JP6439372B2 - container - Google Patents

Description

  The present invention relates to an instant food container for use in instant soups in which a pouch and a paper sleeve are combined.

  Instant foods form a market by commercializing various foods. In particular, products with tableware such as cup noodles are bulky and require a large space for display, as can be seen in supermarkets. On the other hand, although there is no big problem in the display space for the products in the pouch form, cooking utensils and tableware are often required after reaching the consumer's hands.

  On the other hand, a container combining a pouch and a paper sleeve has also been proposed. The combination of folded paper sleeves and pouches is a high temperature required for an instant soup container, although the problem of preparing dishes and bulkiness in each scene is solved to assemble as tableware when cooking with hot water. The actual situation is that no consideration is given to the resistance to heat, the heat insulation of the container, and the method of combining the pouch and the sleeve.

  For example, when hot water is added as a container for instant food such as instant soup, a heat insulating mechanism that can be held with bare hands is required. Further, it has been pointed out that the hot melt adhesive used when combining the pouch and the paper sleeve is softened due to the influence of high temperature and the container is decomposed.

Japanese Utility Model Publication No. 1-8502 Utility Model No. 3-93414

  The present invention has been made in view of such circumstances, and in a container combining a pouch and a paper sleeve for an instant food such as soup, the container is not bulky and can be held by hand even when the contents are hot. It is an object of the present invention to provide a container that has a heat insulating property that can be produced and that does not impair the adhesion of the pouch and the paper sleeve at high temperatures.

As means for solving the above problems, the invention according to claim 1 is a collapsible container configured by inserting a pouch having a plastic film as a base material into a paper sleeve and adhering them to each other, And a container of instant food that is poured into hot water and cooked,
The sleeve has two side portions and a bottom portion, and the two side portions are connected to each other with the bottom portion interposed therebetween, and the two side portions are finger hook portions on both side edges, respectively. Have
The finger rests are bonded by a hot melt adhesive,
The side portion of the sleeve and the trunk portion of the pouch are bonded with both a hot-melt adhesive and an emulsion adhesive separately applied,
The finger hook is a container that is located away from the pouch .

In the invention according to claim 2, the side surface portion of the sleeve and the pouch are bonded with both a linear hot melt adhesive and an emulsion adhesive linearly provided on both sides thereof. a container according to claim 1, characterized in that there.

According to the present invention, in a container combining a pouch for instant food and a paper sleeve, the container is not bulky and has heat insulation that can be held by hand even when the contents are high temperature. It becomes possible to provide a container which does not impair the adhesiveness of the sleeve at a high temperature.

  According to the second aspect of the present invention, it is possible to provide a container that can be easily held by hand even when hot water is poured and the content is high.

  Further, according to the invention of claim 3, it is possible to provide a container in which the pouch and the paper sleeve are not decomposed even when the contents are high temperature.

FIG. 1 is a developed plan view of an embodiment of a paper sleeve according to the present invention, as viewed from a surface on the inside of a container. FIG. 2 is a schematic plan view of an embodiment of the appearance of the pouch according to the present invention. FIG. 3 is a schematic plan view of an embodiment showing a folded state by combining a paper sleeve and a pouch according to the present invention. FIG. 4 is an assembly schematic diagram showing the movement of a container combining a paper sleeve and a pouch according to the present invention when the container is used in a three-dimensional state. FIG. 5 is a schematic plan view showing an application portion of an adhesive used in the paper sleeve of one embodiment according to the present invention. FIG. 6 is a schematic plan view showing another embodiment of the application portion of the adhesive used in the paper sleeve of one embodiment according to the present invention.

Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to FIGS.
The present invention is a combination of the paper sleeve shown in FIG. 1 and the pouch shown in FIG. 2, and the folded state as shown in FIG. It is a container that can be used as a container for edible food.

  An adhesive is used to integrate the sleeve and the pouch. In the present invention, a hot-melt adhesive and an emulsion adhesive are used in combination as shown in FIG. The hot melt adhesive is used in a state melted by heat. For this reason, since the adhesive force is quickly developed by cooling, the initial adhesive force is large, so that it is easy to use and has high productivity. On the other hand, it has a property of being softened by heat, such as when heat from hot water is propagated.

