JP5864152B2 - Storage bag - Google Patents

Description

  The present invention relates to a storage bag, and particularly to a storage bag having a certain thickness.

  12 is a front view of a conventional storage bag, FIG. 13 is a cross-sectional view taken along the line XIII-XIII shown in FIG. It is the cross-sectional perspective view which showed the use condition of the storage bag.

With reference to these drawings, the storage bag 80 is made of polyethylene, vinyl, or the like, and is provided with a chuck 84 made of a detachable ridge line 82 and a ridge line 83 that can be attached to and detached from each other inside the vicinity of the mouth portion 81. Thus, the mouth part 81 can be freely opened and closed. Inside, a heat insulating bag 85 made of synthetic resin having closed cells formed slightly smaller than the storage bag 80 at a position below the chuck 84 is stored, and an edge portion of the heat insulating bag 85 is stored in the storage bag 80 by an adhesive or the like. It is united with. A punched hand hole 87 is formed at a substantially central portion of the storage bag 80 at a position above the bonding portion 86 of the heat insulating bag 85.
In use, the mouth portion 81 is opened, and the stored item 90 is put inside the heat insulating bag 85, and then the chuck 84 is engaged to close the mouth portion 81. Then, while the inside of the heat insulation bag 85 is shielded from the outside air, and the entire stored item 90 is covered with the heat insulating bag 85, the influence of the outside air on the stored item 90 is extremely reduced, and the stored item 90 is kept in a cold state It becomes possible to maintain a heat insulation state for a long time. It should be noted that the stored item 90 can be taken out simply by opening the chuck 84.

Japanese Utility Model Publication No. 49-77021

  The conventional storage bag as described above has an overall thickness due to the built-in heat insulation bag, and becomes bulky when a stored item is put therein. In addition, even if it is going to fold up the excess part of a storage bag in the state which put the storage thing, and it tries to reduce a bulk, it does not fold well due to the thickness of a heat insulation bag, and it remains bulky.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a storage bag that is kept in a superposed state and is not bulky.

In order to achieve the above-mentioned object, the invention according to claim 1 is formed in a bag shape having an opening, and is folded at the side of the opening opposite to the opening and the opening, and is folded in use and stacked on the storage. And a bent body that is foldable and has plasticity, and each of the storage body and the bent body is mainly made of synthetic resin. A line having at least a portion thinner than the thickness of the other portion is formed at a portion where the storage portion and the cover portion are bent .

If comprised in this way, a bending body will also deform | transform with bending. Moreover, the separation process at the time of disposal or recycling becomes unnecessary. Furthermore, bending resistance is reduced.
The invention according to claim 2 is formed in a bag shape having an opening, and includes a storage part on the side opposite to the opening and a cover part that is on the side of the opening and is folded during use and overlapped with the storage part. And a bent body that is attached to the folding position of the storage portion and the cover portion, is foldable and has plasticity, and each of the storage body and the bent body is formed mainly of a synthetic resin and constitutes the cover portion. The thickness of one of the paired first sheet bodies is smaller than the thickness of the pair of second sheet bodies of the same thickness facing each other, and the other thickness of the first sheet body is the second sheet. It is set to be the same as the body thickness.
If comprised in this way, a bending body will also deform | transform with bending. Moreover, the separation process at the time of disposal or recycling becomes unnecessary. Furthermore, the thickness of the cover portion when superimposed is suppressed.

According to a third aspect of the present invention, in the configuration of the first or second aspect of the present invention, the bent body is a bone body having a rod shape, and the bone body is attached in a direction crossing the bending position.

  If comprised in this way, the tolerance | permissible_range of a bending position will expand.

According to a fourth aspect of the present invention, in the configuration of the third aspect of the present invention, the storage body is formed in a rectangular shape when viewed from the front when the opening portion is faced up, and the bone bodies are configured as a pair and are in a bent position. It is attached along each of a pair of sides of the storage body that intersects.

  If comprised in this way, a bone body will be located in the both ends side of a bending position.

According to a fifth aspect of the present invention, in the configuration of the first aspect of the invention, the storage body is composed of a sheet body in which a heat insulating material is sandwiched between a pair of heat-meltable synthetic resin films, and the filament is a synthetic resin film. Each of these is formed by heat-sealing.

  If comprised in this way, a filament can be formed in a desired position.

According to a sixth aspect of the present invention, in the configuration of the second aspect of the present invention, the other of the first sheet body and each of the second sheet body have the same configuration in which a synthetic resin film and a heat insulating material are bonded together. One of the first sheet bodies is composed only of a synthetic resin film.

