JP2001240079A - Article storage bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an article storage bag having a bag mouth section to be easily opened and closed and repeated by used. SOLUTION: Respective faces of both front and rear plate sections 12 and 13 facing each other with respective one ends and also the other ends of both of the front and rear plate sections with the other ends respectively connected with respective outer faces of the upper sections of both of front and rear sheets through a first thin-walled hinge 14 are respectively fixed on respective outer faces of the upper sections of both of the front and rear sections forming the bag mouth section 6 in the state of closing the bag mouth of the bag 1 with an opening formed on its upper end, and a mouth opening and closing tool 11 formed of an elastic material is provided. The inner faces of the both of the front and rear plate sections 12 and 13 are fixed on the outer faces of both sheets 2 and 3 by folding stop plates 17 standing up from the upper faces of both of the front and rear plate sections through a second thin-walled hinge 18 to the inner face sides, and fixing and folding a protruded fitting means 19 provided on the other side into recessed fitting means 20 provided on one of either the stop plates 17 or the inner faces of both of the front and rear plate sections through both sheets.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an article storage bag, and more particularly to an article storage bag that can carry foods such as confectionery and other various articles.

[0002]

[Prior art]

For example, Japanese Utility Model Application Publication No.
No. 13377 discloses that the lower end of the front and rear seat portions and the left and right side portions are folded back and the upper end opening of the bag body is closed with a closing device, and the left or right side of the bag body is made of a different material from the other portions of the bag body. An article storage bag which is formed and opened by tearing a joint between these dissimilar materials is disclosed.

[0003] However, if the bag contains granular material such as peanuts, for example, the type of the stored item is limited because the stored item may fall out of the tear when the bag body is torn. After the bag body tears, the article cannot be stored again.

[0004] In view of these points, the invention of the present application uses a front and rear plate portion in which each end is connected and overlapped by a first thin hinge in order to improve ease of use by facilitating opening and closing of the bag body opening. A mouth opening / closing device is formed, and the front and rear plate portions or a hanging plate suspended from the both plate portions are fixed to upper outer surfaces or inner surfaces of the front and rear sheet portions of the bag body, and It is an object of the present invention to provide an article storage bag in which the other ends are fixed to each other.

[0005]

The first means is to provide a bag 1 having an opening at an upper end surface in which both left and right side portions of front and rear sheet portions 2 and 3 are folded bent portions 4 and 4, and in a state where the bag mouth is closed. To the outer surfaces of the upper and lower upper and lower sheet portions 5,5 forming the bag opening 6,
Both front and rear plate portions with one end connected by the first thin hinge 14 and overlapped
Each of the opposing surfaces 12 and 13 and the other end of the front and rear plate portions are fixed to each other, and the mouth opening / closing member 11 formed of an elastic material is formed. 3 The inner surfaces of the front and rear plate portions 12 and 13 are fixed to the outer surface by turning a stopper plate 17 erected from the upper surface of the front and rear plate portions through the second thin hinge 18 toward the inner surface side of both seats, and The concave fitting means 20 provided on one side with the inner surface of the plate portion, and the convex fitting means provided on the other side
19 is firmly fitted with the two sheet portions interposed therebetween, and the other ends of the front and rear plate portions 12 and 13 are fixed to each other in the second fitting hole 21 formed in one of the two plate portions. A second fitting projection 22 having a retaining projection 23 is fitted on the outer surface of the distal end protruding from the other, and is formed respectively.

[0006] The second means comprises the first means,
In addition, a third thin hinge 25 is vertically provided near the center in the left-right direction of one of the front and rear plate portions 12, 13, and the stopper plate is provided at the upper end of the left and right side plate portions of the third thin hinge, respectively. 17 and 17 are attached.