  In the other emulsion-based adhesive, after the water in the emulsion disappears due to aging or heating, the emulsion becomes a resin and develops adhesive strength. Therefore, the initial adhesive strength is weaker than that of hot melt adhesives, but once bonded, there is a feature that softening due to heat such as hot water does not occur.

  In the present invention, by using both a hot-melt adhesive and an emulsion-based adhesive, a container is provided that does not impair the initial adhesion and does not impair the adhesiveness of the pouch and the paper sleeve at high temperatures. It becomes possible to do.

  FIG. 1 is a developed plan view of an embodiment of a paper sleeve according to the present invention, as viewed from the inner surface of a container. Paper is used for the sleeve, but the type of paper is not particularly limited, and may be appropriately selected in consideration of the thickness, strength, and heat insulating properties of a container such as paperboard. In addition, when printing is required on the sleeve surface, it is desirable to select it in consideration of printability.

In the embodiment shown in FIG. 1, the sleeve (1) has two side parts (2) and a bottom part (3), and the two side parts (2) are interposed between the bottom parts (3). Connected to each other. Each of the two side surfaces (2) has a finger hook portion (4) on both side edges thereof. Further, the bottom (3) has a straight valley fold line at the center, and the two side parts (2) can be overlapped with each other by folding the sleeve in two at the valley fold line. The finger hooks (4) (A and A ′ and B and B ′ in FIG. 2) overlapped with each other are bonded to each other. When the two side parts (2) are overlapped with each other by folding in two, the bottom part (3) is located at the bottom of the container, and the opposite side is the opening of the container. A pouch is sandwiched between the two side surfaces (2) overlapped with each other. The opening of the pouch is also located on the side opposite to the bottom.

  The sleeve can be formed using, for example, a punching machine, and is created by providing these fold lines and valley fold lines to the punched one. In addition, a mountain fold line and a valley fold line are things when it sees from the container inner side in the state of FIG.

  The side surface (2) is provided with four valley fold lines (6) extending from the opening toward the bottom (3), and is integrated with the pouch and then used as a three-dimensional container. In the assembling, a valley fold is formed when viewed from the inside of the container to form a corner ridgeline of the four-sided body portion.

  A depression (5) is provided in the finger hook (4). The shape of the recess (5) may be any shape that can be easily put on a finger or pinched with a finger and can be conveniently used as a cooking container and tableware for instant food such as soup. The finger hook part fold line (9) is provided between the finger hook part (4) and the side part, and after the sleeve and the pouch are integrated, the three-dimensional assembly of the integrated container when used for cooking and food use , A mountain fold is formed to form a finger hook portion of the container.

  When used as a cooking container and tableware for instant food such as soup, the container can be held or pinched with fingers using the finger hook (4). By this finger hook (4), even when hot water is poured for cooking, heat is not transmitted directly to the hand, and the container can be held by hand.

  FIG. 2 is a schematic plan view of an embodiment of the appearance of the pouch according to the present invention. The pouch (10) is formed into a bag shape by laminating a plastic film as a base material with a gas barrier layer or the like and providing a sealant layer as an outermost layer. The plastic film of the base material constituting the pouch is not particularly limited, but can be appropriately selected as a pouch in consideration of mechanical strength, price, etc. For example, a polypropylene film, a polyethylene terephthalate film or the like is preferably used. be able to.

  In addition to the film, for example, the outermost sealant layer is a polypropylene or polyethylene resin layer, which may be laminated and laminated using a film, or may be laminated by an extruder.

  When food is used as the contents, gas barrier properties are often required. In that case, a gas barrier layer can be laminated on the pouch. For example, a metal foil such as an aluminum foil can be laminated and laminated on the gas barrier layer.

  Moreover, when it is inconvenient to use metal foil, a gas barrier film can be used instead of using metal foil. A gas barrier film consists of a base film and a gas barrier layer. As the gas barrier layer, an inorganic compound layer may be provided on the base film by a vapor deposition method, and further an inorganic compound layer may be provided in an overlapping manner by a coating method.

