JP6278563B2 - Storage bag - Google Patents

Description

  The present invention relates to a storage bag.

  A plastic sheet bag having a handle portion protruding upward from an opening is known. (Patent Document 1). However, there is a problem that the capacity of the bag is not sufficient, and holding the plastic sheet bag containing a heavy item causes the handle to bite into the hand and hurt. Furthermore, improvement of the production efficiency of the storage bag is desired.

Japanese Patent Application Laid-Open No. 07-251848

  The present invention has been made in order to solve the above-described conventional problems. The object of the present invention is to have a handle portion that functions as a handle, has a high capacity, and can hold a heavy object even when it is stored. An object of the present invention is to provide a storage bag in which a hand does not bite into a hand and high production efficiency can be realized.

The storage bag of the present invention is
A storage bag having a bag body portion and a handle portion,
The bag body portion is an envelope shape in which three sides out of four sides that define the outline are sealed and have an opening,
An elongated cutout portion configured to cut out the sealed portion in the vicinity of both ends of the bag body portion in the length direction of one side of the four sides is provided,
The handle portion is a belt-like sheet disposed close to at least one surface of the bag body portion, and both end portions of the handle portion are attached to the cutout portion,
By cutting out the cutout portion, the attachment portion moves in a direction approaching the center of the bag body portion in the length direction of the one side, and the handle portion functions as a handle of the storage bag. It is configured to be able to.
In one embodiment, the storage bag is
The handle portion is provided on both sides of the bag body,
The handle is attached to both sides of the cutout,
By cutting out the cutout portion, the attachment portion moves in the direction approaching the one side while approaching the center of the bag body portion in the length direction of the one side, and the pair of handle portions are combined. Thus, it can function as one handle of the storage bag.
In one embodiment, in the storage bag,
The handle portion is provided on both sides of the bag body,
Both end portions of one handle portion and both end portions of the other handle portion are joined through through holes formed in the cutout portion.
According to another aspect of the present invention, a method for manufacturing a storage bag is provided.
The manufacturing method of this storage bag is:
A step of preparing a bag body portion in which three sides out of four sides defining the outer shell are sealed and have an opening shape; and
A step of forming an elongated cutout portion so as to cut out the sealed portion in the vicinity of both ends of the bag body portion in the length direction of one side of the four sides;
A step of forming a handle portion formed as a belt-like sheet, the belt-like sheet being disposed in the vicinity of at least one surface of the bag body portion, and both ends of the belt-like sheet being attached to the cut-out portion Forming a handle portion.

  According to the present invention, a storage bag that has a handle portion that functions as a handle, has a high capacity, does not bite into the hand even when a heavy object is stored, and can realize high production efficiency. it can.

1 is a schematic perspective view of a storage bag according to one embodiment of the present invention. It is a schematic plan view explaining one state of the storage bag used for one embodiment of the present invention. It is a schematic plan view explaining another state of the storage bag used for one embodiment of the present invention. It is the schematic for demonstrating the outline of the manufacturing method of the storage bag by one Embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings, but the present invention is not limited to these embodiments.

A. Storage Bag FIG. 1 is a schematic perspective view of a storage bag according to one embodiment of the present invention. The storage bag 100 has one bag body portion 10 and at least one handle portion. In the illustrated example, the storage bag 100 has handle portions 20f and 20r.

  Of the four sides 11a to 11d that define the outline of the bag body 10, the bag body 10 is sealed by, for example, heat sealing within a predetermined width from the three sides 11b, 11c, and 11d. As a result, the bag main body 10 is formed in an envelope shape having an opening 12 at the center of the side 11a. The capacity | capacitance of the bag main-body part 10 can be set according to the objective, and may be small and may be high capacity | capacitance. The effect of the present invention becomes remarkable when the capacity is high.

