 and 2 constitute a bag for mixing contents according to the present invention. It is sectional drawing which shows an example of the laminated constitution of the laminated body used for manufacture of a bag body, and FIG. 3 of the content mixing bag concerning this invention manufactured using the laminated body shown in FIG. 1 and FIG. FIG. 4 is a plan view showing an example of the structure, FIG. 4 is a schematic cross-sectional view showing the structure of the strong seal portion in XX ′ of the bag for mixing contents shown in FIG. 3, and FIG.
FIG. 6 is a schematic cross-sectional view showing the structure of the easy-open temporary adhesive portion in Y-Y ′ of the contents mixing bag shown in FIG. 3, and FIG. 6 shows the easy-open temporary adhesive portion shown in FIG. It is a schematic sectional drawing which shows the state of peeling.

First, in the present invention, one of the laminates used to manufacture the bag constituting the bag for mixing contents is, as shown in FIG. 1, a base film 1 and a multiple bag. When the body is constructed, the innermost layer is composed of at least the peelable layer 2 on the heat-sealing surface and the easy-open co-pressing film 4 having two layers of the core layer 3 as the inner layer of the peelable layer 2. Laminate A can be used. In the above, 5
Represents an adhesive layer for laminating the base film 1 and the easy-open co-pressing film 4. Next, in the present invention, as the other laminate, as shown in FIG. 2, at least the base film 1 and the heat-sealable film 6 are sequentially laminated from the outside to the inside. Body B can be used. In the above, 5'denotes an adhesive layer for laminating the base film 1 and the heat-sealable film 6.

Next, in the present invention, an example of the structure of the bag for mixing contents according to the present invention is manufactured by using the above-mentioned laminated body A shown in FIG. 1 and laminated body B shown in FIG. Explaining the mixing bag as an example, as shown in FIG. 3, the laminates A and B manufactured as described above are prepared, and the surface of the release layer 2 and the surface of the heat-sealing film 6 are opposed to each other. Then, the peripheral portion of the outer peripheral end is heat-sealed to form a strong seal portion 7 to form a bag body, and the bag body is divided into two chambers at predetermined positions. An easily-openable temporary adhesive portion 8 is provided,
Contents of different kinds 9 and 10 are stored in each of the two chambers partitioned by the easy-open temporary adhesion portion 8, and the easy-open temporary adhesion portion 8 is peeled off at the time of use to separate the contents 9 of different kind. 10
Is a double bag C for mixing which is capable of mixing. Thus, in the present invention, the double bag C for mixing produced as described above is pulled to both sides by applying pressure or the like from the outside, or by holding the easily openable temporary bonding portion 8 in the hand. And the like, the part of the easily-openable temporary adhesive portion 8 is peeled off, the contents 9 and 10 of different kinds stored in the two chambers are mixed, and then the bag can be opened and used. is there.

In the bag C for mixing contents according to the present invention described above, the structures of the strong seal portion 7 and the easily-openable temporary adhesive portion 8 will be illustrated and described. As shown in FIG. 4, the release layer 2 constituting the easy-opening co-press film 4 of the laminated body A is pushed by the side due to the pressure and heat at the time of heat fusion, and the easy-opening of the laminated body A is performed. The core layer 3 constituting the co-extrusion film 4 and the heat-sealing film 6 of the laminate B are opposed to each other, and both are melt-integrated to form the strong seal portion 7. On the other hand, as shown in FIG. 5, the above-mentioned easily-openable temporary adhesive portion 8 has the laminated body A and the laminated body B.
The surface of the release layer 2 and the surface of the heat-sealable film 6 are overlapped with each other so as to face each other to form the easily-openable temporary adhesive portion 8. In addition, when showing the peeling state of the easily openable temporary adhesion part 8, as shown in FIG. 6, between the peeling layer 2 and the core layer 3 constituting the easily openable co-pressed film 4 of the laminate A. The peeling layer 2 is peeled off by
It is peeled off in a state of being adhered to the surface of the toseal film 6. Note that, in FIGS. 4 and 5 described above, the adhesives 5 and 5 ′ are not shown and are omitted.

In the above, various methods can be adopted as the method of filling and packaging the different kinds of contents 9 and 10. For example, the peripheral portion of the outer peripheral end is heat-sealed to make the strong seal portion. When forming 7, for example, the peripheral portions of the left and right outer peripheral ends of the laminated bodies A and B are heat-sealed to form the strong seal portions 7 and 7, and the easy-opening temporary adhesion is further performed. On the other hand, the peripheral portions of the upper and lower outer peripheral ends of the laminates A and B are formed as an unsealed opening without heat sealing, and then the opening is formed as a content. Used as an opening for filling the two chambers with different contents 9 and 10 from above and below, and the unsealed portions of the opening provided above and below are then filled. By forming the strong seal portions 7 and 7 by heat-sealing, the contents 9 and 10 can be packed in the two chambers. That.