If comprised in this way, a heat insulating material will be contained in the other of the 1st sheet | seat body which comprises a cover part.
According to a seventh aspect of the present invention, in the configuration of the second aspect of the present invention, a filament having at least a portion having a thickness smaller than the thickness of the other portion is formed in a portion where the storage portion and the cover portion are bent. Is.
If comprised in this way, the resistance of bending will reduce.

As described above, the invention according to claim 1 is not bulky because the bent body is deformed along with the bending, and thus the superposed state is maintained. Further, since the separation process becomes unnecessary, the disposal or the recycling process becomes easy. Furthermore, since the bending resistance is reduced, it is easy to bend and the folded state is not bulky.
The invention according to claim 2 is not bulky because the bent body is deformed along with the bending, and thus the superposed state is maintained. Further, since the separation process becomes unnecessary, the disposal or the recycling process becomes easy. Furthermore, since the thickness of the cover portion when superimposed is suppressed, the folded state is not bulky.

According to a third aspect of the invention, in addition to claim 1 or claim 2 Effect of the invention described, the allowable range of bending position because enlarged, thereby enhancing usability.

In the invention according to claim 4 , in addition to the effect of the invention according to claim 3, since the bone bodies are located at both ends of the folding position, the folded state is stabilized.

According to the fifth aspect of the invention, in addition to the effect of the first aspect of the invention, the filament can be formed at a desired position, so that the bending position can be easily set.

In the invention according to claim 6 , in addition to the effect of the invention according to claim 2 , since the other side of the first sheet body constituting the cover part includes a heat insulating material, the heat insulating effect of the first sheet body even when bent. Demonstrate.
In addition to the effect of the invention of the second aspect, the invention according to the seventh aspect reduces the folding resistance, so that the folding becomes easy and the folded state is not bulky.

It is a front view of the storage bag by 1st Embodiment of this invention. It is a rear view of the storage bag shown in FIG. FIG. 3 is an end view of the III-III line shown in FIG. 1. FIG. 4 is an enlarged view of a portion “X” shown in FIG. 3. It is an end view of the VV line shown in FIG. FIG. 6 is an enlarged view of a “Y” portion shown in FIG. 5. It is the schematic diagram which showed the manufacturing process of the intermediate sheet body formed in the middle of the manufacturing process of the storage bag shown in FIG. It is the schematic diagram which showed the process of manufacturing a storage body from the intermediate sheet body shown in FIG. It is the schematic diagram which showed the process of manufacturing the storage bag shown in FIG. 1 from the storage body shown in FIG. It is the schematic diagram which showed the use condition of the storage bag shown in FIG. It is the schematic diagram which showed the state which turned up the corner part of the accommodating part shown in FIG. It is a front view of the conventional storage bag. It is sectional drawing of the XIII-XIII line shown in FIG. 12, Comprising: It is the figure which cut off the middle part. It is the cross-sectional perspective view which showed the use condition of the storage bag shown in FIG.

  FIG. 1 is a front view of a storage bag according to the first embodiment of the present invention, FIG. 2 is a rear view of the storage bag shown in FIG. 1, and FIG. 4 is an end view of the line III, FIG. 4 is an enlarged view of the “X” portion shown in FIG. 3, FIG. 5 is an end view of the VV line shown in FIG. 1, and FIG. FIG. 6 is an enlarged view of a “Y” portion shown in FIG. 5.

  With reference to these drawings, the storage bag 1 includes a storage body 10 and a pair of bone bodies 50a and 50b.

  1 to 4, the container 10 has an opening 11, is formed in a rectangular bag shape when viewed from the front when the opening 11 is on the upper side, and is opposite to the opening 11. The storage unit 12 includes a storage unit 12 and a cover unit 13 which is on the opening 11 side and is folded and overlapped with the storage unit 12 when used. The cover portion 13 is composed of a pair of first sheet bodies 21a and 21b having different thicknesses, and the storage portion 12 is composed of a pair of second sheet bodies 22 having the same thickness facing each other.

  One first sheet body 21a is made of a polypropylene (PP) film having a thickness of 40 μm.

Each of the other first sheet body 21b and the second sheet body 22 has a heat insulating material 32 made of a non-woven fabric made of PP with a basis weight of 80 g / m ² , and a printed layer formed on the surface facing the heat insulating material 32. Thickness made of aluminum vapor deposition polypropylene (VMPP) in which aluminum vapor deposition is performed on the outer surface film 31 made of a 30 μm thick film made of non-axially stretched polypropylene (CPP) and the surface opposite to the side facing the heat insulating material 32 The aluminum vapor-deposited surface of an aluminum vapor-deposited film 33 made of a 25 μm film is sandwiched between an inner film 35 covered with a protective film 34 made of a CPP-made film having a thickness of 20 μm. That is, the thickness of one first sheet body 21a is thinner than the thickness of the other first sheet body 21b and the second sheet body 22, and the thickness of the other first sheet body 21b is the second sheet body 22. It is set to be the same as the thickness. The effect by having comprised in this way is mentioned later.