The third means is a bag 1 having an opening at the upper end in which both left and right side portions of the front and rear sheet portions 2 and 3 are folded bent portions 4 and 4.
In the closed state of the bag mouth portion, the front and rear plate portions formed by connecting one end with the first thin hinge 14 to the inner surfaces of the upper portions 5 and 5 of the front and rear sheet portions forming the bag mouth portion 6 and overlapping each other. The outer surfaces of the hanging plates 43 and 44 which are suspended from the lower surface of the intermediate portion excluding the left and right portions of the 12 and 13 are fixed, and the other ends of the front and rear plate portions 12 and 13 are fixed to each other. The opening / closing device 11 is formed with the above-mentioned front and rear seat portions and the hanging plate 4.
3 and 44, one or more stopper plates 17 erected from the upper surfaces of the front and rear plate portions via the second thin hinge 18 are folded back to the outer surfaces of the two seat portions, and the hanging plates 43 and 44 The first convex engaging means 46 provided on one side of the stopper plate 17 and the first concave engaging means 45 provided on the other side
3 and the front and rear plates 12, 13
Are fixed to each other by fitting the second convex engaging means 48 provided at the other end of one of the two plate parts and the second concave engaging means 47 provided at the other end of the other plate part. Then, each is formed.

[0008] The fourth means comprises the third means,
Further, by forming a vertical groove 51 on the outer surface of the center part in the left-right direction of the front and rear plate parts 12 and 13 and the two hanging plates 43 and 44 suspended from the plate parts, the plate part having the vertical groove is formed. Thin elastic bend
Along with 52, the notch 53 is vertically provided on the stop plate 17 portion above the elastic bending portion, so that the plate portions on both sides of the cut,
It is formed to be individually foldable.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIGS.
A first embodiment of the present invention will be described.

Reference numeral 1 denotes a bag made of a soft synthetic resin. In the bag, both left and right side portions of the front and rear sheet portions 2 and 3 are folded back portions 4 and 4, and upper portions 5 and 5 of the front and rear sheet portions are formed in a bag mouth portion 6.

A mouth opening / closing tool 11 is attached to the bag mouth. The mouth opening and closing device is configured such that a front plate portion 12 and a rear plate portion 13 formed in substantially the same band shape, which are thinner than the left and right widths of the bag mouth portion 6, are overlapped with each other, and one end of each of the two plate portions in the left and right direction. Are connected to each other by a first thin hinge 14 so that the front and rear plates can be freely opened and closed as shown in FIGS. The mouth opening / closing tool 11 is integrally formed by injection molding or the like in the state shown in FIG. The bag mouth portion 6 is inserted between the front and rear plate portions, and the upper surfaces 5 and 5 of the front and rear sheet portions forming the bag mouth portion are fixed to the inner surfaces of the front and rear plate portions as described later. Also, as shown in FIG.
Projecting pieces 16, 16 with through holes 15 for hanging strings, which will be described later, stand upright from the upper end surfaces near the left end of 12 and near the right end of the rear plate portion 13, respectively.

Except for these protruding piece forming portions, a plurality of stopper plates 17 for fixing the two sheet portions are attached to the upper end surfaces of the front and rear plate portions at intervals in the longitudinal direction of each plate. These stopper plates are respectively erected from the upper end surfaces of the front and rear plate portions via the second thin hinges 18 and folded inwardly. The upper portion of the front seat portion 2 is located between the front plate portion 12 and the stopper plate 17 with the plate portion, and the rear seat portion is located between the rear plate portion 13 and the stopper plate 17 with the plate portion. The upper portions 3 are inserted, respectively, and a convex fitting means 19 is provided on one surface of the stopper plate 17 which faces the inner surfaces of the front and rear plate portions via the respective upper portions 5. Corresponding to the position of the convex fitting means, concave fitting means 20 formed by fitting holes or the like are formed on the inner surfaces of the front and rear plate portions. As shown in FIG. 5, the concave fitting means is such that the convex fitting means 19 can be firmly fitted into the means with the upper portions 5, 5 of the front and rear sheet portions 2, 3 interposed therebetween. The inner diameter is formed larger than the outer diameter of the means, and the outer surfaces of the upper portions 5, 5 of the seat portion and the inner surfaces of the front and rear plate portions 12, 13 are fixed by the fixed fitting.

