WO2015199158A1

WO2015199158A1 - Pouch sleeve

Info

Publication number: WO2015199158A1
Application number: PCT/JP2015/068268
Authority: WO
Inventors: 充香山; 雁羅; 猪又　暢之; 山口　誠
Original assignee: 凸版印刷株式会社
Priority date: 2014-06-27
Filing date: 2015-06-24
Publication date: 2015-12-30
Also published as: JP2016011120A

Abstract

　The purpose of the present invention is to provide a pouch sleeve (10) that, when assembled into a three-dimensional shape, enables cooking by pouring water or the like and subsequently enables mobile eating and drinking, and enables a reduction in volume during transportation before opening of a container. In order to achieve the abovementioned purpose, the pouch sleeve (10) is configured so that: a force is applied to both side edge parts (36a, b, 46a, b) of a sleeve (30) and both of the side edge parts (36a, b, 46a, b) are bent towards each other; a force is applied to the lower edge part of the sleeve (30) so as to bend at a bottom part center fold line (40) and bottom arch fold lines (38, 48), whereby sleeve bottom parts (34, 44) of a front piece (31) and a back piece (41) are made coplanar and the sleeve is shaped into a three-dimensional shape; and a pouch connected to a sleeve front surface and a sleeve back surface opens cylindrically.

Description

Pouch sleeve

The present invention relates to a pouch sleeve comprising a sleeve and a pouch disposed inside the sleeve. This application claims priority based on Japanese Patent Application No. 2014-132791 filed in Japan on June 27, 2014, the contents of which are incorporated herein by reference.

Conventionally, plastic film bags have been applied to accommodate foods that are heated by pouring hot water (pouring foods). A typical example of a plastic film bag for containing such pouring food is a laminated film bag called a so-called “pouch”. In addition to this, as a container for pouring hot water into a container and heating it, a molded container made of expanded polystyrene, a double container made of a paper cup, or the like is widely used. In addition, as a packaging container for cooking a container containing ingredients etc. in a microwave oven, mainly a heat-resistant molded container or a double container with a heat insulating effect added to the peripheral wall of the molded container is used. ing.

For example, the package described in Patent Document 1 is cooked in a state where the pouch is placed in the package, and the pouch taken out together with the package from the microwave oven is still surrounded by the package. A method of opening a pouch and eating processed food in the pouch can be provided. In this eating method, the package is a tool for maintaining the pouch in a self-supporting state in a microwave oven, and functions as tableware together with the pouch when eating.

Japanese Utility Model Registration No. 3118609

However, since the package described in Patent Document 1 focuses on self-support during heating, it is not assumed to be carried in this container. In addition, in order to eat using the package described in Patent Document 1 as a container, the opening of the pouch is small, and it is difficult to take out the food with a spoon or the like.
Furthermore, recently, a highly convenient food that can be drunk as it is after being stored in a packaging container and poured into the drife is desired. Therefore, in packaging containers, it is possible to realize a container that can satisfy both the strength and convenience of a container so that it can be poured into a container in which Dries is contained and eaten as it is, and the volume can be reduced during transportation before opening. It is desired.

The present invention has been made in view of the above circumstances, and can be cooked and heated by pouring hot water or the like when assembled into a three-dimensional shape. An object of the present invention is to provide a pouch sleeve capable of realizing volume reduction at the time.

The pouch sleeve according to the first aspect of the present invention includes a flat pouch and a flat sleeve, and is configured to be assembled into a self-supporting cylindrical shape by expanding the vicinity of the front center of the sleeve in the thickness direction. A pouch sleeve as a composite packaging material, wherein the pouch has a pouch front surface and a pouch rear surface sealed at both ends, and a pouch bottom, and the sleeve includes at least the pouch bottom and pouch side portions. The pouch includes a front piece and a rear piece which surround the pouch bottom side and are positioned on the front and rear sides of the pouch when unopened. A rear surface, a side surface, and a portion serving as a sleeve bottom, and the front piece and the rear piece include the front surface of the sleeve or the sleeve rear surface and the sleeve bottom. The front piece and the rear piece are connected to the bottom arch fold line provided as an arch shape that forms a boundary with each other and connects both sides in the lateral direction, and the lower end of the front piece and the rear piece. The bottom center folding line extending in the lateral direction in the state and the both side ends of the sleeve are connected by sandwiching the both side ends of the pouch between the front piece and the rear piece, and extending in the vertical direction. The side edge portion is located on the side edge portion side of the side surfaces on both sides and extends in the vertical direction, and the side edge portion extends laterally from the side surface when assembled into the cylindrical shape as a solid body. Side fold lines to be projected, legs located at the lower ends of the side surfaces, a lower fold line descending from the outer end of the arch fold line downward 45 degrees outward, and an outer end of the arch fold line in the vertical direction An inner leg sectioned by a bottom side fold line extended to And applying a force to both side edges of the sleeve so that both the side edges approach each other, and applying a force to the lower end of the sleeve to apply the bottom center folding line and the bottom The sleeve bottoms of the front piece and the rear piece are made uniform by bending with an arch fold line to change the sleeve into a three-dimensional shape, and the pouch connected to the sleeve front surface and the sleeve rear surface is a cylinder. Open.