  The first sheet body 21b and the first sheet body 21b are linearly stretched from one of the pair of sides of the storage body 10 intersecting the folding position to the portion of the storage body 10 where the storage portion 12 and the cover portion 13 are folded. Lines 40a, 40b, 40c, 40d, and 40e having a thickness smaller than the thickness of the other portions generated by compressing each heat insulating material 32 of the second sheet body 22 are formed. The effect by having comprised in this way is mentioned later. Each of the filaments 40a, 40b, 40c, 40d and 40e is formed by ultrasonic sealing. If comprised in this way, since the filament 40 can be formed in a desired position, the setting of a bending position becomes easy.

  In addition, the strips 45a and 45b similar to the strips 40a, 40b, 40c, 40d and 40e are also formed in the vicinity of the corners 15a and 15b below the storage unit 12, but this is because of the construction. The effect will also be described later.

  1, 2, 5, and 6, the bone bodies 50 a and 50 b have a rod shape, and a pair of sides of the storage body 10 that intersects the folding position of the storage section 12 and the cover section 13. Ultrasonic waves around each of the bone bodies 50a and 50b while being sandwiched between one first sheet body 21a and the other first sheet body 21b or second sheet body 22 By applying the seal, it is attached in a direction crossing the folding position. Each of the bone bodies 50a and 50b is made of a material that can be bent and has plasticity. The effect by having comprised in this way is mentioned later.

  Each of the bone bodies 50a and 50b is formed mainly of a synthetic resin. If comprised in this way, since the separation process of the storage body 10 and the bone bodies 50a and 50b becomes unnecessary, disposal or a recycling process becomes easy.

  FIG. 7 is a schematic view showing a manufacturing process of an intermediate sheet formed in the middle of the manufacturing process of the storage bag shown in FIG. 1, and FIG. 8 shows the storage from the intermediate sheet shown in FIG. FIG. 9 is a schematic diagram showing a process for manufacturing the storage bag shown in FIG. 1 from the storage body shown in FIG.

  First, referring to (1) of FIG. 7, one of the first sheet bodies 21a wound in a roll shape (right end portion state), and the other first sheet body 21b and the second sheet shown in FIG. What prepared the roll sheet (state of the right end part) of the lamination sheet body 23 used as the sheet body 22 is prepared, and each of the 1st sheet body 21a and the lamination sheet body 23 is pulled out from each of a roll. Here, one of the end portions orthogonal to the width direction of the first sheet body 21 a and one of the end portions orthogonal to the width direction of the laminated sheet body 23 are overlapped, and the overlap portion 24 is formed using the ultrasonic sealing machine 61. Ultrasonic sealing is performed to form the filament 40a, and the first sheet 21a and the laminated sheet 23 are integrated to form the intermediate sheet 25. Note that the distance from the overlapping portion 24 to the other end portion of the first sheet body 21a is L / 4, and the distance from the overlapping portion 24 to the other end portion of the laminated sheet body 23 with respect to the width L of the intermediate sheet body 25. Set to 3L / 4.

  Next, referring to (2) of FIG. 7, the intermediate sheet body 25 is subjected to ultrasonic treatment to form each of the filaments 40b, 40c, 40d and 40e, and then the intermediate sheet body 25 is moved in the width direction. Wrap it in half.

  Next, referring to (1) in FIG. 8, the intermediate sheet body 25 shown in (2) in FIG. 7 is subjected to ultrasonic sealing using an ultrasonic sealing machine 62 in the width direction at predetermined intervals. A boundary portion 26 is formed.

  Next, with reference to (2) of FIG. 8, the intermediate sheet body 25 is cut | disconnected in the boundary part 26 shown in (1) of FIG.

  Next, referring to (1) of FIG. 9, each of the bone bodies 50a and 50b is inserted from the opening 11 of the storage body 10 shown in (2) of FIG. 8, and one first sheet body 21a is inserted. And the other first sheet body 21b or the second sheet body 22. Then, an ultrasonic seal is applied around each of the bone bodies 50a and 50b at the above-described predetermined position, and each of the bone bodies 50a and 50b is attached in a direction intersecting with the folding position of the storage portion 12 and the cover portion 13.

