JP2022076832A - bag - Google Patents

Abstract

To provide a bag for allowing the bag to easily become a compact storage form and enabling a structure for storing a bag body part of the bag to be discreet.SOLUTION: A bag 100 includes: a bag-shape bag body part 1 which is made of a soft material, has handles 28, has a closed lower end 24 and an opened upper part, and includes a front surface part 10, a rear surface part 15 arranged to be opposed to the front surface part 10, and a gusset part 20 having a front surface side side-edge 21 and a rear surface side side-edge 22, in which the front surface side side-edge 21 is connected to one side-edge 11 of the front surface part 10 and the rear surface side side-edge 22 is connected to one side-edge 16 of the rear surface part 15 opposed to the one side-edge 11 of the front surface part 10, wherein the lower end 24 of the gusset part 20 is held between a lower end 12 of the front surface part 10 and a lower end 17 of the rear surface part 15 in a folded state so as to be fixed; a cylindrical string passage part 4 which extends along the lower part of the front surface side side-edge 21 and the lower part of the rear surface side side-edge 22; and a tying string 5 which is inserted to the string passage part 4.SELECTED DRAWING: Figure 1

Description

The present invention relates to a bag.

Conventionally, a so-called eco-bag is known as a shopping bag (see, for example, Patent Document 1).

In this shopping bag, one of the lower corners of the outer surface of the bag is configured as a storage portion in which the other corner of the bag can be retracted, and the bag is directed toward the lower corner of the bag. The shopping bag can be compactly packed by storing the other part while pushing it in and closing the storage part by the opening / closing means provided at the boundary between the storage part of the bag body and the other part.

Utility Model Registration No. 3191642

However, in the shopping bag described in Patent Document 1, since the storage portion is provided on the outer surface of the bag body, the storage bag and the opening / closing means may be conspicuous and may give an unnatural impression, creating a simple aesthetic appearance. There was the problem that it was difficult to do. In addition, since the opening / closing means composed of strings or the like is provided so as to be exposed on the outer surface, there is a risk that the strings or the like of the opening / closing means may be caught on the protrusions or the storage bag may be damaged when used as a shopping bag. rice field.

In order to solve the above problems, the bag according to an embodiment of the present invention is a bag-shaped bag body portion which is made of a flexible material, has a handle portion, a lower end is closed, and an upper portion is opened, and is a front portion. It has a back surface portion arranged facing the front surface portion, a front side side edge and a back surface side edge, and the front side side edge is connected to one side edge of the front surface portion, and the back surface side is used. The side edge has a gusset portion connected to one side edge of the back surface portion facing the one side edge of the front surface portion, and the lower end of the front surface portion is folded. A bag body portion that is sandwiched and fixed between the lower ends of the back surface portion, a tubular string threading portion that extends along the lower portion of the front side edge and the lower portion of the back surface side edge, and the string. It has a drawstring inserted through the threading portion.

According to this configuration, a storage bag is formed by turning over the area surrounded by the string threading portion as a return opening, the bag main body is pushed into the storage bag to accommodate it, and the return opening is squeezed with a drawstring. The bag can be easily made into a compact storage form. Further, since the main part of the structure for storing the bag body is located between the front part and the back part, the structure for storing the bag body can be made inconspicuous in the usage mode of the bag. Furthermore, since the main part of the structure that houses the bag body is not easily exposed to the outer surface, it is possible to reduce the risk of getting caught in or damaging protrusions when using it as a shopping bag, and the bag body when using the bag. It is possible to reduce the possibility that the structure for storing the baggage becomes an obstacle.

INDUSTRIAL APPLICABILITY According to the present invention, the bag can be easily made into a compact storage form, the structure for storing the bag body of the bag can be made inconspicuous, and the structure for storing the bag body is an obstacle when using the bag. It has the effect of reducing the risk of becoming.