The pouch sleeve according to the first aspect can be formed thinly with a pouch filled with Dreifose or the like. In addition, the pouch is sandwiched between the front piece and the rear piece of the sleeve folded in half at the bottom center folding line, and the sealed side ends of the pouch and the both side edges of the sleeve are adhered. Thus, it can be formed as a connection structure. Moreover, the upper part of the pouch is opened and deformed so that both sides of the sleeve are reduced in the lateral direction, and the bottom center fold line is pushed upward to deform the sleeve bottom into a smooth arch surface, and the front and rear width The pouch sleeve can be assembled three-dimensionally by separating the sleeve front surface and the sleeve rear surface so as to enlarge the width of the sleeve. At this time, the pouch sleeve can be stabilized independently by the inner leg portion and the leg portion, and can be regulated so that the three-dimensional deformed state does not return. For this reason, cooking such as pouring hot water can be easily performed, and the food can be easily scooped up with a wide spoon from the pouch opening.

In the second aspect of the present invention, in the pouch sleeve according to the first aspect, the pouch may be made of a barrier film.

According to the second aspect, the space required for cooking can be formed inside the pouch within the three-dimensional sleeve, and the pouch can be opened.

In the third aspect of the present invention, in the pouch sleeve according to the second aspect, food may be enclosed in the pouch.

According to the third aspect, it is possible to reduce the transport volume of the pouch sleeve as compared with the case where the food to be cooked and heated is conventionally packaged in a molded polystyrene foam container or the like, and the number of transports in the same volume. The cost can be reduced.

According to a fourth aspect of the present invention, in the pouch sleeve according to any one of the first to third aspects, the front piece and the rear piece of the sleeve are formed of a single sheet and folded at the bottom center folding line. It may be.

According to the fourth aspect described above, it is possible to manufacture by simply printing a sleeve made of a single sheet into two, folding it in half, and holding the pouch together. Therefore, the manufacturing process of the pouch sleeve can be reduced, the manufacturing work time can be shortened, and the cost can be reduced.

According to a fifth aspect of the present invention, in the pouch sleeve according to the fourth aspect, the sleeve is positioned between the side surface on both sides and the front surface of the sleeve or the rear surface of the sleeve, and when the three-dimensional shape is used, A side fold line may be provided that extends in the vertical direction and serves as a boundary between the sleeve front surface or the sleeve rear surface and the side surface.

According to the fifth aspect, the sleeve front surface, the sleeve rear surface, and the side portions that are substantially upright with respect to the sleeve bottom portion are firmly erected to improve the self-supporting property and the stability during gripping. is there.

According to a sixth aspect of the present invention, in the pouch sleeve according to the fifth aspect, the lower fold line is lowered outward 45 degrees from the intersection of the lower end of the side fold line and the outer end of the arch fold line. May be.

According to the sixth aspect, it is possible to improve the strength of the inner leg and the leg, and to make the inner leg and the leg so as to come into contact with the mounting surface at four points. It is possible to improve independence and stability.

A seventh aspect of the present invention is a pouch sleeve according to the sixth aspect, wherein the bottom side fold line and the lower fold line may continuously extend in the same direction.

According to the seventh aspect, the sleeve can be easily formed. Even if the sleeve bottom that protrudes downward with respect to the thick pouch when filled with food in the state before opening is subjected to an external force that may be deformed during transportation, It is possible to deform the leg portion and the leg portion so as not to impair the independence at the time of assembly.

According to an eighth aspect of the present invention, in the pouch sleeve according to the seventh aspect, the sleeve is formed by applying a force to the side edge portions of the sleeve and bending the side edge portion to be bent at the side fold line so as to be contracted inward in the lateral direction. May be configured to change into a three-dimensional shape.

According to the eighth aspect, the pouch sleeve can be easily assembled in three dimensions even for consumers who are not familiar with handling.

According to a ninth aspect of the present invention, in the pouch sleeve according to any one of the first to eighth aspects, the pouch may be adhered to the inside of the sleeve front surface and the sleeve rear surface.

According to the ninth aspect described above, the upper end of the opened pouch can be greatly opened by only one operation of moving the sleeve front surface and the sleeve rear surface apart. Therefore, the pouch sleeve can easily pour hot water or insert a spoon.

According to the present invention, it is possible to provide a pouch sleeve that does not have an extra volume during conveyance, can be easily formed into a three-dimensional shape with a large opening by only one operation, and has excellent self-supporting properties. At the same time, it is possible to provide a pouch sleeve having a strength that can be easily held and carried in a three-dimensionally assembled state.