Thus, in the present invention, although not shown, the double bag C for mixing manufactured as described above is peeled off from the easily openable temporary adhesive portion 8 by using a force from the outside when the bag is used. Then, the part of the easy-opening temporary adhesive portion 8 is cut off, and then the contents 9 and 10 of another kind stored in the two chambers are mixed, and then the upper end portion of the double bag C for mixing is mixed, For example,
The contents 9 and 10 that have been mixed and cut by using scissors and the like can be opened and transferred to another container or the like for use.

The above-mentioned examples are examples of the bag C for mixing contents according to the present invention, and the present invention is not limited to this. For example, in the present invention, instead of producing the bag C for mixing contents by using the above-mentioned laminated body A and laminated body B, although not shown, two sheets of laminated body A are prepared and the laminated body is prepared. By using A and A, the release layer surfaces are made to face each other and overlapped with each other, and the content mixing bag can be manufactured in the same manner as described above. Furthermore, the laminate B is used, and the laminates B and B are laminated with their heat sealable film surfaces on each other, and then a bag for mixing contents is manufactured in the same manner as described above. be able to.

Next, in the above-mentioned present invention, the materials constituting the bag for mixing contents according to the present invention will be explained. First, as the base material film constituting the laminate A and the laminate B according to the present invention, , Which is a basic material constituting the bag for mixing contents according to the present invention, mechanical,
Has excellent properties in physical, chemical, other, etc.
In particular, it is possible to use a resin film or sheet having heat resistance, excellent strength and rigidity, and various toughness. Specifically, for example, polyester resin, polyamide resin, polyaramid Resins, polypropylene resins, polycarbonate resins, polyacetal resins,
A film or sheet made of a tough resin such as a fluororesin or the like can be used. Thus, as the resin film or sheet, any one of an unstretched film and a stretched film stretched in a uniaxial or biaxial direction can be used. Further, in the present invention, the thickness of the resin film or sheet may be any thickness as long as it has heat resistance, is excellent in strength, rigidity, etc. and can maintain various toughness to the necessary minimum. , About 10μ
m to about 50 μm, preferably about 12 μm to 2
5 μm is most desirable.

Next, in the present invention, the material for forming the release layer of the easily openable co-pressed film of the laminate A is co-pressed with the material for forming the core layer of the easily openable co-pressed film. A co-extruded film can be produced by using a material having a heat-sealing property. Specifically, it is possible to use, for example, those which can be melted by heat and fused to each other. For example, low density polyethylene, medium density polyethylene, high density polyethylene, linear low density polyethylene, polypropylene, ethylene- Vinyl acetate copolymer, ionomer resin, ethylene-acrylic acid copolymer, ethylene-ethyl acrylate copolymer, ethylene-methacrylic acid copolymer, ethylene-propylene copolymer, methylpentene polymer, polybutene polymer- Resins such as acid-modified polyolefin resins and others can be used. The thickness of the film is about 5 μm to 200 μm, preferably 5 μm.
μm to 100 μm is desirable. By the way, in the present invention, it is possible to use the above-mentioned materials of the same type or different types in combination on the facing surfaces when forming the bag body. In the present invention, as will be described later, these combinations must adjust the adhesiveness of the easily-openable temporary adhesive portion so that the temporarily-openable temporary adhesive portion can be easily peeled off.

Next, in the present invention, the material constituting the core layer of the easily openable co-pressed film of the laminate A is co-extruded with the material of the release layer of the easily openable co-pressed film. Any material capable of producing a co-extruded film can be used. Specifically, for example, low density polyethylene, medium density polyethylene, high density polyethylene, linear low density polyethylene, polypropylene, ethylene-propylene copolymer, ethylene-vinyl acetate copolymer, ionomer resin, ethylene-acryl. Ethyl acid copolymer, ethylene-acrylic acid or methacrylic acid copolymer, methylpentene polymer, polyolefin resin such as polybutene resin, polyvinyl chloride resin, polyvinyl acetate resin, polyvinylidene chloride resin, chloride Vinyl-vinylidene chloride copolymer, poly (meth) acrylic resin, polyacrylonitrile resin, polystyrene resin, acrylonitrile-styrene copolymer, acrylonitrile-butadiene-styrene copolymer, polyester resin, polyamide resin, Polycarbonate
Any known resin such as a Bonnet resin, a polyvinyl alcohol, a saponified ethylene-vinyl acetate copolymer, a fluorine resin, a diene resin, a polyacetal resin, a polyurethane resin, or the like can be arbitrarily selected. Can be used.

Further, in the above-mentioned present invention, the heat-sealable film constituting the laminate B may be any one that can be melted by heat and fused to each other. Specifically, For example, low density polyethylene, medium density polyethylene, high density polyethylene, linear low density polyethylene, polypropylene, ethylene-vinyl acetate copolymer, ionomer-resin, ethylene-acrylic acid copolymer, ethylene-ethyl acrylate copolymer Films or sheets of resins such as ethylene-methacrylic acid copolymers, ethylene-propylene copolymers, methylpentene polymers, polybutene polymers, acid-modified polyolefin resins, and the like can be used. As the thickness of the film,
10 μm to 300 μm, preferably 20 μm to 100 μm. By the way, in the present invention, the heat-sealable film as described above may be the same kind as the peeling layer forming the laminate A or different kinds of films from each other on the facing surface when forming the bag. It can be used in combination. In the present invention, as will be described later, these combinations must adjust the adhesiveness of the easily-openable temporary adhesive portion so that the temporarily-openable temporary adhesive portion can be easily peeled off.