Further, the front and rear plate portions 12 and 13 are configured so that the other end portions in the left and right direction located on the opposite side to the first thin hinge 14 can be fixed to each other with the stop plate 17 folded back. are doing. For example, as shown in the figure, a vertical groove-shaped second fitting hole 21 is formed in the left end of the front plate portion 12 and a rear plate portion is formed in upper and lower ends of the second fitting hole. A pair of upper and lower second fitting projections 22 and 22 projecting forward from the inner surface of the left end of 13 are respectively inserted, and retaining projections projecting vertically from the tip of the second fitting projection. The portions 23, 23 are formed so as to be engaged with the front surface of the left end portion of the front plate portion 12.

As shown in FIG. 4, when the left and right ends of the front and rear plate portions 12 and 13 are pushed inwardly left and right, the middle portion of the front and rear plate portions respectively moves forward and rearward as shown in FIG. It is formed of a synthetic resin material having such an elasticity that it can be deformed to open the bag mouth portion 6 and the bag mouth portion can be closed by eliminating the pushing force. In the illustrated example, in order to facilitate deformation of the front plate portion 12, a fourth thin hinge 24 is provided on the left side of the second fitting hole 21 and at an intermediate portion of the front plate portion excluding both left and right portions. The third thin hinges 25 are provided vertically, and stop plates 17, 17 for holding the upper portion of the front seat portion are attached to the upper ends of the left and right front plate portions of the third thin hinges.

Reference numeral 31 denotes a suspension string, and both ends of the string are fixed to the insertion holes 15 and 15.

The bag of the present invention is assembled as follows. First, the mouth opening / closing member 11 is bent from a state in which the front and rear plates 12, 13 are linearly opened as shown in FIG. 2 to a half-open state in which a V-shape is formed as shown in FIG.
From the standing state to the lower and inner portions of the front and rear plates as shown by arrows. Then, the upper portion of the front sheet portion 2 is inserted into the gap between the front plate portion 12 and the stop plate with the plate portion, and the rear portion is inserted into the gap between the rear plate portion 13 and the stop plate with the plate portion. After the upper portions of the seat portions 3 are inserted, the convex fitting means 19 is firmly fitted into the concave fitting means 20 with the upper portions of the seat portions interposed therebetween. It is fixed to the inner surfaces of both plates. When the second fitting protrusion 22 of the rear plate portion is inserted into the second fitting hole 21 of the front plate portion, the protrusion 23 for retaining is locked on the front surface of the front plate portion. The left ends of the plate portions are fixed to each other.

According to the above configuration, in the closed state of the bag mouth shown in FIG. 1, the mouth opening / closing tool 11 connects the front and rear plate portions 12, 13 having one end connected by the first thin hinge 14 to the front and rear of the bag 1. Both seat parts 2 and 3 Overlap each outer surface of the upper part, and both front and rear plate parts 12 and 13
Stop plate 17 protruding from the upper end surface via the second thin hinge 18
Is folded back to the inner side of both sheet portions, and the upper and lower plate portions 12, 13 and the stopper plate 17 are fixedly fitted with the concave and convex fitting means 20, 19 with the upper portions of the both sheet portions interposed therebetween, whereby Fix the outer surfaces of the parts 2 and 3 and the inner surfaces of the front and rear plates 12, 13
Further, the other end of the front and rear plate portions is fixed to each other, so that the closed state of the bag mouth portion is maintained.

Thus, from the state of FIG.
For example, when the left and right end portions of FIG. 3 are pushed inwardly to the left and right with two fingers of one hand as shown in FIG. 4, the third and fourth thin hinges 25 and 24 are folded and the front plate portion 12 is bent forward. Since the rear plate portion 13 is bent rearward, the front seat portion 2 fixed to the inner surface of the front plate portion 12 and the rear seat portion 3 fixed to the inner surface of the rear plate portion 13 are separated from each other. Part 6 opens. In this state, the contents can be taken out, for example, by putting a finger into the bag mouth. When the pushing force is released from the state shown in FIG. 4, the front and rear plates 12, 13 return to the original shape shown in FIG. 1 due to the elastic restoring force of the rear plate 13, and the bag mouth 6 is closed. .