It is a perspective view which shows the structural example of the bag which concerns on Embodiment 1, and is the figure which shows the usage form of a bag. It is an enlarged view of the main part which shows the structural example of the bag of FIG. 1, and is the figure which shows the state which looked at the lower part of the gusset part provided with the bag main body part storage structure from the outside. It is a figure which shows the use example of the bag of FIG. 1, and is the figure which shows the state which turned over the bag from the return opening. It is a figure which shows the structural example of the bag of FIG. 1, and is the figure which shows the storage form of a bag. It is an enlarged view of the main part which shows the structural example of the bag which concerns on Embodiment 2, and is the figure which shows the state which looked at the lower part of the gusset part which provided the bag main body part storage structure from the outside. It is a figure which shows the bag which concerns on Embodiment 1, (a) is a front view, (b) is a rear view, (c) is a plan view, (d) is a bottom view, (e) is a left side view, ( f) is a right side view. It is a figure which shows the state which expanded the bottom surface of the bag which concerns on Embodiment 1, (a) is a front view, (b) is a rear view, (c) is a plan view, (d) is a bottom view, (e). Is a left side view, and (f) is a right side view. It is a figure which shows the bag which concerns on Embodiment 1, (a) is the AA sectional view of FIG. 7 (e), (b) is the BB partial enlarged view of (a).

Hereinafter, embodiments will be described with reference to the drawings. The present invention is not limited to the following embodiments. Further, in the following, the same or corresponding elements are designated by the same reference numerals throughout all the figures, and the overlapping description thereof will be omitted.

(Embodiment 1)
FIG. 1 is a perspective view showing a configuration example of the bag 100 according to the first embodiment, and is a diagram showing a usage mode of the bag. FIG. 2 is an enlarged view of a main part showing a configuration example of the bag 100, and is a view showing a state in which the lower part of the gusset part 20 provided with the bag main body part storage structure 80 is viewed from the outside.

As shown in FIGS. 1 and 2, the bag 100 is a so-called eco-bag, which is a foldable bag that can be folded into a small size.

The bag 100 includes a bag body 1 for accommodating purchased items. The bag body 1 is made of nylon, for example, and is a flexible material. This allows it to be folded into small pieces. The bag body 1 has a pair of handles 28, and is sewn into a bag shape in which the lower end is closed and the upper portion is open.

The bag main body 1 has a front surface 10 and a back surface 15 arranged to face the front surface 10. The front surface portion 10 is formed in a substantially rectangular shape extending in the vertical direction, and includes a pair of side edges 11 and a lower end portion 12. The back surface portion 15 is formed in substantially the same shape as the front surface portion 10, and includes a pair of side edges 16 and a lower end portion 17.

The pair of handle portions 28 are portions held by the user for holding the bag main body portion 1, and are inverted U-shaped members provided so as to extend upward from the upper edge of the bag main body portion 1. The pair of handle portions 28 are arranged at positions facing each other.

The bag body 1 is formed with a pair of gussets 20 that connect the pair of side edges 11 of the front surface 10 and the pair of side edges 16 of the back surface 15. Of these, one of the gussets 20 (the gusset 20 on the left side in FIG. 1) is provided with a characteristic bag body storage structure 80. In the following, the gusset portion 20 provided with the bag main body storage structure 80 will be described in detail, but the other gusset 20 also has the bag main body storage structure 80 (the portion of the bag main body storage structure 80 related to the gusset 20). Except that) is not provided, it is configured in the same way.

The gusset portion 20 provided with the bag body portion storage structure 80 is formed in a substantially rectangular shape extending in the vertical direction, and includes a front side side edge 21 and a back side side edge 22. The front side edge 21 is connected to one side edge 11 of the front surface 10, and the back side edge 22 is connected to one side edge 16 of the back surface 15 facing one side edge 11 of the front surface 10. Has been done. The gusset portion 20 is folded back in a valley fold at the folded portion 23 between the front side edge 21 and the back side edge 22. Then, the lower end 24 of the gusset portion 20 is sandwiched between the lower end 12 of the front portion 10 and the lower end 17 of the back portion 15 in a folded state, and in this state, the front portion 10, the back portion 15 and the gusset portion 20 are put together. Sewn together and fixed to each other. As a result, the gusset portion 20 is held so as to be located between the front portion 10 and the back surface portion 15 in a state where the article is not housed in the bag main body portion 1, and the gusset portion 20 and the bag provided therein are held. The main body storage structure 80 can be made inconspicuous. Further, by providing the gusset portion 20 in the bag main body portion 1, the capacity of the bag main body portion 1 can be increased and the bag main body portion 1 can be made compact.