By the way, in the present invention, a packaging bag for filling and packaging various articles is usually subjected to severe physical and chemical conditions. Strict packaging suitability is required for the material, deformation prevention strength, drop impact strength, pinhole resistance, heat resistance,
Various conditions such as hermeticity, quality maintenance, workability, hygiene, etc. are required. Therefore, in the present invention, in addition to the above materials, the above various conditions are satisfied. Other materials can be used in any combination.

For example, in the present invention, a material having a property of blocking light such as sunlight or a property of not transmitting water vapor, water, gas, etc. can be used. Alternatively, it may be a composite substrate formed by combining two or more types of substrates. Specifically, for example, a resin film having an aluminum foil having a light-shielding property and a barrier property or a vapor-deposited film thereof, a silicon oxide film having a barrier property, a resin film having a vapor-deposited film of an inorganic oxide such as aluminum oxide. Film or sheet of resin such as low-density polyethylene, medium-density polyethylene, high-density polyethylene, linear low-density polyethylene, polypropylene, ethylene-propylene copolymer, etc. Kneading a resin film or sheet such as polyvinylidene chloride, polyvinyl alcohol, saponified ethylene-vinyl acetate copolymer, etc., with a coloring agent such as a pigment, and other desired additives. It is possible to use films or sheets of various colored resins having light-shielding properties that are formed into films. Kill. These materials can be used alone or in combination of two or more. The thickness of the above-mentioned film or sheet is arbitrary, but is usually 5
μm to 300 μm, further 10 μm to 10
About 0 μm is desirable. Further, in the above, an aluminum foil having a thickness of about 5 μm to 30 μm, and an aluminum or inorganic oxide deposited film having a thickness of about 100 to 2000 mm can be used. In addition, as the resin film supporting the above-described vapor-deposited film, for example, a polyester film,
Polyamide film, polyolefin film, polyvinyl chloride film, polycarbonate film, polyvinylidene chloride film, polyvinyl alcohol film, saponified ethylene-vinyl acetate copolymer film,
Others can be used. In the above, when the resin film supporting the vapor deposition film becomes a laminated body or a bag, the resin film may function as a heat resistant substrate film.

In the present invention, in addition to the above-mentioned various resin films or sheets, specifically, other films such as cellophane, synthetic paper and the like can be used. . Further, in the present invention, the film or sheet may be any film such as an extruded film, an inflation film, or a coating film.

Next, in the above-mentioned present invention, a method for producing a laminate used for producing a bag body by using the above-mentioned materials will be explained. There are various methods as such a method. However, for example, a method for laminating a usual packaging material, specifically, a wet lamination method, a dry lamination method, a solventless dry lamination method, an extrusion lamination method, a T-die coextrusion molding method. Method, coextrusion lamination method, and the like. Thus, in the present invention, when performing the above-mentioned lamination, if necessary, a pretreatment such as a corona treatment or an ozone treatment can be performed on the film, and for example, an isocyanate-based (urethane) ), Polyethyleneimine-based, polybutadiene-based, organotitanium-based anchor coating agents, or polyurethane-based, polyacryl-based, polyester-based, epoxy-based, polyvinyl acetate-based, cellulose-based, and other laminating agents. A well-known anchor coating agent such as an adhesive for coating, an adhesive or the like can be used. In the present invention, in particular, as a co-extrusion film constituting the laminate A, a co-extrusion lamination method is used, and two or three materials are co-extruded to form a co-extrusion film having two or more layers. It can be a film.

Next, in the present invention, a bag constituting a bag for mixing contents will be described. As a bag-making method, a laminate produced by using the above-mentioned materials is used and co-pressed. The film surface, the heat-sealing film surface, and the like are made to face each other and bent, or two of them are overlapped, and the peripheral end portion of the outer periphery thereof is further,
Type, two-way seal type, three-way seal type, four-way seal type, envelope-sealed seal type, seal-sealed seal type (pyro-seal type), pleated seal type , Flat bottom seal type, square bottom seal type,
Easy-opening temporary adhesion for manufacturing a bag body by heat-sealing according to other heat-sealing forms and further dividing the bag body into two chambers or more at predetermined places of the bag body. And forming a part to produce a multiple bag for mixing. In addition, as the bag body, for example, a self-supporting packaging bag (standing pouch) or the like is also possible.

