A bag that can be made compact

JP2026141595APending Publication Date: 2026-09-04REP CO LTD
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Patent Information

Application Number
JP2025028262
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-09-04

AI Technical Summary

Benefits of technology

【0012】 本発明のコンパクト化が可能な袋は、エコバッグに好適に使用でき、携帯しやすく、かつ携帯のモチベーションを向上できる。

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Abstract

To provide a bag that is suitable for use as an eco-bag, easy to carry, and can be made compact to increase the motivation to carry it. [Solution] A compact bag comprising a first bag side portion, a second bag side portion, and a bottom portion, wherein at least the sides of the first bag side portion and the second bag side portion on the bottom portion side are connected to each other, the bottom portion has a first bottom piece portion connected to the bottom portion side of the first bag side portion, and a second bottom piece portion connected to the bottom portion side of the second bag side portion, the sides of the first bottom piece portion and the second bottom piece portion other than the sides connected to the first bag side portion and the sides connected to the second bag side portion are connected to each other, a first joining member is provided on one side of the outer bottom surface of the first bottom piece portion, and a second joining member is provided on the other side of the outer bottom surface of the second bottom piece portion, and the first joining member and the second joining member are connectable to each other.
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Description

[[Technical Field]]

[0001] The present invention relates to a compactable bag. [[Background Art]]

[0002] In recent years, with growing interest in environmental issues, consumers have started bringing reusable eco-bags when taking home purchased goods and other articles. An eco-bag can be used repeatedly by being carried in a folded state, unfolded for use to store and carry articles, and folded again after use. [[Disclosure of the Invention]] [[Problem to be Solved by the Invention]]

[0003] Therefore, it is important that consumers frequently bring an eco-bag with them. Accordingly, there is a demand for a compactable bag that can be suitably used as an eco-bag and can increase users' motivation to carry an eco-bag with them. In addition, a bag that can be suitably used not only for shopping at supermarkets and the like but also for shopping at nearby convenience stores is desirable.

[0004] Accordingly, an object of the present invention is to provide a compactable bag that can be suitably used as an eco-bag, is easy to carry, and can increase motivation for carrying the bag. [[Means for Solving the Problem]]

[0005] Accordingly, a compactable bag according to an embodiment of the present invention includes a first bag side portion, a second bag side portion, and a bottom portion, wherein at least the side edges of the first bag side portion and the second bag side portion on the bottom portion side are connected to each other, the bottom portion has a first bottom piece connected to the bottom-side edge of the first bag side portion, and a second bottom piece connected to the bottom-side edge of the second bag side portion, The first bottom piece and the second bottom piece are connected to each other by sides other than the side that connects to the first bag side and the side that connects to the second bag side. A first joining member is provided on one side of the outer bottom surface of the first bottom piece, and a second joining member is provided on the other side of the outer bottom surface of the second bottom piece, and the first joining member and the second joining member are connectable to each other.

[0006] With the bottom portion tucked between the first and second side portions of the bag, fold the bag so that the side connecting to the bottom portion remains. Turn the folded bag inside out so that the first bottom piece and the second bottom piece are facing outwards, starting from the edge that connects to the bottom portion. It is preferable that the design can be made more compact by joining the first joining member of the first bottom piece and the second joining member of the second bottom piece to each other.

[0007] Preferably, the folded bag has a substantially triangular shape with the side connecting to the bottom as one side; more preferably, it has a substantially isosceles triangular shape with the side connecting to the bottom as the base; and most preferably, it has a substantially equilateral triangular shape with the side connecting to the bottom as one side.

[0008] Preferably, the first joining member is provided on the side of the first bottom piece that connects to the first bag side, and the second joining member is provided on the side of the second bottom piece that connects to the second bag side.

[0009] Preferably, the height of the folded bag, when the side connecting to the bottom surface is considered the base, is more than twice the length of the first bottom piece and the second bottom piece in the height direction.

[0010] It is preferable that the first and second side portions of the bag are substantially hexagonal in shape.