Next, the second embodiment of the present invention shown in FIGS.
An embodiment will be described.

In this embodiment, a part of the structure of the mouth opening and closing device 11 is different from that of the first embodiment, and the same reference numerals as those of the first embodiment are used for the bag and the hanging string. so,
The description is omitted.

The mouth opening / closing tool 11 is provided with a first thin hinge 14 at one end in the left-right direction of the front and rear plates 12 and 13 of the same shape which are overlapped with each other.
And the left and right portions of the front and rear plate portions 12, 13
From the lower part of the middle part except for 41 and 42,
A pair of front and rear hanging plates 43 and 44 with slightly shorter left and right widths than 3
Are respectively erected. These hanging plates are inserted into the bag mouth 6, and the outer surfaces of both hanging plates are fixed to the inner surfaces of the upper and lower sheet portions 2, 3 forming the bag mouth as described later. The hanging plate is provided with a plurality of first concave engaging means 45 formed by fitting holes or the like shown in the drawing at intervals in the left-right direction.

Further, from the upper surface of the intermediate portion except for the left and right portions of the front and rear plate portions 12 and 13, a pair of front and rear stop plates 17 and 17 are erected via a second thin hinge 18, and the respective stop plates are raised. ,Respectively,
The front and rear seat portions 2 and 3 are folded back to the outer surface side. In the folded state, the front and rear sheet portions 2, 3
3, 44 The first convex engaging means 46 are provided on the inner surface of the stopper plate 17 facing the outer surface. As described above, in the illustrated example, a plurality of first convex engaging means 46 are attached to each of the pair of front and rear stopper plates 17, 17, so that one first convex engaging means is provided for each of the plurality of stopper plates. It is not necessary to turn back many stop plates as in the case of the structure provided with. The first convex engaging means 46 is provided with the first concave engaging means 45 via the front and rear sheet portions 2 and 3.
The outer surfaces of the hanging plates 43 and 44 are fixed to the upper inner surfaces of the front and rear seat portions 2 and 3 by the firm fitting.

The mouth opening / closing tool 11 is provided with second concave engaging means 47 which are formed by large holes or the like on both right and left portions of the front plate portion 12, respectively. Into the means,
Second convex engaging means 48 projecting from both left and right portions of the rear plate portion 13.
By fitting the left and right ends of the front and rear plates, and
The right ends are fixed to each other. In the illustrated example, the second convex engagement means 48 is formed as an insertion cylinder 49 that projects forward from the hole edge of a through hole formed in both the left and right portions of the rear plate portion 13. As shown in FIG. 6, both ends of the suspension string 31 are fixed.

The mouth opening / closing member 11 is made of an elastic synthetic resin as in the first embodiment, and can be formed by injection molding or the like in the state shown in FIG.

When assembling the storage bag of this embodiment, first, the front and rear plate portions 12 and 13 are turned from the state of FIG. 7 as shown by the arrows to fix the left and right portions of the both plate portions. As shown by the arrows, the hanging plates 43 and 44 are inserted into the upper portions of the front and rear seat portions 2 and 3, and the stopper plates 17 and 17 are tilted to the outer surfaces of the portions to fix the upper portions of the seat portions and the stopper plates. good.

In the above configuration, as shown in FIG. 9, when the mouth opening / closing tool 11 is pushed inwardly to the left and right against its elasticity, the intermediate portions of the front and rear plate portions 12 and 13 respectively become the intermediate portions. The front sheet portion 2 fixed to the front side hanging plate 43 and the rear sheet portion 3 fixed to the rear side hanging plate 44 are separated from each other because the front and rear hanging portions 43 and 44 are deformed forward or rearward together with the hanging plates 43 and 44. Then, the bag mouth 6 is opened, and the stored items can be taken out from the bag mouth. When the pushing force is released, the bag mouth 6 is closed by the elastic restoring force of the front and rear plates 12, 13.

Next, a third embodiment of the present invention shown in FIGS. 10 to 14 will be described.