The pouch is stacked with the sealant layers facing each other, pressed and heated, and heat-welded to form a bag. At this time, the bottom portion is processed into a shape folded as a pouch bottom portion (11), but the pouch bottom portion (11) can be formed using a bottom tape made of the same laminate as the pouch. By making the bottom tape hexagonal, the pouch can increase the area of the opening of the pouch when the container is assembled into a three-dimensional shape. Also, the pouch has a hexagonal shape that follows the sleeve shape. It is possible to

  FIG. 3 is a schematic plan view of an embodiment showing a folded state by combining a paper sleeve and a pouch according to the present invention. FIG. 3 is a schematic plan view of a state in which a pouch is sandwiched and integrated between two folded sleeves. The sleeve and the pouch are integrated by an adhesive.

  At this stage, instant food such as soup is contained in a pouch as a content and sealed. Since the pouch and the sleeve are both folded flat in this state, they are convenient in terms of space saving and handling in various situations such as manufacturing, distribution, inventory, and sales.

  After filling the contents (12), the pouch mouth portion is sealed by, for example, heat sealing, and can be provided with a notch for opening or a scheduled cut line (13) as necessary.

  FIG. 4 is an assembly schematic diagram showing the movement of a container combining a paper sleeve and a pouch according to the present invention when the container is used in a three-dimensional state. Using the planned cut line (13) shown in FIG. 3, the mouth of the pouch is cut to create an opening.

  The container is assembled in three dimensions in order to pour hot water and cook and edible. Push the finger hook part (4) from both sides in the direction of the side part assembly arrow (20) and the side part assembly arrow (21) to fold the finger hook part fold line (9) as viewed from the inside of the container. Four valley fold lines (6) are valley-folded when viewed from the inside of the container to form a quadrangular cylinder body. At this time, since the sleeve and the pouch are integrated using an adhesive, the inner pouch can be three-dimensionalized and used as a container following the three-dimensionalization of the sleeve.

  The bottom (3) of the sleeve pushes the finger hook mountain fold line (9) from both sides to form a quadratic cylinder. At the same time, the valley-folded portion is opened and the bottom is expanded. By pushing the bottom (3) further in the direction of the bottom assembly arrow (22), the bottom (3) of the sleeve forms an arch shape to support the pouch. As a result, the bottom of the pouch is stably supported by the bottom (3) of the sleeve. As a result, even if hot water is poured in, the bottom can be supported and the shape of the container can be maintained even if the load is applied to the bottom.

  FIG. 5 is a schematic plan view showing an application portion of an adhesive used in the paper sleeve of one embodiment according to the present invention. According to the present invention, both the hot-melt adhesive and the emulsion adhesive are used together for bonding between the pouch and the paper sleeve (1), and FIG. 1 shows an embodiment of separate coating for applying an adhesive. FIG. 6 is a schematic plan view showing another embodiment of the application portion of the adhesive used in the paper sleeve of one embodiment according to the present invention.

  The hot melt adhesive is not particularly limited. For example, from the viewpoint of ethylene vinyl alcohol (EVA) adhesive, rubber hot melt adhesive, etc., in addition to the adhesive strength, the melting temperature and viscosity are taken into consideration. Can be selected as appropriate.

  Although it does not specifically limit as an emulsion adhesive, For example, an acrylic-vinyl acetate copolymer adhesive can be selected in consideration of the adhesive strength between a plastic film and paper.

The finger hook portion (4) is a portion where the finger hook portions (4) are bonded to each other, and is not a portion that directly contacts a pouch that is heated by pouring hot water. ) Can be used.

  Since the body portion (14) is a portion where the sleeve and the pouch are in contact with each other, an emulsion adhesive (8) is used. By using an emulsion-based adhesive, even when heat from hot water propagates to the adhesive part, the adhesive has heat resistance and does not soften with heat, so there is no risk of the container being decomposed.