In the above, a method of heat-sealing the peripheral portion of the outer peripheral end portion when constructing the bag body and a method of providing an easily openable temporary adhesive portion for partitioning the bag body into two chambers or more As a method for heat sealing, known methods such as bar seal, rotary roll seal, belt seal, impulse seal, high frequency seal, ultrasonic seal, and the like are known. Can be done in any way. Thus, in the present invention, the condition for heat-sealing when providing the easy-opening temporary adhesive portion that divides the bag into two chambers or more is that the outer peripheral end of the bag is configured. Conditions for heat-sealing the peripheral area and its heat
Differences may be made in tosile temperature, pressure, heating / pressurizing time, etc., and the easily-openable temporary adhesive portion is formed under the condition that one or more conditions are relaxed. In particular, in the present invention, a strong seal portion and an easily-openable temporary adhesive portion are formed by using different kinds of films in combination as the films forming the facing surfaces forming the innermost layer surface of the bag. This has the advantage that the heat seal conditions to be adjusted can be easily adjusted. As described above, in the present invention, as the heat seal condition, the condition for heat seal when providing the strong seal portion in the peripheral portion of the outer peripheral end portion when forming the bag body, The condition of heat-sealing when providing the easily openable temporary adhesive part that divides the bag into two or more chambers is changed, and the latter easily openable temporary adhesive part is relaxed under the condition relaxed from the former condition. It is characterized in that the easily-openable temporary adhesive portion is formed as a weak seal portion as compared with the seal portion at the peripheral portion of the outer peripheral end portion.

In the present invention, in the bag for mixing contents described above, the seal strength of the peripheral portion of the outer peripheral end can be easily made stronger than the seal strength of the easy-open temporary adhesive portion. As a result, the easy-opening temporary adhesive portion does not peel off due to the impact of a drop, and the contents do not mix before use, and when the easy-opening temporary adhesive portion is peeled off during use, the When the pressure of the contents is applied to the strong seal part of the peripheral part, the strong seal part of the peripheral part of the outer peripheral edge part is peeled off, and the contents are mixed without jumping out of the bag. Is something that can be done. Thus, in the present invention, in the above-mentioned bag for mixing contents, what is the difference between the seal strength of the peripheral portion of the outer peripheral end and the seal strength of the easy-open temporary adhesive portion? What is better is the type of packaging material, packaging form, bag size, filling amount of contents, shape of the easy-open temporary adhesive part, distribution form such as the presence or absence of an outer box, and physical tests such as drop test and mixing test. As a result of various examinations on the dynamic load, the seal strength of the peripheral portion of the outer peripheral end is more than the seal strength of the easy-open temporary adhesive portion.
If the condition of at least 500 g / 15 mm or more is satisfied, it is possible to prevent mixing before use and jumping out of the contents during use. Then, specifically, how much the difference between the seal strength of the peripheral portion of the outer peripheral end and the seal strength of the easy-open temporary adhesive portion should be set is actually tested by a prototype. It should be decided according to each case.

By the way, in the present invention, the seal shape of the strong seal portion and the seal shape of the easy-open tentative adhesion portion provided in the peripheral portion of the outer peripheral end portion are as shown in the above-mentioned drawings. Although it may be a straight line having a predetermined seal width, in addition to the above, by making an arbitrary seal shape according to the kind of contents to be filled and packaged, the easy-open property and the easy peeling property of the temporary adhesive portion can be obtained. 7 to 12 show the seal shapes of the strong seal portion provided in the peripheral portion of the outer peripheral end portion and the easy-open temporary adhesive portion in the bag for mixing contents according to the present invention. It is a top view showing a few examples. As shown in FIG. 7, the strong seal portion 7 provided in the peripheral portion of the outer peripheral end portion has a linear shape having a predetermined seal width, while the easy-open temporary adhesion portion 8 has a predetermined seal portion.
It has a width and is V-shaped. Thus, in the bag for mixing contents as described above, the portion of the V-shaped protrusion 11 is used as the starting point of the easy peeling property.

Next, as shown in FIG. 8, as in the case of FIG. 7, the strong seal portion 7 provided in the peripheral portion of the outer peripheral end portion is formed into a linear shape having a predetermined seal width. And on the other hand,
The easy-open temporary adhesive portion 8 is formed into a linear shape having a predetermined seal width, and V is further provided at a predetermined position of the linear seal portion.
A character-shaped notch 12 is provided. Thus, in the bag for mixing contents as described above, the seal width of the V-shaped notch portion 12 becomes narrow, so that the seal strength of this portion is the same as that of the other portion. It is weaker than the tensile strength, and therefore this portion serves as the starting point of the easy peeling property.

Next, as shown in FIG. 9, the strong seal portion 7 provided in the peripheral portion of the outer peripheral end portion is provided in the above-mentioned FIG. 7 and FIG.
As shown in FIG. 5, the line seal portion 7'is not a solid seal portion, while the easy-open tentative adhesive portion 8 is a linear one having a predetermined seal width. . Thus, in the bag for mixing contents as described above, it is illustrated that the strong seal portion can be configured even if the peripheral portion of the outer peripheral end portion is used as the line seal portion 7 '.