This embodiment is similar to the mouth opening / closing device 11 of the second embodiment except that the front and rear plates 12, 13 and the hanging plates 43, 44 suspended from the plates are provided at the center in the left-right direction. By forming a vertical groove 51 on the outer surface, the central portion is formed as a thin elastic bent portion 52, and is positioned above the bent portion,
By vertically providing a slit 53 at the center in the left-right direction of each of the front and rear stop plates 17, two stop plate portions on both sides of the cut are formed so that they can be individually turned back. 2 on each stop plate
. Are provided. Structures other than this, which are the same as those in the second embodiment, are denoted by the same reference numerals as those in the second embodiment, and description thereof will be omitted.

In the above configuration, as shown in FIG.
When the left and right end portions of the front and rear plate portions 12 and 13 are pushed inwardly, the mouth opening / closing tool 11 is deformed into a rhombic shape shown in FIG. 13 using the thin elastic bending portions 52 and 52 as folds. As compared with the case of the second embodiment, the bag mouth portion 6 can be opened with a small force. When the pushing force is released, the mouth opening / closing tool 11 is restored to the flat plate shape shown in FIG. 10 by the elastic restoring force of the elastic bending portion, and the bag mouth is closed. Note that the description of the same matters as those of the second embodiment, such as the functions of the stopper plates 17 and 17, is omitted.

FIGS. 14 and 15 show a modification of the mouth opening / closing tool according to the embodiment of the present invention.

FIG. 14 shows the second embodiment.
By fitting the third convex engaging means 62 protruding from the front central part of the rear plate part 13 into the third concave engaging means 61 drilled in the central part of the rear surface of the front plate part 12, It is configured to maintain the closed state.

FIG. 15 shows the third embodiment.
The first concave engaging means 45 is a horizontal concave groove extending over the entire left and right width of each of the hanging plates 43 and 44, and the first convex engaging means 46 is
By forming a horizontal ridge over the entire left and right width of each stopper plate portion, the left and right overall lengths of the upper portions of the front and rear seat portions 2 and 3 are fixed to the hanging plate.

[0033]

The present invention has the above-mentioned configuration, and the inventions of claims 1 to 4 have the following effects. The article storage bag of the present invention has a mouth opening / closing member 11 formed of an elastic material and having one end of each of the front and rear plate portions 12 and 13 connected by a first thin hinge 14. Plates 12, 13
To the outer surfaces of the upper and lower seat portions 2, 3 of the bag 1 with the upper end opening, or the outer surfaces of the hanging plates 43, 44 vertically extending from the lower surface of the middle portion excluding the left and right portions of the front and rear plate portions 12, 13. Are fixed to the inner surfaces of the seat portions 2 and 3, and the front and rear plate portions are further fixed.
Since the other ends of 12 and 13 are fixed to each other,
The bag mouth 6 can be easily opened and closed with one hand by pushing the left and right end portions 12 and 13 into the left and right inwards or releasing the pushing. For example, when the bag mouth is tied with an elastic cord or the like, Opening and closing operations are simpler. ○ The inner surfaces of the front and rear plate portions 12 and 13 or the hanging plates 43 and 44 described above.
The upper portions of the front and rear seat portions 2 and 3 are fixed to the outer surfaces of the front and rear plate portions 12 and 13 by folding back the stopper plate 17 erected from the upper surfaces of the front and rear plate portions 12 and 13 via the second thin hinge 18 to the inner and outer surface sides, and Board
17 and one of the front and rear plate portions 12 and 13 or the hanging plates 43 and 44, the convex fitting means 19 to the first engaging means 46 provided on one side, and the concave fitting means 20 to the first Because the upper and lower sheet portions 2 and 3 are interposed and firmly fitted into the engaging means 45, the mouth opening / closing tool 11 is attached to the bag mouth 6 without impairing the easiness of the opening / closing operation. Can be securely attached. The front and rear plate portions 12, 13 open and close the bag mouth portion 6 by being pushed inward to the left and right against the elasticity of the plate, and by releasing the pushing force. Unlike the article storage bag described above, there is no need to break a part of the bag, and the stored items can be taken out many times, which is economical.