  Finally, referring to (2) of FIG. 9, ultrasonic seals are applied to both the front side and the back side of the storage unit 12 in the vicinity of the lower corners 15a and 15b of the storage unit 12, and the filament 45a and 45b is formed and the manufacturing process of the storage bag 1 is complete | finished.

  FIG. 10 is a schematic diagram illustrating a usage state of the storage bag illustrated in FIG. 1.

  First, referring to (1) of FIG. 10, the opening portion 11 of the storage bag 1 is opened and the stored item 90 is put into the storage portion 12.

  Next, with reference to (2) of FIG. 10, the cover part 13 is raised to the storage part 12 side. At this time, since the filaments 40a and 40d are formed at the folding positions of the storage portion 12 and the cover portion 13, the bending resistance is reduced. Therefore, the cover portion 13 is easily bent.

  Further, since each of the bone bodies 50a and 50b can be bent as described above, the bone bodies 50a and 50b are also deformed as the cover portion 13 is bent.

  Finally, referring to (3) of FIG. At this time, since the line 40c is formed, the cover 13 is easy to bend, and the folded state is not bulky together with the ease of bending in the lines 40a and 40d. In addition, since the first sheet body 21a of the cover portion 13 is formed thinner than the second sheet body 22 of the storage portion 12, the thickness of the cover portion 13 when superimposed is suppressed, and the folded state is not bulky. . Furthermore, since the heat insulating material 32 shown in FIG. 4 is contained in the other 1st sheet | seat body 21b which comprises the cover part 13, the heat insulation effect of the 1st sheet | seat body 21b is exhibited also at the time of bending.

  As the cover portion 13 is bent, the bone bodies 50a and 50b are also deformed as described above, and the shapes of the bone bodies 50a and 50b are maintained by their own plasticity, and the bone bodies 50a and 50b are maintained. As shown in FIG. 1, since each is located at both ends of the folding position, the folded state is stabilized.

  Furthermore, each of the bone bodies 50a and 50b is attached in a direction crossing the bent portion of the storage portion 12 and the cover portion 13, and is attached across each of the filaments 40a, 40b, 40c, 40d, and 40e. Therefore, the bent state is stabilized even when the wire 40a, 40c and 40d are bent as well as the wire 40b and 40e. That is, since the allowable range of the bending position is expanded, usability is improved.

  FIG. 11 is a schematic diagram showing a state in which the corner of the storage unit shown in FIG. 1 is folded.

  First, referring to FIG. 11 (1), the stored item 90 is put into the storage unit 12.

  Next, referring to (2) of FIG. 11, the corners 15 a and 15 b of the storage unit 12 are folded back toward the stored item 90. At this time, since the line 45a is formed between the corner 15a and the stored item 90, and the line 45b is formed between the corner 15b and the stored item 90, the corners 15a and 15b are formed. Folding is easy. Further, the folded state is not bulky, and the corners of the storage portion 12 are removed, and the bulkiness phenomenon is further reduced.

  In the first embodiment described above, each of the other first sheet body and second sheet body has a heat insulating material sandwiched between synthetic resin films, but at least the synthetic resin film and the heat insulating material. As long as the are attached together.

  In the first embodiment, each of the filaments is formed by ultrasonic sealing. However, if the wire is formed to be thinner than other portions, it is formed by another method. May be.

  Furthermore, in the first embodiment described above, the filaments are continuously thin and linear, but have a shape having at least a portion with a thickness smaller than the thickness of other portions, such as a perforation. May also be used as a filament.

  Furthermore, in the first embodiment, each of the storage body and the bone body is formed mainly of synthetic resin, but may be formed of other materials.

  Furthermore, in the first embodiment described above, the storage body is formed in a rectangular shape in front view, but may be formed in other shapes.

  Further, in the first embodiment described above, each of the bone bodies is attached so as to be along each of the pair of sides of the storage body that intersects the folding position. It may be done.

  Furthermore, in the first embodiment described above, a rod-shaped bone body is used as the bent body, but other shapes may be used as the bent body.

  Furthermore, in the first embodiment described above, the bone bodies are a pair, but it is sufficient that at least one bone body is attached.

  Furthermore, in the first embodiment described above, each of the bone bodies is attached in a direction crossing the folding position, but may be attached in another direction as long as it is the folding position.

  Furthermore, in the first embodiment described above, the bone body is sandwiched between one first sheet body and the other first sheet body or the second sheet body and attached to both sheet bodies. It may be attached only to one of the sheets. If comprised in this way, the inside of a storage part will spread easily.

  Furthermore, in the first embodiment described above, each of the bone bodies is formed mainly of synthetic resin, but may be formed of other materials such as shape memory alloy and shape memory resin. . If it does in this way, it will become a storage bag which can maintain an opening-and-closing state by temperature etc.