  In the illustrated example, the width of the sealed portion from the side 11b is substantially constant at the center of the side 11b, and the width increases in a reverse tapered shape toward both ends of the side 11b. Similarly, the width from the side 11d of the sealed portion is substantially constant at the center of the side 11d, and the width increases in a reverse tapered shape toward both ends of the side 11d. In the illustrated example, the side 11c is a bottom portion, and the width of the sealed portion from the side 11c increases in an arc shape toward both ends of the side 11c, so that the structure is suitable for storage (particularly storage of liquid). ing. Further, since a sealed portion having a substantially triangular shape in plan view is formed at the corner of the bag main body portion 10, the strength of the storage bag 100 is improved and the cutout portion can be easily formed. Since the width of the sealed portion from any one of the sides 11a to 11d increases toward both end portions of the arbitrary one side, a cut-out portion to be described later is formed on the sealed portion near both end portions of the arbitrary side. It becomes easy to provide.

  The region within a predetermined width from the side 11c may be configured such that the storage bag 100 itself can stand on its own. By having the said structure, the display property, desktop property, and display effect of a storage bag improve.

  The handle portion is disposed adjacent to at least one surface of the bag body portion. In the illustrated example, two handles 20f and 20r are arranged. The handle portion 20f is a belt-like sheet disposed close to one surface of the bag body portion 10, and the handle portion 20r is a belt-shaped sheet disposed close to the other surface of the bag body portion 10. Yes. By arranging the handle portion close to the surface of the bag body portion, the handle portion can be attached to the bag body portion using a sealing device for producing the bag body portion. As a result, a storage bag having a handle portion can be produced in-line, so that high production efficiency can be realized.

  The handle portion can be provided in the vicinity of any one of the four sides 11a to 11d. In the illustrated example, the handle portions 20f and 20r are provided in the vicinity of the side 11a. The handle portion may be provided so as to be substantially parallel to the arbitrary one side. The handle portions 20f and 20r are provided so as to be substantially parallel to the side 11a. In the illustrated example, the handle portions 20f and 20r (including the outer edge of the handle portion) are provided so as to be located at a predetermined distance from the side 11a having the opening. By providing the handle portion so as to be located a predetermined distance from the side 11a, it becomes easy to attach a spout or the like to the opening portion 12.

  The bag body 10 is provided with elongated cutout portions 13a and 13b. The cutout portions 13a and 13b are configured to be able to cut out a sealed portion in the vicinity of both ends of the bag body portion 10 in the length direction of the side 11a (that is, in the vicinity of the side 11b and the vicinity of the side 11d). In the illustrated example, the outlines of the cutout portions 13a and 13b are defined by cut lines 133a and 133b, respectively.

  Cutout portions 13a and 13b typically extend in a direction approaching the central portion of bag body portion 10 in the length direction of side 11a. In the cutout portion 13a, an end portion far from the central portion of the bag body portion 10 is an end portion 131a, and the other end portion is an end portion 132a. In the illustrated example, the cutout portion 13a extends from the end portion 131a toward the end portion 132a in an oblique direction approaching the side 11a while approaching the central portion of the bag main body portion 10. Similarly, at both end portions of the cutout portion 13b, an end portion far from the central portion of the bag body portion 10 is an end portion 131b, and the other end portion is an end portion 132b. In the illustrated example, the cutout portion 13b extends in an oblique direction approaching the side 11a while approaching the central portion of the bag body portion 10 from the end portion 131b toward the end portion 132b.

  Both end portions of the handle portion 20f are respectively attached to one side of the cutout portions 13a and 13b. Both end portions of the handle portion 20r are respectively attached to the other side of the cutout portions 13a and 13b. A connecting portion between the end portions of the handle portions 20f and 20r and the cutout portion 13a is referred to as an attachment portion 21a, and a connecting portion between the end portions of the handle portions 20f and 20r and the cutout portion 13b is referred to as an attachment portion 21b. The positions of the attachment portions 21a and 21b are typically in the vicinity of the end portions 131a and 131b of the cutout portion. By having the said structure, the cutout parts 13a and 13b can be cut out, and the attachment parts 21a and 21b can be moved to the direction approaching the bag main-body part 10 center part. As a result, the handle portions 20f and 20r bend, so that the handle portion can easily function as a handle for the storage bag. It should be noted that the storage bag of the present invention may be held by a human or may be hooked on any appropriate hooking means (for example, a stand and a rack). Therefore, the handle includes latching on the latching means.