It is a top view which shows the unopened state of the pouch sleeve which concerns on 1st Embodiment of this invention. It is a perspective view which shows the unsealed state of the pouch sleeve which concerns on 1st Embodiment of this invention. It is a perspective view which shows the unsealed state of the pouch sleeve which concerns on 1st Embodiment of this invention. It is a top view which shows the sleeve of the pouch sleeve which concerns on 1st Embodiment of this invention. It is a top view which shows the expansion | deployment state of the sleeve of the pouch sleeve which concerns on 1st Embodiment of this invention. It is a top view which shows the pouch of the pouch sleeve which concerns on 1st Embodiment of this invention. It is a perspective view which shows the pouch of the pouch sleeve which concerns on 1st Embodiment of this invention.

Hereinafter, a first embodiment of a pouch sleeve according to the present invention will be described with reference to the drawings.
FIG. 1 is a plan view showing a pouch sleeve according to the present embodiment. 2 and 3 are perspective views showing the pouch sleeve according to the present embodiment. 4 and 5 are plan views showing the sleeve according to the present embodiment. 6 and 7 are plan views showing the pouch according to the present embodiment. In the figure, reference numeral 10 denotes a pouch sleeve.

As shown in FIGS. 1 to 7, the pouch sleeve 10 according to the present embodiment includes a flat pouch 20 and a flat sleeve 30. When the bag is opened, the vicinity of the center of the front surface of the sleeve can be expanded in the thickness direction to be self-supporting. It is a composite packaging material that is assembled into a cylindrical shape. The pouch 20 is made of a barrier film. The pouch 20 is filled with food and the like. The sleeve 30 is provided so as to surround the pouch 20. The pouch 20 and the sleeve 30 each have a flat shape when not opened.

Like the conventional bottomed pouch, the pouch 20 includes a front sheet material (pouch front surface) 21, a rear sheet material (pouch rear surface) 22, and a bottom sheet material (pouch bottom portion) 23, as shown in FIG.
As shown in FIGS. 6 and 7, the front sheet material 21 and the rear sheet material 22 have a contour shape including a substantially rectangular side portion and a substantially trapezoidal bottom portion, and have the same shape. The bottom sheet material 23 has a substantially trapezoidal outline shape. The bottom sheet material 23 is provided in a portion where the width dimension of the front sheet material 21 and the rear sheet material 22 is reduced. The bottom sheet material 23 is folded in two by a central bottom fold line 24 parallel to the upper ends 21 a of the front sheet material 21 and the rear sheet material 22. Further, the bottom sheet material 23 is folded by a front bottom fold line 25 parallel to the upper end 21 a and is continuous with the front sheet material 21, and is folded by a front bottom fold line 26 parallel to the upper end 21 a and the rear sheet material 22. It is continuous.

The front sheet material 21 and the rear sheet material 22 are sealed at both

end portions

21b and 22b, and the front sheet material 21 and the bottom sheet material 23 are sealed at both

side end portions

21c and 23c, and the rear sheet material 22 and the bottom sheet are sealed. The material 23 is sealed at both

end portions

22d and 23d.

The materials of the front sheet material 21, the rear sheet material 22, and the bottom sheet material 23 are not particularly limited, but a plastic film or sheet is used as a basic material. Specifically, for example, polyester resins, polyamide resins, polyaramid resins, polyolefin resins, polycarbonate resins, polystyrene resins, polyacetal resins, fluorine resins, and the like can be used. As the plastic film or sheet, either an unstretched film or a stretched film stretched in a uniaxial direction or a biaxial direction can be used.

Generally, a laminated body in which a heat-sealable film is laminated on the base film as described above when the bag is made is used for the pouch. In the present embodiment, examples of the heat-sealable film include low-density polyethylene, medium-density polyethylene, high-density polyethylene, linear (linear) low-density polyethylene, polypropylene, ethylene-vinyl acetate copolymer, ionomer resin, Ethylene-acrylic acid copolymer, ethylene-ethyl acrylate copolymer, ethylene-methacrylic acid copolymer, ethylene-methyl methacrylate copolymer, ethylene-propylene copolymer, methylpentene polymer, polybutene polymer, polyethylene or Polyolefin resins such as polypropylene modified with unsaturated carboxylic acids such as acrylic acid, methacrylic acid, maleic acid, maleic anhydride, fumaric acid, itaconic acid, polyvinyl acetate resin, poly (meth) acrylic Resin Polyvinyl chloride resin, a film or sheet of a resin other like can be used.

As a bag making method of the pouch 20, the laminate as described above is used, and the heat sealable resin layer of the inner layer of the laminate is folded so as to face each other, or two of them are overlapped, A peripheral end portion is heat-sealed to provide a seal portion to form a bag shape. For example, side seal type, two-side seal type, three-side seal type, four-side seal type, envelope-attached seal type, joint-attached seal type (pillow seal type), pleated seal type, flat bottom seal type, square bottom seal type, etc. The inner bag 12 of various forms can be manufactured by heat-sealing according to the heat-sealing form. In the above, as a heat sealing method, for example, a known method such as a bar seal, a rotary roll seal, a belt seal, an impulse seal, a high frequency seal, and an ultrasonic seal can be used.