The bag body 1 has a front sewn portion 26 that fixes a triangular region including the angle A1 formed by the front side edge 21 and the lower end 24 of the gusset 20 to the front portion 10. Specifically, it faces diagonally upward from the lower end of the folded portion 23 of the gusset portion 20 toward the portion above the lower end of the front side edge 21 (near where one end 48 of the third tubular portion 47 described later is located). A linear portion extending from the front portion 10 is sewn on the front portion 10. Further, the bag main body portion 1 has a back side sewn portion 27 for fixing a triangular region including the angle A2 formed by the back side side edge 22 and the lower edge 24 of the gusset portion 20 to the back surface portion 15, and the front side. It is sewn on the back surface portion 15 in the same manner as the sewn portion 26. This makes it possible to prevent dust and the like from entering between the front portion 10 and the gusset portion 20 and between the back surface portion 15 and the gusset portion 20. Further, as shown in FIG. 7, the bottom surface can be easily formed. In the form of the bag shown in the figure, the portion shown by the broken line is the sewing line. The front side sewn portion 26 and the back side sewn portion 27 are a front side lower fixed structure 81 and a back side lower fixed structure 82, respectively. The front side lower fixing structure 81 and the back side lower fixing structure 82 may be fixed by means other than sewing such as adhesion.

In the present embodiment, the bag main body 1 has two fabrics, one on the front side of the folded portion 23 of the pair of gusset portions 20 and the other on the back side of the folded portion 23 of the pair of gusset portions 20. It is composed of. A handle portion 28 is integrally provided on each fabric, and the two fabrics are sewn together at a pair of folded portions 23. Then, the bag main body 1 is sewn by suturing the lower end of the bag main body 1 with the portion related to the gusset 20 sandwiched between the front surface 10 and the back surface 15.

A storage bag piece 3 is attached to the gusset portion 20 provided with the bag body portion storage structure 80. The storage bag piece 3 is a fabric made of a flexible material such as nylon, and is a member forming a part of the storage bag 87 for storing the bag main body 1 in the storage form of the bag main body 1 described later. The storage bag piece 3 is formed in a substantially inverted triangle shape including an upper edge 31, a front side lower edge 32, and a back side lower edge 33. A third cylinder portion 47, which will be described later, is formed on the upper edge 31. The width of the upper edge 31 is formed to be substantially the same as the width of the gusset portion 20. The upper end of the front lower edge 32 is connected to the front end of the upper edge 31. The upper end of the rear lower edge 33 is connected to the rear end of the upper edge 31, and the lower end intersects with the front lower edge 32. The storage bag piece 3 has a front lower edge 32 and a back lower edge 33 attached to the gusset 20 so that the inner side surface faces the outer surface of the gusset 20. Specifically, the upper end of the front side lower edge 32 of the storage bag piece 3 is attached to the front end side edge 21 of the gusset portion 20 or its vicinity at a position away from the lower end 24 of the gusset portion 20. .. The front lower edge 32 is attached to the gusset portion 20 so as to extend diagonally downward toward the lower end of the folded portion 23, and the lower end of the front lower edge 32 is attached to the lower end of the folded portion 23. There is. The back side lower edge 33 is configured in the same manner as the front side lower edge 32. That is, the back side lower edge 33 is located at a position where the upper end of the back side lower edge 33 of the storage bag piece 3 is at or near the back side side edge 22 of the gusset portion 20 and away from the lower end 24 of the gusset portion 20. It is attached. The lower back edge 33 is attached to the gusset portion 20 so as to extend diagonally downward toward the lower end of the folded portion 23, and the lower end of the lower back edge 33 is attached to the lower end of the folded portion 23. There is. As described above, in the front view, the front lower edge 32 and the back lower edge 33 of the storage bag piece 3 intersect with the lower end 24 of the gusset portion 20 at an acute angle, respectively. The front side lower edge 32 may be attached on the front side sewing portion 26 or along the front side sewing portion 26. Further, the back side lower edge 33 may be attached on the back side sewn portion 27 or along the back side sewn portion 27.