  Furthermore, in the first embodiment described above, each of the bone bodies is attached in the range from the bent portion to the middle of the storage portion and the cover portion. It may be attached in a wide range or may be attached in a narrower range centering on the bent portion.

  Furthermore, in the first embodiment, the closed state of the storage bag is maintained only by the bone body. However, in order to assist the closed state of the storage bag, a surface fastener or the like is installed, And an insertion port into which the insertion piece is inserted may be formed in the storage bag.

  Furthermore, in the first embodiment, the heat insulating material is made of a non-woven fabric. However, for example, another heat insulating material such as foamed polyethylene (PE) may be used. Examples of the heat-insulating sheet include a foamed PE sheet having a thickness of 1 mm, and a 12 μm thick polyethylene terephthalate (PET) film having a 12 μm thick aluminum deposited polyethylene terephthalate (VMPET) film. The film may be sandwiched between a laminated film made of the film and a PE film having a thickness of 22 μm.

  Furthermore, in the above first embodiment, the storage body is made of a material in which a heat insulating material is sandwiched between synthetic resin films, but the heat insulating material may not be provided.

  Furthermore, in the first embodiment, the thickness of the synthetic resin film forming the first sheet body and the second sheet body is set to a specific dimension. However, the thickness may be set to other dimensions. . However, if it is too thin, it tends to be broken, which is not preferable. Moreover, since it will become bulky when too thick, this is also not preferable. A preferred thickness is 20 μm or more and 100 μm or less.

  Furthermore, in said 1st Embodiment, although each of the 1st sheet body and the 2nd sheet body consisted of the synthetic resin film of the same raw material, another raw material may be sufficient. However, the same material is preferable in order to improve the adhesion of the ultrasonic seal.

  Furthermore, in the first embodiment, each of the first sheet body and the second sheet body is made of a synthetic resin film, but other soft materials such as cloth, nonwoven fabric, synthetic fiber, and chemical fiber are used. It may be made up of.

  Furthermore, in the first embodiment, the storage bag is formed using an ultrasonic seal, but may be formed using sewing or heat sealing.

DESCRIPTION OF SYMBOLS 1 ... Storage bag 10 ... Storage body 11 ... Opening part 12 ... Storage part 13 ... Cover part 21a, 21b ... 1st sheet body 22 ... 2nd sheet body 31 ... Outer surface film 32 ... Heat insulating material 35 ... Inner surface film 40a, 40b, 40c, 40d, 40e ... linear 50a, 50b ... bone body In each figure, the same code | symbol shows the same or an equivalent part.

Claims (7)

A storage body that is formed in a bag shape having an opening, and includes a storage part opposite to the opening and a cover part that is bent at the time of use and overlapped with the storage part;
A bending body that is attached to a folding position of the storage portion and the cover portion and is foldable and has plasticity ;
Each of the storage body and the bent body is formed mainly of a synthetic resin,
A storage bag in which a filament having at least a portion having a thickness smaller than the thickness of other portions is formed in a portion where the storage portion and the cover portion are bent . A storage body that is formed in a bag shape having an opening, and includes a storage part opposite to the opening and a cover part that is bent at the time of use and overlapped with the storage part;
A bending body that is attached to a folding position of the storage portion and the cover portion and is foldable and has plasticity;
Each of the storage body and the bent body is formed mainly of a synthetic resin,
The thickness of one of the pair of opposed first sheet bodies constituting the cover part is smaller than the thickness of the pair of second sheet bodies opposed to each other having the same thickness constituting the storage part. A storage bag in which the other thickness is set to be the same as the thickness of the second sheet body. The storage bag according to claim 1, wherein the bent body is formed of a bone body having a rod shape, and the bone body is attached in a direction intersecting the bending position. The storage body is formed in a rectangular shape when viewed from the front when the opening is on the top,
The storage bag according to claim 3 , wherein the bone bodies are configured as a pair and are attached along each of a pair of sides of the storage body that intersects the bending position. The storage body is composed of a sheet body in which a heat insulating material is sandwiched between a pair of heat-meltable synthetic resin films,
The striatum, the formed each of the synthetic resin film by heat-sealing, claim 1 storage bag according. The other of the first sheet bodies and each of the second sheet bodies have the same configuration in which a synthetic resin film and a heat insulating material are bonded together, and the one of the first sheet bodies is composed only of a synthetic resin film. The storage bag according to claim 2 . The storage bag according to claim 2, wherein a line having at least a portion having a thickness smaller than that of the other portion is formed at a portion where the storage portion and the cover portion are bent.

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