In addition, the material which comprises the pouch 20 is not limited to the above-mentioned thing, For example, a well-known material, such as lamination | stacking with a heat sealable film, can be used suitably, using paper as a base material.

For example, as the front sheet material 21, the rear sheet material 22, and the bottom sheet material 23, PET (polyethylene terephthalate) / printing layer / adhesive layer / ONY (stretched nylon) / adhesive layer / aluminum foil / adhesive layer / CPP (none) Laminated sheet having a layer structure of stretched polypropylene), laminated sheet having a layer structure of PET / print layer / adhesive layer / transparent deposited film / adhesive layer / ONY / adhesive layer / CPP, or transparent deposited film / print layer / adhesive A material that can be sterilized by retort such as a laminated sheet having a layer structure of layer / ONY / adhesive layer / CPP can be used.

The sleeve 30 is formed of a material (member) having a certain thickness and excellent foldability, such as paperboard, a composite sheet mainly composed of paper, and a plastic sheet.
As shown in FIG. 5, the sleeve 30 includes a sheet-like front piece 31 and a rear piece 41, and the front piece 31 and the rear piece 41 are folded from a bottom center folding line 40 to store the pouch 20 inside. It is piled up in the state. The front piece 31 and the rear piece 41 are respectively positioned on the front and rear sides of the pouch 20 when not opened.

The front piece 31 and the rear piece 41 of the sleeve 30 include a front (sleeve front) 32 and a rear surface (sleeve rear surface) 42, side surfaces 33a and 33b, side surfaces 43a and 43b, a bottom portion (sleeve bottom portion) 34, and a three-dimensional shape. An area 44 is provided.
Since the front piece 31 and the rear piece 41 have substantially the same shape, the front piece 31 will be described. The reference numerals of the respective parts of the rear piece 41 are described by changing the reference numerals of the corresponding parts of the front piece 31 to the 40s. The rear piece 41 has a symmetrical shape with respect to the front piece 31 and the bottom center folding line 40.
The bottom center folding line 40 extends laterally at the lower end of the front piece 31 and the rear piece 41 in a state where the front piece 31 and the rear piece 41 are connected.

The front piece 31 includes a side fold line 37a, a side fold line 37b, a side fold line 37c, and a side edge fold line 37d extending in the vertical direction perpendicular to the upper end 31a formed in a straight line in the lateral direction. Are arranged side by side. The side edge fold line 37a, the side fold line 37b, the side fold line 37c, and the side edge fold line 37d form a boundary between the side edge portion 36a, the side surface 33a, the front surface 32, the side surface 33b, and the side edge portion 36b.

In the front piece 31, the bottom arch fold line 38, the

lower fold lines

38a and 38b, the bottom

side fold lines

39a and 39b, and the bottom

side fold lines

39a and 39b are inclined in the horizontal direction or the horizontal direction. Is provided. The bottom arch fold line 38 is located at the lower end portion of the front surface 32. The

lower fold lines

38a and 38b are provided so as to descend 45 degrees outward and downward from the intersection of the lower ends of the

side fold lines

37b and 37c and the outer end of the bottom arch fold line 38. The bottom

side fold lines

39a and 39b extend from the lower ends of the

side fold lines

37b and 37c in the same direction as the

side fold lines

37b and 37c. The bottom arch fold line 38, the

lower fold lines

38a, 38b, the bottom

side fold lines

39a, 39b, and the bottom

side fold lines

39a, 39b are a side surface 33a, a front surface 32, a side surface 33b, an inner leg portion 35a, A boundary between the bottom 34 and the inner leg 35b is formed.

In the front piece 31, the upper end 31 a and the bottom center fold line 40 are formed in a straight line in the lateral direction so as to be parallel, and the bottom center fold line 40 forms the lower end of the front piece 31.
Side edges 36 a and 36 b extending in the vertical direction are formed at both side ends of the front piece 31. The front piece 31 has a substantially rectangular outer diameter at the upper end 31a, the bottom center folding line 40, and the

side edge portions

36a and 36b. The front piece 31 has a contour shape in which the

inner leg portions

35a and 35b whose width dimension in the lateral direction is reduced at positions below the

side edge portions

36a and 36b and the bottom portion 34 protrude downward.

The front surface 32 is defined by the bottom arch fold line 38 in the form of an arch, and the front 32 is defined in a straight line by the upper end 31a, thereby defining a vertical region. The front surface 32 is defined as a boundary with the side surface 33a by the side fold line 37b, and is defined as a boundary with the side surface 33b by the side fold line 37c, thereby defining a region in the left-right direction. Further, the back side of the front surface 32 is attached to the front sheet material 21 of the pouch 20. The back side of the rear surface 42 is attached to the rear sheet material 22 of the pouch 20. Thereby, when the sleeve 30 is assembled in three dimensions, when the thickness direction or the front-rear direction distance between the front surface 32 and the rear surface 42 is separated, the front sheet material 21 and the rear sheet material of the pouch 20 follow this movement. 22 and the distance in the thickness direction or the front-rear direction.