The upper edge 31, the portion of the front side edge 21 extending from the portion where the front end portion of the upper edge 31 is attached to the lower end 24 (the portion where the first cylinder portion 41 described later is provided), and the back side side. The portion of the edge 22 surrounded by the portion extending from the portion to which the back end portion of the upper edge 31 is attached to the lower end 24 (the portion provided with the second cylinder portion 44 described later) forms the return opening 86. Then, as shown in FIG. 2, in the state where the upper edge 31 is lifted, the return port 86 is the bottom surface, the lower end 24 of the gusset portion 20, the front lower edge 32 of the storage bag piece 3, and the back lower edge 33. A weight-shaped internal space is formed with the intersecting part as the apex. Then, by turning it over from the return opening 86, a part of the storage bag piece 3 and a part of the gusset portion 20 connected to the front side lower edge 32 and the back side lower edge 33 of the storage bag piece 3 (front side of the gusset part 20). The side edge 21, the back side edge 22, the portion surrounded by the front side lower edge 32 and the back side lower edge 33 of the storage bag piece 3) have a substantially conical shape as a whole, and the bag body 1 is accommodated inside. A storage bag 87 is formed. Thereby, the bag main body 1 can be easily accommodated.

Then, the bag 100 has a string threading portion 4, a drawing string 5, and a stopper 6 which are a drawing mechanism for squeezing the return port 86.

The stringing portion 4 is a tubular portion through which the drawstring 5 is inserted, and includes a tubular portion extending along the lower portion of the front side side edge 21 and the lower portion of the back side side edge 22. The stringing portion 4 is a tubular portion that intermittently extends along the return opening 86, and includes a first tubular portion 41, a second tubular portion 44, and a third tubular portion 47. The intermittent extension of the stringing portion 4 along the return opening 86 may mean that a gap for pulling out the extending portion 51 of the drawstring 5 is formed.

The first tubular portion 41 extends in the vertical direction, the upper end 42 is located below the front side edge 21, extends downward along the front side edge 21, and the lower end 43 is located at the lower end of the front side edge 21. do. Specifically, the first tubular portion 41 extends from the vicinity of the portion of the front side edge 21 to which the front end portion of the upper edge 31 is attached to the portion extending to the lower end 24.

The second tubular portion 44 extends in the vertical direction, the upper end 45 is located below the back side edge 22, extends downward along the back side edge 22, and the lower end 46 is located at the lower end of the back side edge 22. do. Specifically, the second tubular portion 44 extends from the vicinity of the portion of the rear side side edge 22 to which the back surface side end portion of the upper edge 31 is attached to the portion extending to the lower end 24. The lower end of the second cylinder portion 44 is continuous with the lower end of the first cylinder portion 41, but may be separated from each other.

The first cylinder portion 41 and the second cylinder portion 44 are formed by applying a strip-shaped fabric along the front side edge 21 and the back side side edge 22 of the gusset portion 20 and sewing the side edges of the fabric. Has been done.

The upper end 42 of the first cylinder portion 41 is formed at a position separated from the lower end of the front side edge 21 by a distance corresponding to a length corresponding to a length of 0.25 to 0.75 times the width of the gusset portion 20. You may. The upper end 45 of the second cylinder portion 44 may be formed on the back side side edge 22 like the upper end 42 of the first cylinder portion 41. As a result, the storage bag 87, which will be described later, can be formed into a shape suitable for storing the bag main body 1.

The third cylinder portion 47 is directly or indirectly attached to the gusset portion 20, one end 48 is located in the region where the upper end 42 of the first cylinder portion 41 is located, and the other end 49 is the upper end 45 of the second cylinder portion 44. Extends to be located in the area where is located. In the present embodiment, the third cylinder portion 47 is indirectly attached to the gusset portion 20 via the storage bag piece 3. The one end 48 of the third cylinder portion 47 is provided in the vicinity of the upper end 42 of the first cylinder portion 41 at a distance from the upper end 42. Further, the other end 49 of the third cylinder portion 47 is provided in the vicinity of the upper end 45 of the second cylinder portion 44 at a distance from the upper end 45. The third cylinder portion 47 is formed, for example, by folding the upper edge of the fabric of the storage bag piece 3 in three and sewing the inner bent portion. The one end 48 of the third cylinder 47 may be continuous with the upper end 42 of the first cylinder 41, and the other end 49 of the third cylinder 47 may be continuous with the upper end 45 of the second cylinder 44. It may be continuous.

