JP6964320B2 - Food packaging - Google Patents

Description

The present invention relates to a package that wraps foods such as edamame and other snacks and confectionery in a sealed state, and in particular, a food package that can be used as a container for foods that are the contents after opening and can be eaten as it is.

Conventionally, a flat bag has been widely used as a packaging body for packaging foods such as snacks such as edible beans and peanuts and confectionery in a sealed state. After storing the food in this bag, the open end of the bag is heated. It is sealed with a seal and sold at stores such as supermarkets and convenience stores. In such a packaging bag, in order to eat the food that is the contents, after opening the package, put your hand in the packaging bag and put your hand in the food. It is necessary to pick up the food or transfer the food into a container such as a dish.

As a packaging body that solves such a problem, for example, as described in Patent Document 1, a container for food that is the content as it is without being transferred to another container such as a plate after opening. A packaging has been developed that can be used as.

Specifically, in this package, rectangular front and back films made of a film material or a sheet material (hereinafter referred to as a film material) are overlapped to seal the lower end edges in a folded shape, and the lower end seal is sealed. A rectangular flat bag formed by integrally fusing the corners on both sides of the stop portion with a heat seal to form a reinforcing portion, and forming the edge portions on both sides into a sealing portion that can be peeled off by a heat seal. After the food is stored in the flat bag, both end portions of the upper end opening of the flat bag are joined to each other in a butt shape so that the inner surfaces of the upper end both sides of the back film and the inner surfaces of the upper end both sides of the front film are joined to each other. In this state, the upper end opening is sealed so as to be orthogonal to the lower end edge portion, and the triangular-shaped both side surfaces having the upper end sealing portion as one side and the lower end sealing portion as one side. It is formed in a tetrahedral shape consisting of triangular front and back surfaces.

A V-shaped notch is provided in the center of the upper end sealing of the package thus configured, that is, the portion joined in the butt shape, and the peelable double-sided sealing is provided from the notch. By opening the front and back films in a direction that separates them from each other so as to tear the parts apart, the contents are developed and formed in a boat-shaped container that houses the contents as they are.

Japanese Patent No. 3997251

However, according to the above-mentioned package, when the front and back films are developed from the removable sealing portions on both sides to form a boat-shaped container, the central portion in the length direction of this container, which is the central portion of the bottom of the boat, is the front and back. It is formed by the developed part of the lower end sealing part that seals the lower end edges of the film, and there is no wall corresponding to the edge rising from both sides of the bottom of the boat at both ends of this part. In addition, there is a problem that the food contained in the container leaks from the central part of the container to the outside. In addition, such food leakage also occurs when the package is opened.

Therefore, in the package, reinforcing portions by heat sealing are formed at both corners of the lower end sealing portion, and the upper end of the reinforcing portion is used as a fulcrum while peeling the front and back films from the both side sealing portions. By deploying in opposite directions, a boat-shaped container having wall portions (edges) having a height corresponding to the length of the reinforcing portion is formed at both end ends in the central portion in the length direction. However, since the front and back films are developed with the upper end of the reinforcing portion as a fulcrum, when the length of the reinforcing portion is increased, the front and back films are folded downward in an inverted V shape from the upper end of the reinforcing portion. The lower end sealing portion between the reinforcing portions on both sides is curved and deformed upward in a convex shape, and cannot be deployed so as to have a boat shape.

On the other hand, when the length of the reinforcing portion is shortened, the portion folded downward from the upper end of the reinforcing portion becomes lower, which makes it impossible to prevent the leakage of the contents, and also has a stable boat shape. There was a problem that the container could or could not be formed.

The present invention has been made in view of such problems, and an object of the present invention is that the food contained therein can be opened without causing leakage, and the food leaks even after opening. It is an object of the present invention to provide a food package which can be placed on a table or the like in a stable state without fear of being released.

In order to achieve the above object, as described in claim 1, the food package of the present invention is superposed on a rectangular back side film and a lower portion of the back side film, and the lower end is integrated with the lower end of the back side film. The continuous part is formed in the lower end sealing part, and both side edges are heat-sealed to the lower both side edge of the back side film to be formed in the both side sealing part. A horizontally long rectangular film piece formed so that it can be raised from the lower part of the back side film with the lower end sealing portion as a fulcrum, and the lower part can be peeled off from the upper end edge of the horizontally long rectangular film piece over the entire width. The lower end of the heat-sealed portion is heat-sealed and the lower end of the heat-sealed portion is formed on the peeling knob piece. Consists of a flat bag with an open top end provided with a removable heat-sealed rectangular front film on both sides of the flat bag, the opposite sides of the top opening of the flat bag on both sides of the top opening. It is characterized in that the ends are heat-sealed by butt-butting each other and formed into a tetrahedral-shaped package having an upper end sealing portion so as to be orthogonal to the lower end sealing portion.