The side surface 33a, the front surface 32, and the side surface 33b are positioned on the upper side of the front piece 31 in this order from the left side to the right side shown in FIG. 5 so as to form a side periphery that stands upright when the sleeve 30 is assembled. It is configured.

The side surface 33a is defined as a boundary with the side edge portion 36a by a side edge fold line 37a, and is defined as a boundary with the front surface 32 by a side fold line 37b, thereby defining left and right regions. At the same time, the lower end portion of the side surface 33a is a leg portion 35c that comes into contact with the installation place when the sleeve 30 is assembled, and is defined as a boundary with the inner leg portion 35a by the lower folding line 38a. The area is prescribed.

The side surface 33b has a boundary with the side edge portion 36b defined by the side edge fold line 37d, and a boundary with the front surface 32 defined by the side fold line 37c, thereby defining the left and right regions. At the same time, the lower end portion of the side surface 33b is a leg portion 35d that comes into contact with the installation place when the sleeve 30 is assembled, and is defined as a boundary with the inner leg portion 35b by the lower folding line 38b. The area is prescribed.

The side edge portions 36a are positioned on both side ends of the front piece 31 outside the side surface 33a and extend in the vertical direction. The side edge portion 36a is connected by sandwiching both

side end portions

21b and 22b of the pouch 20 together with the side edge portion 46a of the rear piece 41 from the front and back surfaces.
The side edge portions 36b are positioned on both side ends of the front piece 31 outside the side surface 33b and extend in the vertical direction. The

side edge portions

21b and 22b of the pouch 20 are connected to the front and back surfaces together with the side edge portions 46b of the rear piece 41. Connect them by pinching them together.

The side edge portion 36a is provided with finger-hanging

portions

36c and 36d having a concave shape on the outside thereof. The side edge 36a is provided with

finger hooks

36e and 36f having the same concave shape on the outside of the side edge 36b as height positions corresponding to the finger hooks 36c and 36d.

The leg portion 35c and the inner leg portion 35a are configured to be bent by the lower fold line 38a when the sleeve 30 is assembled, and to be substantially parallel and have the same bottom end. The leg portion 35d and the inner leg portion 35b are configured to bend along the lower fold line 38b when the sleeve 30 is assembled, and to be substantially parallel and have the same bottom end.

The leg portion 45c and the inner leg portion 45a are configured to be bent by the lower fold line 48a when the sleeve 30 is assembled, and to be substantially parallel and have the same bottom end. The leg portion 45d and the inner leg portion 45b are configured to bend along the lower fold line 48b when the sleeve 30 is assembled, and to be substantially parallel and have the same bottom end.

The leg portion 35c, the inner leg portion 35a, the leg portion 45c, and the inner leg portion 45a are configured so as to be positioned in an equal plane that is substantially flush with the lower end serving as a ground plane when the sleeve 30 is assembled. Yes. The leg portion 35d, the inner leg portion 35b, the leg portion 45d, and the inner leg portion 45b are configured so as to be positioned in the same plane that is substantially flush with the lower end being the ground contact surface when the sleeve 30 is assembled. Yes.

The bottom 34 has a boundary with the front 32 defined by a bottom arch fold line 38 to define a vertical region. A boundary between the bottom 34 and the bottom 44 is defined by a bottom center folding line 40 to define a region in the front-rear direction. A boundary between the bottom portion 34 and the inner leg portion 35a is defined by a bottom side fold line 39a, and a boundary between the bottom portion 34 and the inner leg portion 35b is defined by a bottom side fold line 39b, thereby defining a horizontal region. When the sleeve 30 is assembled, the bottom 34 and the bottom 44 are fixed as curved surfaces defined by the bottom arch fold line 38, and the sleeve 30 three-dimensionalized by the curved surface of the bottom 34 and the bottom 44 has a planar shape. Regulate return.

The side edge fold line 37a is located between the side edge portion 36a and the side surface 33a and becomes a boundary between them. When the sleeve 30 is three-dimensionally assembled, the side edge portion 36a extends laterally from the side surface 33a and the side surface 43a. It is provided so as to protrude. Moreover, the side edge folding line 37a can be made into the inner boundary which sticks the both-

sides edge parts

21b and 22b of the pouch 20 in the side edge part 36a.

The side fold line 37b is located between the side surface 33a and the front surface 32 and becomes a boundary between them, and becomes a corner formed by the front surface 32 and the side surface 33a when the sleeve 30 is three-dimensionally assembled.
The side fold line 37c is located between the side surface 33b and the front surface 32 and becomes a boundary between them, and becomes a corner formed by the front surface 32 and the side surface 33b when the sleeve 30 is three-dimensionally assembled.