  Any appropriate aspect can be adopted as an aspect of attachment of the handle portion to the cutout portion. As said aspect, the aspect of the example of illustration demonstrated below and the aspect which the edge part of the handle part couple | bonded with the cutout part are mentioned, for example. In the illustrated example, through holes 14a and 14b are formed in the cutout portions 13a and 13b, respectively. The through hole 14a is formed in the vicinity of the end portion 131a of the cutout portion 13a, and the through hole 14b is formed in the vicinity of the end portion 131b of the cutout portion 13b. One end portion of the handle portion 20f and one end portion of the handle portion 20r are directly coupled to each other through the through hole 14a, and the other end portion of the handle portion 20f and the other end portion of the handle portion 20r. Are directly coupled through the through hole 14b. By connecting the end portions of the handle portions 20f and 20r through the through-holes, the cut-out cutout portion can be rotated to change the direction. As a result, it is possible to prevent the cutout portion that has been cut out from protruding in the direction of the handle and obstructing the handle. When the end portion of the handle portion is coupled to the cutout portion, the coupling portion is used as an attachment portion. In addition, as a coupling mode, any appropriate mode can be adopted. As said aspect, the coupling | bonding through a heat seal | sticker and an adhesive agent is mentioned, for example. The handle portion is a belt-like sheet disposed close to at least one surface of the bag body portion, and both ends of the handle portion are attached to the cutout portions, thereby widening the width of the handle portion. can do. As a result, it is possible to realize a storage bag that does not bite into a hand even when a heavy object is stored.

Any appropriate material can be adopted as the material constituting the storage bag 100. Examples of the material include plastic. The following structure is mentioned as an example of the structure of the bag main-body part 10 and the handle parts 20f and 20r of the storage bag 100. FIG.
PET # 16 / DL / NY # 25 / DL / LLDPE # 150
That is, the bag main body 10 and the handle parts 20f and 20r are constituted by laminated films. Furthermore, the laminated film comprises a polyethylene terephthalate film (trade name “FE2001”, manufactured by Phutamura Chemical Co., Ltd.) having a thickness of 16 μm and a nylon film (trade name “N1200”, manufactured by Toyobo Co., Ltd.) having a thickness of 25 μm. A film laminated by dry lamination (trade name “A-603 / C-83”, manufactured by Dainichi Seika Kogyo Co., Ltd.) was prepared, and a linear low density polyethylene film (trade name “trade name“ It is obtained by laminating “LL-XMTN” (Futamura Chemical Co., Ltd.) by dry lamination (trade name “A-603 / C-83”, manufactured by Dainichi Seika Kogyo Co., Ltd.).

B. Method for Using Storage Bag Hereinafter, a method for using the storage bag will be described. FIG. 2 is a schematic plan view illustrating one state of the storage bag 101 according to one embodiment of the present invention. In the present embodiment, as shown in FIG. 2, a spout 30 is attached to the opening 12 of the storage bag 101. In other respects, the storage bag 101 has the same configuration as the storage bag 100. A storage object 40 is stored in the storage bag 101. In this state, the cutout portions 13a and 13b are not cut out.

  Next, as shown in FIG. 3, the cutout portions 13a and 13b are cut out along the cut lines 133a and 133b, respectively, and the attachment portions 21a and 21b are inclined toward the side 11a while approaching the central portion of the bag body portion 10. Move. Since the attachment portion moves in a direction approaching the central portion of the bag body portion 10, the handle portions 20f and 20r arranged close to the surface of the bag body portion are bent, so that the handle portion is stored. Can function as a bag holder. Furthermore, the attachment portion moves toward the side 11a while approaching the center of the bag main body portion 10, whereby the pair of handle portions can be combined to function as one handle of the storage bag. In the illustrated example, the handle portions 20f and 20r are configured so that the storage bag 100 can be held with the side 11a upward and the side 11c downward. Furthermore, according to the present configuration, when holding the storage bag, the spout attached to the opening does not get in the way.

  Any appropriate storage object can be adopted as the storage object 40. The item to be stored may be a liquid or a solid. Examples of the liquid include beverages, medical supplies (for example, drugs, infusion solutions, and infusion solutions), detergents, and dyes. Examples of the solid include food, daily necessities, and clothing. A heavy object can also be suitably adopted as the above-mentioned storage object.

C. Hereinafter, a method for manufacturing a storage bag according to an embodiment of the present invention will be described with reference to the drawings. 4A to 4E are schematic views for explaining the outline of the method for manufacturing the storage bag 101 according to the embodiment of the present invention.