According to the first aspect of the present invention, as means for fixing the inner surfaces of the front and rear plate portions 12 and 13 to the outer surfaces of the front and rear sheet portions 2 and 3, the front and rear plate portions 12 and 13 are provided. The stopper plate 17 is folded back from the upper surface to the inside of both sheets, and the front and rear plate portions 12, 13 and the concave fitting means 20 provided on one of the retaining plates 17 are inserted into the concave fitting means 20 provided on the other side, and the convex fitting means 19 provided on the other side are attached to the sheet , Each retaining plate 17 is held inside the front and rear plate portions 12 and 13, and for example, it is possible to prevent the rigid fitting from being loosened by hitting the plate with another object.

Further, according to the third aspect of the present invention, there is provided means for fixing the outer surfaces of the hanging plates 43, 44 vertically suspended from the lower surfaces of the front and rear plate portions 12, 13 to the inner surfaces of the seat portions 2, 3. , Stop plate from the upper surface of both front and rear plate parts 12, 13 to the outside of both seats
The first 17 is folded back, and the first convex engaging means 46 provided on one of the hanging plates 43, 44 and the stopper plate 17 is firmly fitted into the first concave engaging means 45 via the sheet. From the above, as in the case of the above-mentioned claim 1, the stopper plate 17 is connected to the front and rear plate portions 1.
There is no danger that a gap will be formed between the two plates by folding back inside the two plates, and it is easy to form a highly sealed structure in which the inner surfaces of the front and rear plates 12, 13 are in contact with each other.

Further, according to the second or fourth aspect of the present invention, the third front and rear plate portions 12, 13 are provided near the center in the left-right direction.
Since the thin hinge 25 or the elastic bending portion 52 is provided vertically at the center in the left-right direction of the front and rear plate portions 12 and 13 and the both hanging plates 43 and 44 vertically hanging from the plate portions, respectively, Parts 12, 1
When the left and right ends are pushed inward to the left and right, the third thin hinge 25 or the elastic bending portion 52 is used as a fold to deform the plate portion having the fold. Can be opened.

[Brief description of the drawings]

FIG. 1 is a perspective view of an article storage bag according to a first embodiment of the present invention.

FIG. 2 is a perspective view of the opening / closing device according to the article storage bag of FIG. 1 in an unfolded state.

FIG. 3 is a perspective view showing a process of assembling the article storage bag of FIG. 1;

FIG. 4 is an explanatory view showing a state where the mouth of the article storage bag of FIG. 1 is opened.

5 is a cross-sectional view showing a state in which one of the front and rear plate portions and one of the front and rear sheet portions of the mouth opening / closing device according to the article storage bag of FIG. 1 are fixed to each other.

FIG. 6 is a perspective view of an article storage bag according to a second embodiment of the present invention.

FIG. 7 is a perspective view of the mouth opening / closing tool according to the article storage bag of FIG. 6 in an unfolded state.

FIG. 8 is a perspective view showing a process of assembling the article storage bag of FIG. 7;

FIG. 9 is an explanatory view showing a state where the mouth of the article storage bag of FIG. 8 is opened.

FIG. 10 is a perspective view of an article storage bag according to a third embodiment of the present invention.

11 is a perspective view of the mouth opening and closing device according to the article storage bag in FIG. 10 in an expanded state.

12 is a perspective view showing a process of assembling the article storage bag of FIG. 11;

13 is an explanatory diagram showing a state where the mouth of the article storage bag in FIG. 12 is opened.

FIG. 14 is a perspective view showing a modification of the mouth opening / closing tool used in the present invention.