The drawstring 5 is inserted through the string threading portion 4. Specifically, the drawstring 5 is inserted into the third cylinder portion 47 from between one end 48 of the third cylinder portion 47 and the upper end 42 of the first cylinder portion 41, and is inserted from the other end 49 of the third cylinder portion 47. It has been pulled out. Then, this pulled out portion is inserted into the second cylinder portion 44 from between the other end 49 of the third cylinder portion 47 and the upper end 45 of the second cylinder portion 44, and is pulled out from the upper end 42 of the first cylinder portion 41. It has been. Then, both ends of the drawstring 5 are tied together to form a knot 52, and the drawstring 5 is formed in an annular shape. The portion between the other end 49 of the third cylinder portion 47 of the drawstring 5 and the upper end 45 of the second cylinder portion 44 is the extension portion 51 that is pulled out to the outside of the string threading portion 4. The extending portion 51 is bent at the intermediate portion, and the portion closer to the string threading portion 4 than the bent portion is bent with a portion extending from the other end 49 of the third cylinder portion 47 of the drawstring 5 to the bent portion. A stopper 6 is attached so as to collectively hold the portion extending from the formed portion to the upper end 45 of the second cylinder portion 44. The stopper 6 can be slid in the extending direction of the extending portion 51 to be positioned at an arbitrary position in the extending direction of the extending portion 51 and can be locked. It can be canceled. Then, the return opening 86 can be squeezed by holding the folded portion of the drawstring 5 and sliding the stopper 6 toward the string threading portion 4, and in this state, the stopper 6 is locked to the extension portion 51. The return port 86 is maintained in a squeezed state. Further, from here, the return opening 86 can be opened by releasing the locking of the stopper 6 and sliding the stopper 6 toward the bent portion of the drawstring 5, and in this state, the stopper 6 is extended. By locking to 51, the return port 86 is maintained in an open state. By operating the stopper 6 in this way, the return port 86 can be easily squeezed and opened.

A hook 7 is attached to the extending portion 51 of the drawing string 5. Therefore, the hook 7 can be used to fasten the bag 100 in which the bag main body 1 is housed to another bag or the like. Further, a hook hook 71 including a circular ring that can be locked by hooking the hook 7 and a member that connects the circular ring and the storage bag 87 is provided on the outer surface of the storage bag 87. Therefore, the bag 100 can be fastened to the other bag by hanging the drawstring 5 on the handle of the other bag and locking the hook 7 to the circular ring of the hook hook 71.

As described above, in the usage mode of the bag main body 1 shown in FIG. 1, the bag 100 is turned over as a return opening 86 by turning over the area surrounded by the stringing portion 4 as a return opening 86, so that the bag main body is shown in FIG. A storage bag 87 for accommodating the part 1 can be formed. Then, the bag main body 1 can be easily stored in the storage bag 87 by pushing the bag main body 1 into the storage bag 87. Then, as shown in FIG. 4, the bag 100 can be easily made into a compact storage form by squeezing the return opening 86 with the squeezing string 5. Since the storage bag 87 has a conical shape, it is possible to inform the user from the shape of the storage bag 87 that it is not necessary to fold the bag body 1 when pushing the bag main body 1 into the inside of the storage bag 87. In addition, it is possible to prevent the user from failing to enjoy the advantage of the bag 100 that the user can take the procedure of folding, which is not originally necessary, and the bag 100 can be made compact simply by pushing it in. The portion constituting the storage bag 87, the string threading portion 4, and the drawstring 5 constitute the bag main body portion storage structure 80. Further, the bag main body storage structure 80 may include the lower half of the gusset portion 20 excluding the handle portion 28.

Since the storage bag 87 is configured by using a part of the gusset portion 20 constituting the bag main body portion 1, the configuration of the bag main body portion storage structure 80 can be simplified, which is advantageous for manufacturing and is advantageous for manufacturing. , The manufacturing cost is also low.

Further, in the usage mode of the bag body 1 shown in FIG. 1, the main part of the bag body storage structure 80 is located between the front surface 10 and the back surface 15, so that the storage bag 87 is inconspicuous in the usage mode. can do.

6A and 6B are views showing the bag 100 according to the first embodiment, where FIG. 6A is a front view, FIG. 6B is a rear view, FIG. 6C is a plan view, and FIG. 6D is a bottom view. ) Is the left side view, and (f) is the right side view. 7A and 7B are views showing a state in which the bottom surface of the bag 100 is expanded, where FIG. 7A is a front view, FIG. 7B is a rear view, FIG. 7C is a plan view, and FIG. 7D is a bottom view. ) Is the left side view, and (f) is the right side view. Further, FIG. 8 is a view showing the bag 100, in which FIG. 8A is a sectional view taken along the line AA of FIG. 7E, and FIG. 8B is a partially enlarged view taken along the line BB of FIG. 7A.