[0011] It is preferable that handles are provided on the upper side of the first bag side and the second bag side opposite the bottom side. [Effects of the Invention]

[0012] The compact bag of the present invention is suitable for use as an eco-bag, is easy to carry, and can improve the motivation to carry it. [Brief explanation of the drawing]

[0013] [Figure 1] This is a side view showing a compact bag according to one embodiment of the present invention. [Figure 2] (a) is a cross-sectional view of AA in Figure 1, and (b) is a cross-sectional view showing the bag in Figure 2(a) in an open state. [Figure 3] (a) is a side view showing the first side of the bag, and (b) is a side view showing the second side of the bag. [Figure 4] (a) is a side view showing the bottom, and (b) is a side view showing the bottom of Figure 4(a) in an open state. [Figure 5] This is a perspective view showing a compact bag according to one embodiment of the present invention in an unfolded state. [Figure 6] This figure shows the process of making a bag more compact according to one embodiment of the present invention. [Modes for carrying out the invention]

[0014] A compact bag 1 according to one embodiment of the present invention will be described in detail below with reference to Figures 1 to 6. The bag 1 comprises a first bag side portion 21, a second bag side portion 22, and a bottom portion 3.

[0015] As shown in Figures 4(a) and 4(b), the bottom portion 3 has a first bottom piece 31 having an edge 31a that connects to the bottom-side edge 21a of the first bag side portion 21, and a second bottom piece 32 having an edge 32a that connects to the bottom-side edge 22a of the second bag side portion 22. The edges of the first bottom piece 31 and the second bottom piece 32 are connected to each other except for edges 31a and 32a, and the bag is open by edges 31a and 32a. Thus, the first bottom piece 31 and the second bottom piece 32 form the bottom portion 3 of the bag 1.

[0016] The first bag side portion 21 and the second bag side portion 22 are each approximately hexagonal in shape. The sides 21b, 21b of the first bag side portion 21 on the bottom portion 3 side and the sides 22b, 22b of the second bag side portion 22 on the bottom portion 3 side are connected to each other, forming the sides 1b, 1b of the bag 1 on the bottom portion 3 side. The bottom-side edge 21a of the first bag side portion 21 connects with the edge 31a of the first bottom piece portion 31 to form side 11a of bag 1, and the bottom-side edge 22a of the second bag side portion 22 connects with the edge 32a of the second bottom piece portion 32 to form side 12a of bag 1. As shown in Figure 5, the opening bag 1 is formed by the upper edge 21c of the first bag side portion 21 opposite to the bottom portion 3 and the side edges 21d, 21d of the first bag side portion 21 furthest from the bottom portion 3, and the upper edge 22c of the second bag side portion 22 opposite to the bottom portion 3 and the side edges 22d, 22d of the second bag side portion 22 furthest from the bottom portion 3. The sides of the bottom portion 3 may also be joined to the side edges 1b, 1b of bag 1, respectively.

[0017] A first joining member (41) is provided on one side of an outer bottom surface (a surface serving as the outer bottom surface of the bag (1)) (310) of the first bottom piece portion (31), and a second joining member (42) is provided on the other side of an outer bottom surface (a surface serving as the outer bottom surface of the bag (1)) (320) of the second bottom piece portion (32). The first joining member (41) and the second joining member (42) are joinable to each other. Here, "one side" means one end side in the lateral direction (the left-right direction in FIG. 1) of the outer bottom surface (310) of the first bottom piece portion (31), and "the other side" means a side opposite to the one end side of the outer bottom surface (320) of the second bottom piece portion (32) in the lateral direction. The first joining member (41) and the second joining member (42) are not particularly limited as long as they are generally used for bags, and examples thereof include buttons, magnetic snaps, hooks, hook-and-loop fasteners, linear zippers, adjuster buckles, and buckles. From the viewpoints of easy operation, compactness and reliability, a button is preferable.

[0018] It is preferable that the first bag side portion (21) and the second bag side portion (22) are each provided with a handle portion (5) at an upper side portion opposite to the bottom portion (3) side. In the present invention, the structure of the handle portion is not particularly limited, but a structure that facilitates compactness is desirable. As shown in FIGS. 3(a) and 3(b), it is preferable that the handle portion (5) is provided by hollowing out the upper side portions of the first bag side portion (21) and the second bag side portion (22) respectively.

[0019] In the present invention, "substantially regular hexagonal shape" means that the outline of the first bag side portion (21) and the second bag side portion (22) is a shape close to a hexagon, and a part thereof may be a curved line. For example, the upper side portions of the first bag side portion (21) and the second bag side portion (22) where the handle portions (5) are provided may be formed in a curved shape so as to be easily held by a user.