FIG. 15 is a perspective view showing still another modified example of the mouth opening / closing tool used in the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Bag 2, 3 ... Front and rear both sheet parts 4 ... Folded refraction part 5 ... Upper part of front and rear both sheet parts 6 ... Bag mouth part 11 ... Mouth opening and closing device 12 ... Front plate part 13 ... Rear plate part 14 ... 1st thin Hinge 15 Insert hole 16 Protrusion piece 17 Stop plate 18 Second thin hinge 19 Convex fitting means 20 Concave fitting means 21 Second fitting hole 22 Second fitting projection 23 Dismount Stopping projection 24: Fourth thin hinge 25 ... Third thin hinge 31 ... Hanging strings 41, 42 ... Left and right parts 43, 44 ... Hanging plate 45 ... First concave engagement means 46 ... First convex engagement Means 47 ... Second concave engaging means 48 ... Second convex engaging means 49 ... Insertion cylinder 51 ... Vertical groove 52 ... Elastic bending part 53 ... Cleaving 61 ... Third concave engaging means 62 ... Third convex engagement Means

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Kazuaki Nose 3-2-6 Oshima, Koto-ku, Tokyo F-term in Yoshino Kogyo Co., Ltd. (Reference) 3E064 BA21 EA10 EA30 FA01 HL09 HM01 HN29 HN43

Claims (4)

[Claims] 1. A bag 1 having an opening at an upper end surface in which both left and right side portions of front and rear sheet portions 2 and 3 are folded bent portions 4 and 4, and a bag mouth portion 6 is formed in the bag mouth portion closed state. ,
First thin hinges on each outer surface of upper part 5,5
The opposite surfaces of the front and rear plate portions 12 and 13 which are connected and overlapped at one end, and the other ends of the front and rear plate portions are fixed to each other, and a port formed of an elastic material. The inner surfaces of the front and rear plate portions 12 and 13 are fixed to the outer surfaces of the seat portions 2 and 3 by stopping the stopper plate 17 standing upright from the upper surfaces of the front and rear plate portions via the second thin hinges 18. Turn back to the inside of both sheets,
By firmly fitting the convex fitting means 19 provided on the other side into the concave fitting means 20 provided on one of the inner surfaces of the front and rear plate portions 17 with the two sheet portions interposed, The other ends of the two plate portions 12 and 13 are fixed to each other by a second fitting hole 21 formed in one of the two plate portions, and a retaining projection 23 formed on the outer surface of a tip portion protruding from the other. 2. An article storage bag formed by fitting two fitting projections 22 to each other. 2. A third thin hinge 25 is vertically provided near a central portion in the left-right direction of one of the front and rear plate portions 12, 13, and
At the upper ends of the left and right side plate portions of the third thin hinge, respectively,
The article storage bag according to claim 1, wherein the stopper plates (17, 17) are provided. 3. A bag 1 having an upper end opening in which both left and right side portions of the front and rear sheet portions 2 and 3 are folded bent portions 4 and 4, and the bag mouth portion 6 is formed in the bag mouth closed state.
First thin hinges on the upper surfaces of the front and rear seats
The outer surfaces of the hanging plates 43 and 44, which are suspended from the lower surface of the intermediate portion excluding the left and right portions of the front and rear plate portions 12 and 13 connected at one end, are fixed, and the front and rear plate portions 12 and 13 are fixed. And a mouth opening / closing member 11 formed of an elastic material, and the front and rear sheet portions and the hanging plates 43 and 44 are fixed from the upper surfaces of the front and rear plate portions. One or more stopper plates 17 erected through the second thin hinge 18 are folded back to the outer surfaces of the two seat portions, and a first convex engagement provided on one of the hanging plates 43 and 44 and the stopper plate 17 is provided. By fitting the means 46 and the first concave engaging means 45 provided on the other side with the two sheet portions 2 and 3 interposed therebetween, the other end of the front and rear plate portions 12 and 13 can be fixed to each other. By fitting the second convex engaging means 48 provided at the other end of one of the two plate parts and the second concave engaging means 47 provided at the other end of the other plate part. Article storage bags characterized by being formed respectively. 4. A vertical groove 5 is formed on an outer surface of a central portion in the left-right direction of the front and rear plate portions 12, 13 and both hanging plates 43, 44 suspended from the plate portions.
By drilling 1, the plate portion having the vertical groove is formed into a thin elastic bent portion 52, and the stop plate 17 above the elastic bent portion is formed.
4. The article storage bag according to claim 3, wherein the plate portions on both sides of the cut are formed so as to be individually foldable by vertically setting the cuts 53 at the portions.