The side edge fold line 37d is located between the side edge portion 36b and the side surface 33b and serves as a boundary between them. When the sleeve 30 is three-dimensionally assembled, the side edge portion 36b extends laterally from the side surface 33b and the side surface 43b. It is provided so as to protrude. Moreover, the side fold line 37b can be made into the inner boundary which sticks the both-

sides edge parts

21b and 22b of the pouch 20 in the side edge part 36b.

The bottom arch fold line 38 is provided as an arch that forms a boundary between the front surface 32 and the bottom portion 34 and connects both side surfaces (both side portions) 33a and 33b in the lateral direction.
The bottom side fold line 39a has a side fold line 37b continuously extending on the upper side, and on the opposite side, a bottom side fold line 49a and a side fold line 47b are sandwiched by sandwiching the bottom center fold line 40b. It is continuous. These side fold line 37b, bottom side fold line 39a, bottom side fold line 49a, and side fold line 47b are continuous to form a straight line when the sleeve 30 shown in FIG. 5 is unfolded.
The bottom side fold line 39b has a side fold line 37c continuously extending on the upper side, and on the opposite side, a bottom side fold line 49b and a side fold line 47c are sandwiched by sandwiching the bottom center fold line 40b. It is continuous. These side fold line 37c, bottom side fold line 39b, bottom side fold line 49b, and side fold line 47c are continuous to form a straight line when the sleeve 30 shown in FIG. 5 is unfolded.

The pouch sleeve 10 according to the present embodiment includes a bottomed flat pouch 20 made of a barrier film and a flat sleeve 30 in which the pouch 20 is housed. An upper end 21 a of the pouch is an upper end 31 a of the sleeve 30. , 41a. However, the upper ends 31 a and 41 a of the sleeve 30 may be configured to protrude above the upper end 21 a of the pouch so that the pouch 20 is completely accommodated inside the sleeve 30.

<Conveyance state (unopened)>
In the pouch sleeve 10 according to the present embodiment, food is enclosed in the pouch 20 (not shown), and the upper end 21a thereof is sealed and flattened. By sandwiching the flat pouch 20 with a substantially flat sleeve 30 in which only the bottom center folding line 40 is mountain-folded, an unopened conveyance state can be obtained. In this state, the thickness of the pouch sleeve 10 is very thin and the volume is small.

<Three-dimensional assembly (opened)>
First, in the pouch sleeve 10 according to the present embodiment, the upper end 21a of the unopened pouch 20 is opened by the user. Next, the user applies a force so that the bottom center fold line 40 moves upward, and at the same time, the bottom arch fold line 38 and the bottom arch fold line 48 are mountain-folded, and the bottom 34 and the bottom 44 are continuously arched. The both ends of the bottom center folding line 40 that has been folded in a mountain are flush with each other so as to form a curved surface.

At this time, the lower fold line 38a is mountain-folded to bring the leg portion 35c and the inner leg portion 35a closer to each other, and the lower fold line 48a is folded to make the leg portion 45c and the inner leg portion 45a closer to each other. Move closer. When the lower fold line 38b is folded in a mountain, the leg part 35d and the inner leg part 35b are brought closer to each other, and when the lower fold line 48b is folded in a mountain, the leg part 45d and the inner leg part 45b are brought closer to each other. At the same time, the bottom side fold line 39a is valley-folded to deform the inner leg 35a so as to protrude downward in the vertical direction from the bottom 34, and the bottom side fold line 39b is valley-folded. The inner leg portion 35b is deformed so as to protrude downward in the vertical direction from the bottom portion 34, and the inner side leg portion 45a is protruded downward in the vertical direction from the bottom portion 44 by folding the bottom side fold line 49a. When the bottom side fold line 49b is valley-folded, the inner leg 45b is deformed so as to protrude downward in the vertical direction from the bottom 44.

At the same time, the user applies a force so that the side edge portion 36a and the side edge portion 36b of the sleeve 30 approach each other, and the sleeve 30 is contracted inward in the lateral direction, whereby the side edge fold line 37a is valley-folded and side-folded. The

lines

37b and 37c are mountain-folded, and the side edge fold line 37d is valley-folded to move the front face 32 and the rear face 42 apart from each other in the front-rear direction, which is the thickness direction.

The front sheet material 21 and the rear sheet material 22 of the pouch 20 adhered to the front surface 32 and the rear surface 42 are separated in the front-rear direction, which is the thickness direction, following the movement of the front surface 32 and the rear surface 42 spreading. The bottom sheet material 23 that has been folded in half at the center bottom fold line 24 is flattened, and the space inside the pouch 20 is enlarged, so that the upper end 21a is largely opened. Thus, by changing the sleeve 30 into a three-dimensional shape, the pouch 20 connected to the front surface 32 and the rear surface 42 of the sleeve 30 can be opened in a cylindrical shape.