[0020] In the present invention, the material of the compactable bag is not particularly limited, and materials generally used as reusable eco-friendly bags can be appropriately used. Examples of the material include synthetic materials such as nylon, vinylon, polyester and acrylic, and natural materials such as cotton, linen, wool and silk. In consideration of compactness, strength, water resistance and the like, synthetic materials are preferable.

[0021] The procedure for compacting the bag 1 will be described below.

[0022] First, as shown in FIG. 6(a), the bag 1 is placed in a state where the bottom surface portion 3 is housed between the first bag side surface portion 21 and the second bag side surface portion 22. At this time, as shown in FIG. 2(b), the first bag side surface portion 21 and the second bag side surface portion 22 are adhered to each other.

[0023] Next, the bag 1 is folded so that the sides 11a and 12a remain. In the present embodiment, since the first bag side surface portion 21 and the second bag side surface portion 2 each have a substantially regular hexagonal shape, after folding the upper part of the bag 1 as shown in FIG. 6(a), the bag 1 can be folded such that the sides 11a and 12a remain by folding both sides of the bag 1 which has become an inverted trapezoidal shape as shown in FIG. 6(b) respectively. When folding the bag 1, a part of the bottom surface portion 3 is also folded together, but as shown in FIG. 6(c), in the folded bag 1, the first joining member 41 is positioned on one side of the first bottom surface piece portion 31, and the second joining member 42 is positioned on the other side of the second bottom surface piece portion 32.

[0024] As shown in FIG. 6(d), the folded bag 1 is turned inside out from the sides 11a and 12a such that the bottom surface portion 3 comes to the front side. Thereby, the first joining member 41 and the second joining member 42 are also exposed to the front side.

[0025] As shown in FIG. 6(c), the folded bag 1 has a substantially regular triangular shape. When the sides 11a and 12a of the folded bag 1 are taken as the base, it is preferable that the height t1 is more than twice the length t2 of the first bottom surface piece portion 31 and the second bottom surface piece portion 32 in the height direction. Thereby, when the folded bag is turned inside out, the top portion 10 of the bag 1 on the opposite side to the bottom surface portion 3 is exposed from the first bottom surface piece portion 31 and the second bottom surface piece portion 32. The ratio t1 / t2 of the length t2 to the height t1 is preferably 2.5 or less, and more preferably 2.1 or more and 2.4 or less.

[0026] As shown in Figure 6(e), both sides of the roughly equilateral triangular bag 1 are folded towards the center, and the first joining member 41 of the first bottom piece 31 and the second joining member 42 of the second bottom piece 32 are joined together. This makes the bag 1 more compact and gives it the shape of a so-called "rice ball". At this time, if the top 10 of the bag 1 is exposed from the first bottom piece 31 and the second bottom piece 32, the top 10 of the bag 1 is made to resemble the ingredients of a rice ball, making it appear as if the ingredients are placed on top of the rice ball. The color and pattern of the top 10 of the bag 1 may be different from the other parts of the bag 1, or the pattern may be made to resemble the ingredients of a rice ball.

[0027] Preferably, a first joining member 41 is provided on the side 31a of the outer bottom surface 310 of the first bottom piece 31 that connects to the first bag side surface 21, and a second joining member 42 is provided on the side 32a of the outer bottom surface 320 of the second bottom piece 32 that connects to the second bag side surface 22. This allows the ends of both sides of the bag 1, which is roughly triangular in shape, to be folded towards the center, and the first joining member 41 of the first bottom piece 31 and the second joining member 42 of the second bottom piece 32 to be joined together to form the bag 1 into an "onigiri" shape, as shown in Figure 6(e).

[0028] Although the compactable bag of the present invention has been described in detail based on the above embodiment, the compactable bag of the present invention is not limited to this, and various modifications are possible without departing from the technical spirit of the present invention.