In the food packaging body configured as described above, the invention according to claim 2 has the same width as the back side film, and the length of the back side film and the length of the horizontally long rectangular film piece in the vertical direction. It is characterized in that a back side film and a horizontally long rectangular film piece folded over the lower part of the back side film are formed by folding back the lower part of a rectangular film having a total length.

According to the invention of claim 1, the packaging bag for storing food and used as a packaging body is a horizontally long rectangular film with a lower end of the back side film and a horizontally long rectangular film by superimposing a horizontally long rectangular film on the lower part of the rectangular back side film. A continuous portion with the lower end of one piece is formed in the lower end sealing portion, and both side edges of the horizontally long rectangular film are heat-sealed to the lower both end edges of the back side film to form the both side sealing portions. Therefore, it is a horizontally long rectangular shape that is superposed on the lower part of the back side film and the lower end and both side edge are integrally connected to the lower end and both side edge of the back side film by the lower end sealing part and the both side sealing part. The film can form an inner pocket-shaped storage bottom with an open top at the bottom of the back film.

Further, a rectangular front side film is superposed on the back side film, and the lower portion thereof is heat-sealed to the upper end edge of the horizontally long rectangular film piece so as to be peelable, and the lower end portion protrudes downward from the lower heat-sealed portion. Since the portion is formed into a peeling knob piece and the both end edges from both side ends to the upper end of the lower heat-sealed portion are heat-sealed to the both end edges of the back film so that the portion can be peeled off. When the upper end opening is widened when storing food in the bag, the horizontally long rectangular film portion forming the inner pocket-shaped storage bottom is heat-sealed at the upper end edge of the film portion. The inner pocket-shaped accommodating bottom formed by the facing surfaces of the back side film and the horizontally long rectangular film piece is separated from the back side film by the front side film connected integrally with the lower end sealing portion as a fulcrum. The film can be expanded to contain food from the bottom of the storage to the upper end of the packaging bag.

In the food packaging of the present invention, the opposite sides of the upper end opening of the flat bag containing food as described above are aligned with the both side ends of the upper end opening in an abutting manner and orthogonal to the lower end sealing portion. Since it is sealed in this way, it is formed in a tetrahedron shape consisting of a triangular both side surface portion having the upper end sealing portion as one side and a triangular front and back surface portion having the lower end sealing portion as one side. When opening the package, when the front side film is turned upward, the triangular back surface portion of the back side film that is turned downward and the lower half of the both side surface portions that stand upward from both side edge edges of the triangular back surface portion. The triangular-shaped side surface portions of the back side film, the sealing ends of the side surface portions on both sides, and the lower end sealing portion forming one side of the triangular back surface portion of the back side film with respect to the back surface portion. A horizontally elongated rectangular film piece that is open in a rising shape can form a container for storing food inside, and the upward opening of this container can be sealed by a front side film.

In this state, when the front side film is peeled off and opened by picking the peeling knob piece at the end thereof, the container containing the above-mentioned food formed by the back side film and the horizontally long rectangular film piece can be easily opened. Can be done.

At this time, as described above, the container has the triangular back surface of the back film as the bottom surface, and the horizontally long rectangular film piece rising from one side of the bottom surface and the other two sides of the bottom surface. At both ends on one side of the bottom surface, the film pieces are integrally connected to the horizontally long rectangular film piece, while on the one side and the opposite side of the bottom surface, the edge portions are integrally sealed with each other in the vertical direction. Since the peripheral wall portion of the container is formed by both sides of the back side film, there is no risk of food leaking to the outside unexpectedly not only at the time of opening but also after opening, and the container is surrounded by the peripheral wall portion. It can be securely stored in the container, food can be taken out smoothly from the container, and the bottom surface of the container is formed by the triangular back surface of the back film, so that the table can be used. It can be placed in a stable state on such a surface.

Further, according to the invention of claim 2, it has the same width as the back side film, and has a length obtained by adding the length of the back side film and the length of the horizontally long rectangular film piece in the vertical direction. Since the back side film and the horizontally long rectangular film piece folded on the lower part of the back side film are formed by folding back the lower part of the rectangular film, the horizontally long rectangular film piece is folded on the lower part. The two films, the back side film and the rectangular front side film, can accurately and efficiently manufacture the packaging bag capable of obtaining a package containing food, which is suitable for mass production. It can be provided at low cost.

Partial cutout plan view of the packaging bag for forming the food packaging body of the present invention. The vertical side view. An exploded perspective view of the packaging bag. A perspective view of a packaging bag with the upper end opening open. The central longitudinal side view. Perspective view of the package. Perspective view of the state where the package is opened. A perspective view of a container made by opening it. Its central longitudinal side.