(Embodiment 2)
Hereinafter, the configuration and operation of the second embodiment will be described focusing on the differences from the first embodiment. FIG. 5 is an enlarged view of a main part showing a configuration example of the bag 200 according to the second embodiment, and is a view showing a state in which the lower part of the gusset part 20 provided with the bag main body part storage structure 80 is viewed from the outside. be. In the first embodiment, the third cylinder portion 47 is indirectly attached to the gusset portion 20 via the storage bag piece 3. On the other hand, in the present embodiment, the bag 200 is not provided with the storage bag piece 3, and the third cylinder portion 47 is directly attached to the gusset portion 20. Further, instead of the hook hook 71, the hook hook 271 which is a ring formed by connecting the drawstring 5 is located between one end 48 of the third cylinder portion 47 of the drawstring 5 and the upper end 42 of the first cylinder portion 41. It is provided in the part where the hook is used. The hook hook 271 is formed by, for example, a figure-eight knot, and can lock the hook 7.

As described above, the bag 100 according to a certain aspect is a bag-shaped bag main body portion 1 which is a flexible material, has a handle portion 28, has a lower end closed and an upper portion opens, and has a front portion 10 and a front surface. It has a back surface portion 15 arranged facing the portion 10, a front side side edge 21 and a back side side edge 22, and the front side side edge 21 is connected to one side edge 11 of the front surface portion 10 and has a back surface. A state in which the side edge 22 has a gusset portion 20 connected to one side edge 16 of the back surface portion 15 facing the one side edge 11 of the front surface portion 10, and the lower end 24 of the gusset portion 20 is folded. A cylinder extending along the lower end of the front side edge 21 and the lower part of the back side edge 22 and the bag main body portion 1 sandwiched and fixed between the lower end 12 of the front portion 10 and the lower end 17 of the back surface portion 15. It has a string-shaped portion 4 and a drawstring 5 inserted through the string-threading portion 4.

According to this configuration, a storage bag 87 is formed by turning over the area surrounded by the string threading portion 4 as a return opening 86, and the bag main body portion 1 is pushed into the storage bag 87 to be accommodated and returned by the drawstring 5. By squeezing the mouth 86, the bag 100 can be easily made into a compact storage form. Further, since the main part of the structure for storing the bag body 1 is located between the front surface 10 and the back surface 15, the structure for storing the bag body 1 should be inconspicuous in the usage mode of the bag 100. Can be done. In addition, since the main part of the structure for storing the bag body 1 is not easily exposed to the outer surface, it is possible to reduce the risk of being caught in or damaged by protrusions when used as a shopping bag, and the bag can be used when the bag is used. It is possible to reduce the possibility that the structure for storing the body becomes an obstacle.

In the stringing portion 4, the upper end 42 is located at the lower part of the front side edge 21, extends along the front side edge 21, and the lower end 43 is located at the lower end of the front side edge 21. The upper end 45 is located at the lower part of the back side edge 22, extends along the back side edge 22, and the lower end 46 is directly on the second cylinder portion 44 located at the lower end of the back side side edge 22 and the gusset portion 20 or. A third cylinder that is indirectly attached and extends so that one end 48 is located in the area where the upper end 42 of the first cylinder 41 is located and the other end 49 is located in the region where the upper end 45 of the second cylinder 44 is located. Section 47 and may be included.

According to this configuration, the return port 86 can be appropriately configured.

The gusset portion 20 is folded back and folded at the folded portion 23 between the front side side edge 21 and the back side side edge 22, and is attached to the upper edge 31 on which the third tubular portion 47 is formed and the gusset portion 20. The upper end is connected to the front end of the upper edge 31, and is attached to the front lower edge 32 extending toward the lower end of the folded portion 23 and the gusset portion 20, and the upper end is attached to the rear end of the upper edge 31. It may further have a storage bag piece 3 which is connected and has a lower back edge 33 extending toward the lower end of the folded-back portion 23.

According to this configuration, the portion related to the storage bag piece 3 and the gusset portion 20 are surrounded by the front side side edge 21, the back side side edge 22, the front side lower edge 32 and the back side lower edge 33 of the storage bag piece 3. The portion can be a storage bag 87 for accommodating the bag main body 1 inside.