[0029] In this embodiment, the bag 1 is folded to form a roughly equilateral triangle with sides 11a and 12a as sides. However, the present invention is not limited to this, and it is preferable that it be a roughly triangular shape with sides 11a and 12a as sides, more preferably a roughly isosceles triangle shape with sides 11a and 12a as bases, and most preferably a roughly equilateral triangle shape with sides 11a and 12a as sides. Furthermore, it may also be a roughly polygonal shape with sides 11a and 12a as sides. For example, it may be a roughly quadrilateral with sides 11a and 12a as sides, or a roughly rectangle or roughly square with sides 11a and 12a as sides.

[0030] Furthermore, in this embodiment, the first bag side portion 21 and the second bag side portion 22 are each approximately regular hexagonal in shape, and when folded three times, they become approximately equilateral triangles with sides 11a and 12a as sides. However, the present invention is not limited to this, and the first bag side portion 21 and the second bag side portion 22 can be any shape as long as they become approximately polygonal in shape with sides 11a and 12a as sides when folded two or more times. The first bag side portion 21 and the second bag side portion 22 may each be polygonal in shape, or they may be shapes that combine straight lines and curves including sides 21a and 22a.

[0031] In this embodiment, both sides of the bottom portion 3 are joined to the sides 1b, 1b of the bag 1, respectively. However, the present invention is not limited to this, and both sides of the bottom portion 3 do not need to be joined to the first bag side portion 21 and the second bag side portion 22. Also, when the bag 1 is folded, as shown in Figure 6(c), the bottom portion 3 only needs to be present over the entire lower part of the folded bag 1, and does not need to be present over the entire lower part of the bag 1 when it is unfolded, as shown in Figure 1. [Explanation of Symbols]

[0032] 1 bag 11a, 12a, 1b... sides 10...Top 21... First side of the bag 21a, 21b, 21c, 21d... sides 22...Second side of the bag 22a, 22b, 22c, 22d... sides 3...Bottom part 31. First bottom piece 31a...side 310...Outer bottom surface 32...Second bottom piece 32a...side 320...Outer bottom surface 41...First joint member 42...Second joint member 5. Handle section

Claims

1. It comprises a first bag side section, a second bag side section, and a bottom section. The first bag side portion and the second bag side portion are connected to each other, at least on the bottom side. The bottom portion has a first bottom piece that connects to the bottom side of the first bag side portion, and a second bottom piece that connects to the bottom side of the second bag side portion. The first bottom piece and the second bottom piece are connected to each other by sides other than the side that connects to the first bag side and the side that connects to the second bag side. A compact bag characterized in that a first joining member is provided on one side of the outer bottom surface of the first bottom piece, and a second joining member is provided on the other side of the outer bottom surface of the second bottom piece, and the first joining member and the second joining member can be joined to each other.

2. With the bottom portion tucked between the first and second side portions of the bag, fold the bag so that the side connecting to the bottom portion remains. Turn the folded bag inside out so that the first bottom piece and the second bottom piece are facing outwards, starting from the edge that connects to the bottom portion. The compact bag according to claim 1, characterized in that it can be made more compact by joining the first joining member of the first bottom piece and the second joining member of the second bottom piece to each other.

3. The compact bag according to claim 2, characterized in that the folded bag has a substantially triangular shape with one side being the side that connects to the bottom portion.

4. The compactable bag according to claim 3, characterized in that the folded bag has a substantially isosceles triangular shape with the side connecting to the bottom surface as its base.

5. The compactable bag according to claim 4, characterized in that the folded bag has a substantially equilateral triangular shape with the side connecting to the bottom portion as one of its sides.

6. The bag that can be made compact according to any one of claims 1 to 5, characterized in that the first joining member is provided on the side of the first bottom piece that connects to the first side of the bag, and the second joining member is provided on the side of the second bottom piece that connects to the second side of the bag.

7. A compact bag according to any one of claims 1 to 5, characterized in that the height of the side connecting to the bottom surface of the folded bag is more than twice the length of the first bottom piece and the second bottom piece in the height direction.

8. The compact bag according to claim 6, characterized in that the height of the side connecting to the bottom surface of the folded bag is more than twice the length of the first bottom piece and the second bottom piece in the height direction.

9. The compact bag according to any one of claims 1 to 5, characterized in that the first bag side portion and the second bag side portion are substantially hexagonal in shape.

10. A compact bag according to any one of claims 1 to 5, characterized in that a handle portion is provided on the upper side opposite to the bottom portion of the first bag side and the second bag side.