Next, as shown in FIG. 10, a strong seal portion 7 provided at the peripheral portion of the outer peripheral end portion is provided with a predetermined seal width in the same manner as that shown in FIGS. 7 and 8. On the other hand, the easy-opening temporary adhesive portion 8 is provided with a predetermined seal.
A straight line having a width
A V-shaped notch 12 is provided at a predetermined position of the base portion at two positions, and the bag is divided into three bags, a left bag, a center bag, and a right bag. As a result, three types of contents can be filled and packaged.

Next, as shown in FIG. 11, a strong seal portion 7 provided at the peripheral portion of the outer peripheral end portion is provided with a predetermined seal width in the same manner as that shown in FIGS. 7 and 8. And a strong seal portion 7 similar to the strong seal portion 7 provided in the peripheral portion of the outer peripheral end portion is provided at a predetermined position where the bag body is divided into three, and the other The easy-opening temporary adhesive portion 8 is a linear one having a predetermined seal width at the other location where the bag body is divided into three, and the predetermined location of the linear seal portion is further provided. The one provided with the V-shaped notch 12,
It is divided into three bags, left, center and right. Thereby, three kinds of contents can be filled and packaged, and the two kinds of contents can be mixed and used.

Further, as shown in FIG. 12, the strong seal portion 7 provided on the peripheral portion of the outer peripheral end portion has a predetermined seal width as in the case shown in FIGS. 7 and 8. On the other hand, the easy-opening temporary adhesive portion 8 is provided with a predetermined seal.
The zigzag shape 13 has a width. Thus, in the bag for mixing contents as described above, it is not necessary to position the seal for providing the seal portion, and the protruding portion of the zigzag shape 13 serves as the starting point of easy peeling. To do.

In the present invention as described above, the forming position, shape, size, etc. of the strong seal portion at the peripheral portion of the outer peripheral end portion and the easily-openable temporary adhesive portion are the contents to be filled and packed, It can be arbitrarily changed depending on the material constituting the bag body, and for example, as the forming position, if two chambers can be formed in the bag body and different types of contents can be filled and packaged, It may be formed on any part of the body, and the size, length, line width, etc. of the seal part constituting the easy-opening temporary adhesion part can be arbitrarily changed.
It can be provided at any place other than the strong seal part of the bag body, and intersects any side such as the top, bottom, left and right of the bag body to form the easily peelable temporary adhesion part. It can also be formed.

Next, in the present invention, a method of filling and packaging the contents in the bag body will be described. When the bag body is manufactured, for example, an unheated seal portion is provided around the outer peripheral end portion. To form an opening, and from the opening of the bag, for example,
Fill different chambers with different kinds of foods that can be mixed and eaten, or chemical products that are used by mixing two components immediately before use, and further heat seal the opening to seal the seal. Once formed, the bag for mixing contents according to the present invention can be manufactured. In the present invention, when filling and packaging the contents in each of the two chambers, if the contents are weighed and filled and packaged before filling, the use thereof is simply easy to open. Since the bag body can be opened and the mixed contents can be taken out and used simply by peeling off the temporary adhesive portion and mixing in the bag body, there is an advantage that the handling is extremely simple.

[0032]

The present invention will be described more specifically with reference to the following examples. Example 1 A composite film D was prepared by sticking a 30 [mu] m-thick easily openable heat-fusible plastic film to a 12 [mu] m-thick stretched polyethylene terephthalate film. The easily-openable heat-fusible plastic film is a polypropylene film having a thickness of 24 μm on the surface to be bonded to the polyethylene terephthalate film, and an ethylene-acetic acid film having a thickness of 6 μm on the opposite heat-bonding layer side. The thing which consisted of the co-extrusion film used as the vinyl-copolymer film was used. On the other hand, a composite film E was prepared by adhering a polypropylene film having a thickness of 30 μm to a stretched polyethylene terephthalate film having a thickness of 12 μm. next,
The above-mentioned composite film D and composite film E were superposed with the ethylene-vinyl acetate copolymer film surface and the polypropylene film surface facing each other, and the heat fusion was performed for 1K.
When performed at a pressure of g / cm ² for 1 second, when the temperature is 140 ° C., the seal strength is about 1 Kg / 15 mm, which results in easy-open heat fusion, and at 200 ° C., the seal strength is about 3 Kg / 15 m.
It became a strong heat fusion bond of m. Therefore, the above composite film D
And the composite film E are overlapped so that the ethylene-vinyl acetate copolymer film surface and the polypropylene film surface are opposed to each other, and first, the two opposite sides of the outer edge forming the bag body have a seal width of 10 mm × 1 Kg / cm ² × 1 second × 200
Each side of the seal is linearly sealed under the condition of heat fusion at ℃ to form a strong seal portion by strong heat fusion to form an empty bag.
The central portion of the empty bag is sealed with a seal width of 5 mm × 1 kg / cm ² ×
Under the heat-sealing condition of 1 second × 140 ° C., the seal is linearly sealed to form a seal portion corresponding to an easily-openable temporary adhesive portion that becomes the easily-openable heat-sealing, and two openings are formed. A bag body having two compartments was manufactured. Next, in each of the chambers of the bag body partitioned into two chambers having the two openings produced above, the main component of the epoxy-based two-component curable adhesive was introduced from one of the openings, and the other from the other opening. Equal weight of the adhesive curing agent is filled, and then the two openings of the bag are 10 mm × 1 Kg / cm.
^The mixture was linearly sealed under the condition of ² × 1 second × 200 ° C. to form a strong seal portion by strong heat fusion to produce a double bag for mixing. Here, the seal width of the outer peripheral end portion is set to 10 mm and the bag partition seal width is set to 5 mm, because the peeling distance of the bag partition is shortened by shortening the peeling distance of the bag partition, and at the time of use. This is to prevent the contents from jumping out even if some bite of the contents into the seal portion of the outer peripheral end occurs. When the adhesive filling part of the double bag for mixing produced above was strongly pressed by hand, it was peeled off at the part of the seal part which becomes the above-mentioned easy-to-open heat fusion, and the main ingredient packed and packaged. The curing agent and the curing agent were mixed in the bag body, and by further rubbing the bag body by hand, the main agent and the curing agent could be sufficiently mixed. During that time, the bag did not burst. After thoroughly mixing as described above, the corners of the bag body were cut off and the bag body was pressed by hand to take out the adhesive, and it was possible to use it.