When the sleeve 30 changes to a three-dimensional shape, the leg portion 35c, the inner leg portion 35a, the leg portion 35d, and the inner leg portion 35b protrude downward in the vertical direction to form a double leg and are grounded at four points. In this way, the pouch sleeve 10 can be made strong and stable and can stand by itself. Thereby, even when hot water is injected, it is possible to provide the pouch sleeve 10 that is safely independent.

Moreover, since it can be three-dimensionalized by one operation and can be locked so as to maintain the state, it can be easily opened and eaten easily.
At the same time, the finger-hanging

portions

46c, 46d, 46e, and 46f are formed so as to protrude in the lateral direction, so that they can be stably held. Therefore, even when grasped and carried with hot water injected, it is possible to prevent the temperature of the contents from being transmitted to the hand of the grasper.

Next, a method for manufacturing the pouch sleeve 10 according to the present embodiment will be described.
First, as a sleeve preparation step, the outline of a paperboard or the like to be the sleeve 30 is formed so as to have a developed shape shown in FIG. 5 by a molding process such as punching. At the same time or thereafter, each fold line is formed by fold line processing. The sleeve 30 is folded in half from the bottom center folding line 40 so as to become the front piece 31 and the rear piece 41.

Next, as a pouch preparation step, the long material made of the above-described sheet material is folded at the center bottom fold line 24 in a valley and the front bottom fold line 25 and the front bottom fold line 26 in a mountain fold. Next, the upper end 21a is cut off and cut into a rectangular and trapezoidal outline, and the side ends 21b and 22b, the side ends 21c and 23c, and the side ends 22d and 23d are sealed by heating, pressure bonding, etc. 20 is formed.

Next, as a filling step, the pouch 20 is filled with a predetermined food material from the upper end 21a, and, for example, the upper end 21a is sealed together with the decompression process so that the pouch 20 is compressed into a flat shape.

Next, as a sticking step, the flat pouch 20 is placed and positioned inside the folded sleeve 30, the front sheet material 21 and the front face 32 are attached, and the rear sheet material 22 and the rear face 42 are attached. wear. Finally, the side edges 21b and 22b of the pouch 20 and the side edge 36a and the side edge 36b of the sleeve 30 are attached, and the pouch sleeve 10 filled with food is manufactured in a transported state.

In addition, as a manufacturing method of the pouch sleeve 10, it is also possible to fill the pouch 20 with a predetermined food material from the upper end 21a and to seal it as a filling step after the sticking step.

The pouch sleeve 10 according to the present embodiment includes a sleeve formed in a cylindrical shape and a pouch attached to the inside of the exterior body, and the pouch can be three-dimensionally and autonomously portable by the sleeve. This technique is suitable for use in a pouch sleeve filled with food that can be poured and cooked.

The embodiments of the present invention have been described above. However, the technical scope of the present invention is not limited to the above embodiments, and combinations of components in the embodiments may be changed without departing from the spirit of the present invention. Various changes can be added to or deleted from each component. The present invention is not limited by the above description.

When assembled into a three-dimensional shape, it is possible to provide a pouch sleeve that can be cooked and heated by pouring hot water, etc., and can be subsequently eaten and carried and can be reduced in volume during conveyance before opening the container.

[Additional Item 1]
It consists of a flat pouch filled with ingredients, a pouch bottom, and a flat sleeve surrounding at least the pouch bottom side of the pouch. A pouch sleeve that is assembled into a bottomed cylindrical shape,
The pouch has both sealed end portions and the pouch bottom and gusset when expanded,
The sleeve has two opposing main walls connected to the left and right side end portions and the bottom end portion, and notches are formed at both end positions of the bottom end portion,
The bottom ends of the two main walls are folded at the bottom center folding line;
Side edge portions that are fixed on both sides of the main wall on both sides of the seal portion of the pouch extend vertically.
The side surface which becomes a gusset at the time of assembly extends in the vertical direction at the position in the width direction from the side edge portion of the main wall,
The main wall is formed with a side fold line (side wall crease) in the vertical direction as a boundary with the front and rear front portions at the time of assembly in the width direction inner side position of the side surface,
A bottom arch fold line provided in an arch shape connecting the lower end portions of the left and right side fold lines (side wall creases) in the lateral direction is provided at the front and lower front lower positions of the main wall,
At a position below the bottom arch fold line on the side surface, a leg portion that can be grounded during assembly is provided,
A bottom side fold line (side side wall crease) further extending the side fold line (side wall crease) is provided at the lower position of the main wall,
On the outside position of the bottom side fold line (side wall crease), an inner leg is provided between the leg and the bottom during assembly.
The main wall is provided with a lower fold line that descends downward 45 degrees outward from the intersection of the lower end of the side fold line and the outer end of the arch fold line,
At the time of opening and assembling, with the upper side of the pouch opened, a force is applied to the bottom end of the sleeve to bend the bottom arch fold line into a mountain fold and expand it horizontally from the bottom center fold line to the front and rear sides. The side fold line is bent into a mountain fold by applying a force to the side edges of both of the sleeves to increase the thickness direction dimension of the two main walls of the sleeve and to be connected to the front and rear surfaces. A pouch sleeve that can be made self-supporting in a cylindrical shape.