Explaining a specific embodiment of the present invention with reference to the drawings, the packaging bag for forming the food packaging has a rectangular front side film 1 and a front side film 1 having a width as shown in FIGS. 1 to 3. The back side film 2 having the same width as the front side film 1 and having a length longer than the length of the front side film 1 and the back side film 2 are overlapped on the lower surface side of the back side film 2, and the lower end thereof is folded back to the lower end of the back side film 2. The continuous part is formed in the lower end sealing part 4 and the both side edges are heat-sealed to the lower both side edge of the back side film 2 to form the both side sealing parts 5 and 5. It is provided with a horizontally long rectangular film piece 3.

Then, the front side film 1 is superposed on the surface of the back side film 2 with the upper end edges aligned with each other, and the lower portion of the front side film 1 having a small gap upward from the lower end is covered over the entire width. The horizontally long rectangular film piece 3 is heat-sealed so that it can be peeled off from the upper end edge on the surface side, and the lower end portion protruding downward from the heat-sealed portion 6 is formed on the peeling knob piece 7. The upper end of the front film 1 provided with the heat-sealed portions 8 and 8 that can be peeled off by heat-sealing the both end edges of the heat-sealed portion 6 from both sides to the upper end to the both end edges of the back film 2. An open flat packaging bag A is formed. The front and back films 1 and 2 and the horizontally long rectangular film piece 3 are made of a resin film such as polypropylene or polyethylene.

In the horizontally long rectangular film piece 3, the back side film 2 and a separate horizontally long rectangular film piece are superposed on the lower surface of the back side film 2, and the lower end and both side edges thereof are formed on the lower end and both side ends of the back side film 2. The lower end sealing portion 4 and the both side sealing portions 5 and 5 may be formed by heat-sealing each of the edges, but in the above embodiment, the width is the same as that of the back side film 1 and the width is the same. The lower part of the rectangular film having a length equal to the sum of the length of the back side film 1 and the length of the horizontally long rectangular film piece 3 in the vertical direction is folded back to form the back side film 2 and the lower surface of the back side film 2. It forms a folded horizontally elongated rectangular film piece 3. In this case, the lower end sealing portion 4 is formed by a folded portion.

In this way, the horizontally long rectangular film piece 3 is superposed on the lower portion of the back side film 2, and the lower end and both side ends thereof are sealed at the lower end and both side edges of the back side film 2 with the lower end sealing portion 4 and both sides. Since it is integrally connected to the portions 5 and 5, an inner pocket-shaped storage bottom portion 9 having an open upper end is formed between the lower surface of the back side film 2 and the back surface of the horizontally long rectangular film piece 4. There is.

A tetrahedron-shaped (tetra-shaped) package as shown in FIG. 6 is packaged by accommodating food B such as knobs and confectionery in the flat packaging bag A formed as described above and sealing the upper end opening thereof. Creating body A'.

To specifically explain the configuration of the packaging body A', first, in order to store the food B in the packaging bag A, as shown in FIG. 4, the upper end opening of the packaging bag A composed of the front and back films 1 and 2 is formed. Expand. At this time, the back side film 2 is folded back and overlapped with the lower end sealing portion 4 via the lower end sealing portion 4, and both side end portions thereof are connected to the both side sealing portions 5 and 5 at the both side end edges in the lower portion of the back side film 2. Since the lower back surface of the front side film 1 is connected to the upper end of the horizontally long rectangular film piece 3 by the heat seal portion 6, the packaging bag A is expanded in the direction in which the front and back films 1 and 2 are separated from each other. As shown in FIG. 5, the horizontally long rectangular film piece 3 is expanded toward the front side film 1 with the lower end sealing portion 4 as a fulcrum at the bottom portion in the packaging bag A, and the open end of the accommodation bottom portion 9 is expanded. Open.

In this state, the food B is put into the packaging bag A from the inside of the storage bottom 9 to the inside of the upper end to be stored, and then both end portions of the upper end opening of the packaging bag A are joined to each other in a butt-like manner. By this joining, the inner surfaces of both upper end surfaces of the front side film 1 and the inner surfaces of both upper end surfaces of the back side film 2 that are curved in a direction away from the central portion in the width direction are joined to each other, and the upper end of the joint is joined. The upper end opening of the packaging bag A is formed in the upper end sealing portion 10 orthogonal to the lower end sealing portion 4 by heat-sealing the portion, and as shown in FIG. 6, the packaging containing the food B inside. The bag A is a tetrahedral package composed of triangular side surface portions A1 and A1 having the upper end sealing portion 10 as one side and triangular front and back surface portions A2 and A3 having the lower end sealing portion 4 as one side. It is formed on the body A'.