  First, as shown to Fig.4 (a), it is sealed in the predetermined width from 3 sides 11b-11d among 4 sides 11a-11d which define an outline, and is the envelope shape which has the opening part 12 in the center part of the side 11a The bag main body portion 10 is prepared.

  Next, as shown in FIG. 4B, elongated cutout portions 13a and 13b are formed so as to cut out a sealed portion near the end of the bag body portion 10. In the illustrated example, the cut-out portions 13a and 13b are formed by forming the cut lines 133a and 133b in the sealed portion near the end of the bag main body portion 10, respectively. Typically, the cutout portions 13a and 13b are formed so that the cutout portions 13a and 13b extend in a direction approaching the central portion of the bag main body portion 10. In the illustrated example, the cutout portions 13a and 13b are formed so that the cutout portions 13a and 13b extend in a direction approaching the side 11a while approaching the central portion of the bag main body portion 10.

  As necessary, as shown in FIG. 4C, through holes 14a and 14b are formed in the cutout portions 13a and 13b, respectively. After forming the through holes 14a and 14b, the cutout portions 13a and 13b may be formed. Typically, the through holes 14a and 14b are formed so that the through hole 14a is positioned in the vicinity of the end portion 131a of the cutout portion 13a and the through hole 14b is positioned in the vicinity of the end portion 131b of the cutout portion 13b.

  Next, as shown in FIG. 4 (d), the two belt-like sheets are arranged close to the surfaces on both sides of the bag body 10. In the illustrated example, the end of one strip sheet and the end of the other strip sheet are directly coupled through the through hole 14a, and the other end of one strip sheet and the other end of the other strip sheet are joined together. Direct coupling is made through the through hole 14b. As a result, a handle portion 20f and a handle portion 20r which are formed as a belt-like sheet are formed.

  Next, as shown in FIG. 4 (e), the spout 30 is attached to the opening 12 as needed to obtain the storage bag 101.

  The storage bag of the present invention can be suitably used for storing products in various industrial fields. Examples of products stored in such storage bags include beverages, medical supplies, detergents, dyes, foods, daily necessities, and clothing.

DESCRIPTION OF SYMBOLS 10 Bag main-body part 12 Opening part 13a, 13b Cutout part 14a, 14b Through-hole 20f, 20r Handle part 21a, 21b Attachment part 100, 101 Storage bag

Claims (4)

A storage bag having a bag body portion and a handle portion,
The bag body portion is an envelope shape in which three sides out of four sides that define the outline are sealed and have an opening,
An elongated cutout portion configured to cut out the sealed portion in the vicinity of both ends of the bag body portion in the length direction of one side of the four sides is provided,
The handle portion is a belt-like sheet disposed close to at least one surface of the bag main body portion, and both ends of the handle portion are attached to the cutout portion in a state where the handle portion is not cut out .
By cutting out the cutout portion, the attachment portion moves in a direction approaching the center of the bag body portion in the length direction of the one side, and the handle portion functions as a handle of the storage bag. Is configured to be
Storage bag. The handle portion is provided on both sides of the bag body portion,
The handle portion is attached to both sides of the cutout portion,
By cutting out the cutout portion, the attachment portion moves toward the one side while approaching the center of the bag body portion in the length direction of the one side, and the pair of handle portions are combined. Configured to function as one handle of the storage bag.
The storage bag according to claim 1. The handle portion is provided on both sides of the bag body portion,
Both end portions of one handle portion and both end portions of the other handle portion are respectively coupled through through holes formed in the cutout portion.
The storage bag according to claim 1 or 2. A method for manufacturing a storage bag, comprising:
A step of preparing a bag body portion in which three sides out of four sides defining the outer shell are sealed and have an opening shape; and
A step of forming an elongated cutout portion so as to cut out the sealed portion in the vicinity of both ends of the bag body portion in the length direction of one side of the four sides;
A step of forming a handle portion formed as a belt-like sheet, wherein the belt-like sheet is disposed in the vicinity of at least one surface of the bag body, and both end portions of the belt-like sheet are not cut out. and a step of forming a handle portion by attaching to the said cutout,
A method of manufacturing a storage bag.

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