Example 2 The composite films D used in the above Example 1 were superposed with their ethylene-vinyl acetate copolymer resin surfaces facing each other, and heat-sealed at a pressure of 1 Kg / cm ² for 1 second. When the temperature is 140 ° C, the seal strength is about 500.
The heat-sealing property was g / 15 mm, which was easy to open, and when the temperature was 200 ° C., the heat-sealing property was about 2.5 kg / 15 mm. Therefore, the composite film D used in Example 1 above
And the ethylene-vinyl acetate copolymer resin surfaces thereof are faced to each other and laminated, and the same procedure as in Example 1 above is carried out.
The outer edge of the bag has a seal width of 10 mm × 1 kg / cm ² × 1 second ×
Seal under heat fusion conditions at 200 ° C and seal each side in a straight line.
To form an empty bag by forming a strong seal portion by strong heat fusion, and further, the central portion of the empty bag has a seal width of 5 mm × 1 kg.
/ Cm ² × 1 second × 140 ° C under a heat-sealing condition to linearly seal to form a seal portion corresponding to an easily-openable temporary adhesive portion that becomes an easily-openable heat-fusion. A bag body having two compartments with two openings was manufactured. Then, in the same manner as in Example 1 above, the main component of the epoxy-based two-component curable adhesive was filled from one of the openings, and the curing agent of the adhesive was filled from the other opening in equal weights. , The two openings of the bag body 10mm
A double seal bag for mixing was manufactured by linearly sealing under a heat-sealing condition of × 1 Kg / cm ² × 1 second × 200 ° C to form a strong seal portion by strong heat-sealing. When the adhesive filling portion of the double-bag for mixing manufactured as described above was strongly pressed by hand to perform a mixing test, the same effect as that of Example 1 was obtained.

Example 3 In Example 1 described above, the portion of the seal portion which is easily opened and heat-sealed is a straight line parallel to the contents filling opening in the peripheral portion of the outer peripheral end of the bag body. Therefore, the force of the finger pressed by the hand and required for peeling has to be very large. In order to improve this, in place of the linear seal part of the seal part which is the easily openable heat-sealing of the above-mentioned Example 1, the seal has a V-shaped seal part shape. Then, a V-shaped seal portion corresponding to an easily-openable temporary adhesive portion which is an easily-openable heat-sealing portion is formed. Other than that, a mixing bag is prepared in the same manner as in Example 1 above. It was manufactured (see FIG. 7). With the above V-shaped seal portion, the partition could be peeled off with a lighter force. The sharper the V-shaped angle is, the easier it is for the partition to be peeled off. However, in some cases, the V-shaped angle may be easily peeled off due to some impact in the distribution process. It was necessary to set it considering the filling amount of the contents.

Example 4 In Example 3 above, the V-shaped seal was a seal bar.
Since it has a special shape and cannot be said to be suitable for a general packaging and filling machine, a part of the beta seal bar was cut into a V shape, and the above-mentioned Example 3 was prepared. As a result of performing the same test as described in 1 above, the same effect as in Example 3 was obtained in this case as well (see FIG. 8).

Example 5 In Examples 1, 2 and 3 above, the sealing of the peripheral portion of the outer peripheral edge was carried out by using a solid seal bar, but the seal of the seal bar was used. As a result of using two line seals having a width of 2 mm, the seal pressure was 2.5 Kg / cm ² while the seal time was 1 second, and the seal temperature was 16
It was possible to form a strong seal portion that was completely heat-sealed at 0 ° C. (see FIG. 9). By lowering the seal temperature, there were few wrinkles after the seal and the bag had a good appearance.