  When a sleeve and a pouch are integrated with an adhesive to form a container, the hot melt adhesive has higher initial adhesive strength and is more convenient and more productive. By providing the region using the system adhesive, the heat resistance of the container can be secured without impairing the productivity.

  As a pattern for separately applying both the hot melt adhesive and the emulsion adhesive, any pattern such as the pattern shown in FIG. 6 can be selected in addition to the pattern shown in FIG.

  Hereinafter, the present invention will be described in more detail with reference to examples, but the present invention is not limited thereto. The material composition, manufacturing procedure, evaluation method, and evaluation result will be described in detail below.

  For the sleeve, paper having a basis weight of 310 g (coated cardboard) was used. A sleeve having the shape shown in FIG. 1 was formed by punching to provide a fold line.

The pouches were laminated in this order with the following material structure to create a laminate and bag making.
・ Base film: Polyethylene terephthalate film (Toyobo Co., Ltd .: thickness 12 μm, no external corona treatment)
Barrier layer: aluminum foil (thickness 9 microns)
-Sealant layer: Low density linear polyethylene (thickness 60 μm)
Were stacked and processed into a pouch with a hexagonal bottom tape.

  A hot melt adhesive ZM808 made of EVA resin manufactured by Henkel Japan was used as the hot melt adhesive, and an acrylic-vinyl acetate copolymer adhesive AV-650Y-6 manufactured by NHIEI KAKO was used as the emulsion adhesive. Then, the container was prepared by separately coating in the pattern shown in FIG. 5 and bonding the sleeve and the pouch.

  When the adhesive strength was confirmed immediately after bonding, it was confirmed that the bonding between ZM808 and paper was broken between the layers of the paper, and that the strength was sufficient.

  When adhesion with AV-650Y-6 was confirmed after the lapse of 2 days from the adhesion, breakage between the layers of the paper was confirmed, and it was confirmed that the strength was sufficient. In this state, hot water (100 ° C.) was poured into the pouch, and the adhesive strength with each of ZM808 and AV-650Y-6 was confirmed. ZM808 can be easily peeled between the polyethylene terephthalate film on the pouch surface and ZM808. On the other hand, AV-650Y-6 was confirmed to have sufficient strength because it was broken between the paper layers as before hot water was put in the pouch.

That is, with the hot melt adhesive ZM808, the adhesive strength immediately after bonding between the finger hook and the sleeve and the pouch that is not directly affected by the heat of the hot water is ensured. The result that the adhesive strength can be secured by -650Y-6 was obtained.

  As described above, according to the present invention, in a container for a soup or other instant food, which is a combination of a pouch and a paper sleeve, the container has a heat insulating property that is not bulky and can be held by hand even when the contents are hot. Thus, it was verified that it was possible to provide a container that did not impair the adhesion of the pouch and the paper sleeve at high temperatures.

DESCRIPTION OF SYMBOLS 1 ... Sleeve 2 ... Side surface part 3 ... Bottom part 4 ... Finger hook part 5 ... Indentation 6 ... Four valley fold lines 7 ... Hot-melt adhesive 8 ... Emulsion adhesive 9 ... Finger hook part fold line 10 ... Pouch 11 ... Pouch bottom part 12 ... Contents 13 ... Planned cutting line 14 ... Body part 20 ... Side part assembly Arrow 21 ... Side assembly arrow 22 ... Bottom assembly arrow

Claims (2)

It is a collapsible container constructed by inserting a pouch made of a plastic film as a base material into a paper sleeve and adhering to each other, and an instant food container for pouring hot water and cooking,
The sleeve has two side portions and a bottom portion, and the two side portions are connected to each other with the bottom portion interposed therebetween, and the two side portions are finger hook portions on both side edges, respectively. Have
The finger rests are bonded by a hot melt adhesive,
The side portion of the sleeve and the trunk portion of the pouch are bonded with both a hot-melt adhesive and an emulsion adhesive separately applied,
The container, wherein the finger-hanging portion is located away from the pouch . The said side part and pouch of a sleeve are adhere | attached with both the linear hot-melt-type adhesive agent and the emulsion-type adhesive agent provided in linear form on this both sides. Container.