10 Pouch sleeve 20 Pouch 21 Front sheet material (front)
22 Rear sheet material (rear surface)
23 Bottom sheet material (bottom)
21a upper end 24 center bottom fold line 25 front bottom fold line 26 front

bottom fold line

21b, 22b both

ends

21c, 23c both ends 22d, 23d both ends 30 sleeve 31 front piece 31a upper end 32 front (sleeve front)
33a, 33b Side 34 Bottom (sleeve bottom)
35a, 35b

Inner leg

36a,

36b Side edge

36c, 36d, 36e,

36f Finger hook

37a, 47a Side

edge fold line

37b, 37c

Side fold line

37d, 47d Side edge fold line 38 Bottom

arch fold line

38a, 38b Below

Folding lines

39a, 39b Bottom side folding line 40 Bottom central folding line 41 Rear piece 41a Upper end 42 Rear surface (sleeve rear surface)
43a, 43b Side 44

Bottom

45a, 45b

Inner leg

46a,

46b Side edge

46c, 46d, 46e, 46f Finger hook 47a Side

edge fold line

47b, 47c Side fold line 37d Side edge fold line 48 Bottom

arch fold line

48a, 48b

Bottom fold line

49a, 49b Bottom side fold line

Claims

A pouch sleeve as a composite packaging material composed of a flat pouch and a flat sleeve, and configured to be able to be assembled into a self-supporting cylindrical shape by expanding the vicinity of the front center of the sleeve in the thickness direction,
The pouch has a pouch front surface and a pouch rear surface sealed at both ends, and a pouch bottom.
The sleeve surrounds at least the pouch bottom portion and the pouch bottom portion side of the pouch side portion, and comprises a front piece and a rear piece located on the front and rear sides of the pouch when unopened,
Each of the sleeves includes a front surface of the sleeve or a rear surface of the sleeve, a side surface, and a portion to be a sleeve bottom when assembled into the cylindrical shape as a solid body.
In the front piece and the rear piece,
A bottom arch fold line provided as an arch that forms a boundary between the sleeve front surface or the sleeve rear surface and the sleeve bottom portion and connects both side portions in a lateral direction;
A bottom center fold line extending in the lateral direction with the front piece and the rear piece connected to the lower end of the front piece and the rear piece,
A side edge portion which is located on both side ends of the sleeve, and which is connected by sandwiching and connecting the both side end portions of the pouch between the front piece and the rear piece;
A side edge fold line that is positioned on the side edge portion side of the side surfaces on both sides, extends in the vertical direction, and projects the side edge portion laterally from the side surface when assembled into the cylinder as a solid body; ,
Legs located at the lower end of the side surface;
An inner leg section divided by a lower fold line descending downward 45 degrees outwardly from the outer end of the arch fold line and a bottom fold line extending in the vertical direction from the outer end of the arch fold line;
Is provided,
Applying force to both side edges of the sleeve to bend so that both the side edges approach, and applying force to the lower end of the sleeve to apply the bottom center fold line and the bottom arch fold line And the sleeve bottoms of the front piece and the rear piece are made uniform so that the sleeve changes into a three-dimensional shape, and the pouch connected to the front surface of the sleeve and the rear surface of the sleeve opens in a cylindrical shape. Pouch sleeve.
The pouch sleeve according to claim 1, wherein the pouch is made of a barrier film.
The pouch sleeve according to claim 2, wherein food is enclosed in the pouch.
The pouch sleeve according to any one of claims 1 to 3, wherein the sleeve includes the front piece and the rear piece formed of a single sheet, and is folded at a center folding line of the sleeve bottom.
The sleeve is positioned between the side surfaces on both sides and the front surface of the sleeve or the rear surface of the sleeve, and extends in a vertical direction that serves as a boundary between the front surface of the sleeve or the rear surface of the sleeve and the side surface when formed into a three-dimensional shape. The pouch sleeve according to claim 4, wherein a side fold line is provided.
The pouch sleeve according to claim 5, wherein the lower fold line descends downward 45 degrees outward from the intersection of the lower end of the side fold line and the outer end of the arch fold line.
The pouch sleeve according to claim 6, wherein the bottom fold line and the lower fold line continuously extend in the same direction.
The pouch sleeve according to claim 7, wherein the sleeve is configured to change into a three-dimensional shape by applying a force to both side edges of the sleeve, bending the side fold line, and shrinking inward in the lateral direction. .
The pouch sleeve according to any one of claims 1 to 8, wherein the pouch is attached to the inside of the sleeve front surface and the sleeve rear surface.