Example 6 In Example 1 described above, instead of having only one seal portion which is easily opened and heat-sealed, two seal portions which are easily opened and heat-sealed are provided. A mixing bag capable of being filled and packaged with three kinds of substances was manufactured (see FIG. 10).
As the seal bar, one obtained by cutting a part of the solid seal bar in the above-mentioned Example 4 into a V shape was prepared, and this was used to form the seal portion. The bag for mixing produced as described above could easily mix any two kinds of substances including the central substance among the three kinds of substances. By increasing the number of seal parts that are easily opened and heat-sealed, various kinds of substances can be mixed.

Example 7 In the above-mentioned Example 1, instead of having one portion of the seal portion which is easily opened and heat-sealed, one seal portion which is easily opened and heat-sealed is provided. A mixing bag capable of filling and packaging three kinds of substances by providing one strong seal part similar to the strong seal part which is a complete heat-sealing part constituting the peripheral part of the outer peripheral end The body was manufactured (see Figure 11). As the seal bar for forming the seal part which is easily opened and heat-sealed, a part of the solid seal bar in the above-mentioned Example 4 was cut into a V-shape, which was prepared. Was used to form the seal. The mixing bag produced as described above could be filled with two kinds of substances to be mixed and one kind of substance not to be mixed in one bag. Considering the heat-sealing method of the partition and the number and the positional relationship between the strong seal part which becomes the complete heat-sealing and the seal part which becomes the easily openable heat-sealing, a plurality of substances to be mixed are desired. It is possible to separate substances that you want to mix.

Embodiment 8 In Embodiments 3 and 4 above, the shape of the seal portion which is easily opened and heat-sealed requires the vertical and horizontal positioning of the partition seal, which is mechanically complicated. However, by making the shape of the seal part that is easily opened and heat-sealed into a zigzag shape, the positioning direction of the partition seal can be set to only one direction, vertical or horizontal, Manufacturing is greatly facilitated (see FIG. 12). By making the shape of the seal portion which is heat-sealed easily into a zigzag shape, the corner portion becomes the starting point of peeling of the seal portion, and the same effect as that of the above-mentioned embodiment was obtained.

Example 9 The composite films D used in Example 1 above were superposed with their ethylene-vinyl acetate copolymer resin surfaces facing each other, and heat-sealed at a pressure of 1 kg / cm ² for 1 second. When the temperature is 140 ° C, the seal strength is about 500.
The heat-sealing property was g / 15 mm and was easy to open. Therefore, the composite film D used in Example 1 above
The ethylene-vinyl acetate copolymer resin surfaces were overlapped with each other, and the outer edge of the bag was sealed with a seal width of 10 mm × 1 Kg / cm ² × 1 second × 155 ° C. in the same manner as in Example 1 above.
Under heat-sealing conditions, each side is linearly sealed to form a strong seal portion by strong heat-sealing to form an empty bag, and further, a central portion of the empty bag. Seal width 5 mm x 1 kg / cm
^Under the heat-sealing condition of ² × 1 second × 140 ° C., a seal portion corresponding to the easily-openable temporary adhesive portion forming the partition portion is formed by linearly sealing to form an easily-openable heat-sealing material. Thus, a bag body divided into two chambers having two openings was manufactured. Next, in the same manner as in Example 1 above, the okonomiyaki powder was filled from one of the openings and an appropriate amount of water was filled from the other opening, and then the two openings of the bag body were filled with 10 mm × 1 Kg / cm. ² x 1 second x
A double seal bag for mixing was manufactured by linearly sealing under a heat fusion condition of 155 ° C. to form a strong seal portion by complete heat fusion.
When the mixing test was carried out by strongly pressing the water-filled portion of the double-bag for mixing manufactured above by hand, the same effect as in Example 1 was obtained. In the above, since the difference in the seal strength between the strong seal portion at the peripheral portion of the outer peripheral end of the bag and the easy-open temporary adhesive portion is small, the easy-open temporary adhesive portion is peeled off. Although the phenomenon of peeling of the strong seal part was also seen before, as a result of repeatedly testing a large number of prototypes, the seal between the strong seal part in the peripheral part of the outer peripheral edge and the easy-open temporary adhesive part -The difference in the strength of the seal is limited to 500 g / 15 mm tested in this example, and if the difference in the above-mentioned seal is less than this, it is not suitable as a bag for mixing contents.

[0041]

As is apparent from the above description, the present invention focuses on the heat-sillable film on the innermost layer surface constituting the bag body, and peels off at least the heat-seal surface on the innermost layer. Layer and an easily openable co-extrusion film having two core layers, which are inner layers of the release layer, are used. By adjusting the heat seal conditions, the heat between release layers on the heat seal surface is controlled. -Easy adjustment of two types of sealing methods: easy-opening temporary adhesion by a toe seal and strong sealing between inner core layers of the release layer, so that each chamber is sufficiently filled at the time of distribution. It is possible to manufacture a multiple bag for mixing in which the temporary adhesion portion is peeled off during use and different kinds of contents can be mixed.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an example of a layer structure of a laminate used for manufacturing a bag body that constitutes a bag for mixing contents according to the present invention.