In order to open the package A'created in this way, the back side film 2 side of the packaging bag A formed in the package A'is placed face down on a table or the like, and the front side film 1 is face up. To.

In this state, the food B contained in the package A'stands upward from the triangular back surface A3 of the back film 2 and both side edge edges of the triangular back surface A3. The triangular-shaped side surface portions A11 and A11 forming the lower half of the both side surface portions A1 and A1 and the sealing portion 10 in which the both side surface portions A11 and A11 are integrally joined in an abdominal shape. A state of being housed in a container A'' formed by a lower half portion 10a and a horizontally long rectangular film piece 3 rising from the lower end sealing portion 4 which is one side of the triangular back surface portion A3. Will be.

The container A'' has the triangular back surface A3 of the back film 2 as the bottom, and the horizontally long rectangular film piece 3 rising in a state of being inclined inward from one side of the bottom toward the top of the bottom. It is formed into a triangular container with a flat triangular peripheral wall by the triangular-shaped side surface portions A11 and A11 that rise in a state of being inclined inward from the other two sides of the bottom. At the same time, the front side film 1 is formed on the upper edge of both side surface portions A11 and A11 rising from the bottom portion forming the open end edge portion of the container A'' and the upper end portion of the horizontally long rectangular film piece 3. The heat-sealed portions 6, 8 and 8 are in close contact with each other so as to be peelable, and the front film 1 forms the lid of the container A ″.

Then, as shown in FIG. 7, the front side film 1 is placed in a container by picking the peeling knob piece 7 projecting from the heat seal portion 6 with the upper end edge of the horizontally long rectangular film piece 3 in the front side film 1. When peeled from the heat-sealed portions 6, 8 and 8 along the upper end edges of the both side surface portions A11 and A11 of A'', the upper end opening of the container A'' is entirely exposed as shown in FIGS. 8 and 9. To open. At this time, the food B contained in the container A'' rises from the periphery (three sides) of the bottom of the container A'', and the horizontally long rectangular film piece 3 and the triangular-shaped side surface portions A11 and A11. The peripheral wall formed by and prevents the container A'' from jumping out or leaking out, and can be reliably held in the container A'' in a stable state.

1 Front side film 2 Back side film 3 Horizontally long rectangular film piece 4 Lower end sealing part 5, 5 Both side sealing part 6 Heat sealing part 7 Peeling knob pieces 8, 8 Both side heat sealing part 9 Storage bottom A Packaging bag
A'Package
A'' Container B Food

Claims (2)

A rectangular rear side film, both side edges superimposed on the lower, the lower end to the lower end of the back Fi Lum with forming the connecting portion to the lower sealing portion have integrally connected to the back side film Is heat-sealed on both side edges of the lower part of the back side film and formed on both side sealing parts, and is formed so as to be able to stand up from the lower part of the back side film with the both side sealing parts and the lower end sealing part as fulcrums. The rectangular film piece and the lower end of the horizontally long rectangular film piece are heat-sealed so as to be peelable over the entire width, and the lower end protruding downward from the heat-sealed part is a peeling knob piece. Yes formed on, and, the upper end and a front film rectangular that the both side edges to the upper end from both side ends of the heat sealed part peelably heat sealed to both side edges of the back side film It consists of an open flat bag, and the opposite sides of the upper end opening of the flat bag are heat-sealed by butt-butting the both side ends of the upper end opening so that the upper end is orthogonal to the lower end sealing portion. It is formed in a tetrahedral-shaped package as a sealing portion, and the triangular back surface portion of the back side film is used as the bottom portion, and the bottom portion and one side of the bottom portion are inclined inward toward the top of the bottom portion. Except for the horizontally elongated rectangular film piece standing up in the state and the back side portion of the back side film standing up in a state of being inclined inward from the other two sides of the bottom portion toward the top of the bottom portion. A flat triangular peripheral wall portion is formed by both side surface portions having a triangular shape, and the horizontally long rectangular film piece is separated from the back side film in a rising shape with the lower end sealing portion as a fulcrum, and the back side film is formed. An inner pocket-shaped expanded storage bottom is formed between the film piece and the horizontally long rectangular film piece, and food can be stored from the inside of the storage bottom to the upper end of the packaging. food package according to claim that you are. By folding back the lower part of the rectangular film having the same width as the back side film and having the sum of the length of the back side film and the length in the vertical direction of the horizontally long rectangular film piece, the back side film and the back side film are formed. The food packaging according to claim 1, wherein a horizontally long rectangular film piece folded over the lower portion of the back side film is formed.

Images