The front lower edge 32 and the back lower edge 33 of the storage bag piece 3 may intersect with the lower end 24 of the gusset portion 20 at an acute angle, respectively.

According to this configuration, when the area surrounded by the first to third cylinder portions 41, 44, 47 is turned inside out as the return opening 86, the storage bag 87 becomes a substantially conical shape, and the bag main body portion 1 can be easily accommodated. Can be done.

The drawstring 5 may have an extension portion 51 that is pulled out to the outside of the string threading portion 4, and may have a stopper 6 that can be locked at an arbitrary position in the extension direction of the extension portion 51. ..

According to this configuration, the state in which the return port 86 is squeezed can be easily maintained.

It may have a hook 7 attached to the extension 51.

According to this configuration, the bag 100 in the form of accommodating the bag main body 1 inside can be fastened to another bag 100 or the like, which makes it easy to carry.

The front side lower fixing structure 81 for fixing the triangular area including the angle formed by the front side edge 21 and the lower end 24 of the gusset portion 20 to the front portion 10, and the back side side edge 22 and the lower end 24 of the gusset portion 20 are formed. It may have a back surface side lower fixing structure 82 for fixing a triangular region including a corner to the back surface portion 15.

According to this configuration, it is possible to prevent dust and the like from entering between the front portion 10 and the gusset portion 20 and between the back surface portion 15 and the gusset portion 20.

From the above description, many improvements and other embodiments of the present invention will be apparent to those skilled in the art. Therefore, the above description should be construed as an example only and is provided for the purpose of teaching those skilled in the art the best aspects of carrying out the present invention. The details of its structure and / or function can be substantially changed without departing from the spirit of the present invention.

1 Bag body 3 Storage bag piece 4 String threading part 5 Drawer string 10 Front part 11 (front part) side edge 12 (front part) lower end 15 Back part 16 (back part) side edge 17 (back part) Lower end 20 Machi part 21 Front side side edge 22 Back side side edge 24 (Machi part) Lower end 28 Handle part 31 Upper edge 86 Return port 87 Storage bag 100 Bag

Claims (7)

A bag-shaped bag body that is a flexible material, has a handle, is closed at the lower end and opens at the top, and has a front part, a back part arranged facing the front part, and a front part. The back portion having a side edge and a back side edge, the front side edge being connected to one side edge of the front portion, and the back surface side edge facing one side edge of the front portion. A bag that has a gusset portion connected to one side edge and is sandwiched and fixed between the lower end of the front portion and the lower end of the back portion in a state where the lower end of the gusset portion is folded. With the main body
A cylindrical string threading portion extending along the lower part of the front side edge and the lower part of the back side side edge,
A bag having a drawstring inserted through the string threading portion. The stringing portion has a first tubular portion having an upper end located at the lower portion of the front side edge, extending along the front side edge, having a lower end located at the lower end of the front side edge, and an upper end thereof. A second tubular portion located at the bottom of the back side edge, extending along the back side edge and having a lower end located at the lower end of the back side edge, and directly or indirectly attached to the gusset portion. The first aspect of the present invention includes a third cylinder portion having one end located in a region where the upper end of the first cylinder portion is located and the other end extending so as to be located in a region where the upper end of the second cylinder portion is located. The described bag. The gusset portion is folded back and folded at a folded portion between the front side edge and the back side edge.
An upper edge on which the third cylinder portion is formed, and a front side lower edge that is attached to the gusset portion, has an upper end connected to the front end portion of the upper edge portion, and extends toward the lower end portion of the folded portion. 2. Further having a storage bag piece attached to the gusset portion, the upper end of which is connected to the rear end of the upper edge, and a back side lower edge extending toward the lower end of the folded portion. The bag described in. The bag according to claim 3, wherein the front lower edge and the back lower edge of the storage bag piece intersect with the lower end of the gusset portion at an acute angle, respectively. The drawstring has an extension portion that is pulled out to the outside of the cord threading portion.
The bag according to any one of claims 1 to 3, further comprising a stopper that can be locked at an arbitrary position in the extending direction of the extending portion. The bag of claim 5, which has a hook attached to the extension. A front side lower fixing structure for fixing a triangular region including an angle formed by the front side edge and the lower end of the gusset portion to the front portion, and a corner formed by the back side side edge and the lower end of the gusset portion are included. The bag according to any one of claims 1 to 6, comprising a back side lower fixing structure for fixing a triangular area to the back surface portion.

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