FIG. 2 is a cross-sectional view showing an example of a layer structure of a laminate used for manufacturing a bag body that constitutes the bag for mixing contents according to the present invention.

FIG. 3 is a plan view showing an example of the structure of a bag for mixing contents according to the present invention using the laminate shown in FIGS. 1 and 2.

FIG. 4 is a schematic sectional view showing a structure of a strong seal portion in XX ′ of the bag for mixing contents shown in FIG.

5 is a schematic cross-sectional view showing the structure of an easily-openable temporary adhesive portion in YY 'of the bag for mixing contents shown in FIG.

FIG. 6 is a schematic cross-sectional view showing a state in which the easily-openable temporary adhesive portion is peeled off in the bag for mixing contents shown in FIG.

FIG. 7 is a plan view showing an example of a seal shape of a strong seal portion in the peripheral portion of an outer peripheral end portion and an easily openable temporary adhesive portion in the bag for mixing contents according to the present invention.

FIG. 8 is a plan view showing an example of a seal shape of a strong seal portion in the peripheral portion of the outer peripheral end portion of the bag for mixing contents according to the present invention and an easily openable temporary adhesive portion.

FIG. 9 is a plan view showing an example of a seal shape of a strong seal portion in the peripheral portion of the outer peripheral end portion and an easily openable temporary adhesive portion in the bag for mixing contents according to the present invention.

FIG. 10 is a plan view showing an example of the seal shape of the strong seal portion at the peripheral portion of the outer peripheral end portion and the easily openable temporary adhesive portion in the bag for mixing contents according to the present invention.

FIG. 11 is a plan view showing an example of a seal shape of a strong seal portion in the peripheral portion of the outer peripheral end portion of the bag for mixing contents according to the present invention and an easily openable temporary adhesive portion.

FIG. 12 is a plan view showing an example of a seal shape of a strong seal portion at a peripheral portion of an outer peripheral end portion of the bag for mixing contents according to the present invention and an easily openable temporary adhesive portion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Base film 2 Release layer 3 Core layer 4 Easy-release co-extrusion film 5 Adhesive layer 5'Adhesive layer 6 Heat seal film 7 Strong seal part 8 Easy-open temporary adhesive part 9 Contents 10 Contents A laminate B laminate C double bag for mixing

Claims (7)

[Claims] 1. An easily-openable temporary adhesive portion for forming a bag body by providing a strong seal portion around the outer peripheral end portion and partitioning the bag body into two or more chambers. The contents of another kind are provided in two or more chambers each of which is provided and partitioned by the easy-open temporary adhesion part, and the easy-open temporary adhesion part is peeled off at the time of use to separate the contents of the other kind. Is a multi-bag for mixing capable of mixing, and the innermost layer of the laminate constituting the multi-bag has two layers of at least a release layer on the heat seal surface and an inner core layer of the release layer. A bag for mixing contents, which is composed of an easily-openable co-pressed film having 2. The easily-openable co-pressed film has the same kind or the same heat seal surface as the core layer of the easily-openable co-pressed film on the opposing surfaces constituting the multi-layered bag. The bag for mixing contents according to claim 1, wherein the bag is made of different kinds of films. 3. A laminated body constituting a multi-layer bag body, from the outside to the inside, at least a base film and an easily-openable co-press film, or a base film, a gas barrier film and an easily-openable film. The bag for mixing contents according to claim 1 or 2, wherein the bag is made of a laminate in which push films are sequentially laminated. 4. A heat-sealing condition relaxed at one or more of temperature, pressure and time as compared with a heat-sealing condition in which a strong seal portion is provided around the outer peripheral edge. The bag-like body is provided with an easily-openable temporary adhesive portion which is divided into two chambers or more, and the bag is provided with an easily-openable temporary adhesive portion.
A bag for mixing the contents described in. 5. The bag is provided with an easily-openable temporary adhesive portion which is divided into two or more chambers, and is a strong seal around the outer peripheral edge of the bag.
5. The bag for mixing contents according to claim 1, 2, 3 or 4, wherein the bag is provided at an arbitrary position other than the base portion. 6. The strong seal portion at the peripheral portion of the outer peripheral edge portion is at least 500 g / in comparison with the seal strength of the easily openable temporary adhesive portion.
The bag for mixing contents according to claim 1, 2, 3, 4, or 5, wherein the bag is provided with a difference of 15 mm or more. 7. The easily-openable temporary adhesive portion is provided on at least a part of a boundary line that defines the bag body, at any of an upper end portion, a lower end portion, a left end portion, or a right end portion of a peripheral portion of an outer peripheral end portion of the multiple bag body. Claims 1 and 2 above, characterized in that they are not parallel
The bag for mixing contents described in 3, 4, 5 or 6.