Bag having mid-bottom

Abstract

To provide a bag capable of storing two different items in separate storage parts in one bag for display and sale, and to provide a bag having a plurality of storage parts and capable of storing a variety of products.SOLUTION: The bag has front and back surfaces, an opening, a bottom, and a mid-bottom inside. The mid-bottom is made of sheet material folded into an N-shape, and one edge portion is sealed to an inner surface of the bag at a seal portion. The N-shaped sheet material has an upper folded portion toward the top, which is the opening of the bag, and a lower folded portion from the upper side toward the bottom. The bag has a bottom storage part and a mid-bottom storage part having the mid-bottom made of the N-shaped sheet material in which an upper folded portion is formed from the bottom toward the opening of the bag.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present invention relates to a bag body having a square bottom body, which has a bottom part for storing items inside the bag body, and also has an inner bottom part in the center of the bag body that can store items therein. [Background technology]

[0002] There are various types of bags made of resin sheets or films that have square bottoms for standing up, and bags that have a gusset portion formed at the bottom of the bag so that they can stand on their own. In particular, this bag is one in which the inside of the bag expands when an item is placed inside, widening the bottom surface and allowing it to stand upright. For example, there is a bag body shown in Japanese Patent Laid-Open No. 2022-11710 (Patent Document 1).

[0003] Therefore, the bag has a portion inside the bottom for storing the contents, and the contents are stored in this portion. For example, the bag shown in JP 2019-182513 A (Patent Document 2) is an example of a bag having this square bottom body, and also stores items inside the bottom of the bag.

[0004] Furthermore, there is also a bag body shown in JP 2021-138409 A (Patent Document 3) that can enlarge the internal space of the bag body. As described above, a bag that stores items inside it usually has an opening for storing the items and a bag space that communicates with the opening, and the items are stored within this internal space.Bags that have a space at the bottom of the bag as the bottom for storing the items are commonly used. Therefore, the bag usually has one storage section for storage. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Patent Publication No. 2022-11710 [Patent Document 2] Patent Publication No. 2019-182513 [Patent Document 3] Patent Publication No. 2021-138409 Summary of the Invention [Problem to be solved by the invention]

[0006] As described above, it is common for the bag body that contains the stored items to have one storage section within it; for example, a plastic bag body typically has an upper opening, a bottom, and a body, and has one storage section in the body. However, this means that one bag has only one storage section, making it impossible to store different items separately, so it has been common to use different bags when it is necessary to store different items. Furthermore, for example, when selling a product, there may be a demand for a bag that can store two separate items.

[0007] Normally, such cases are addressed by using different bags, but being able to store and transport multiple items in a single bag opens up more convenient uses. For example, by providing a bag that can store two different items in separate storage locations and display and sell them, not only will sales routes be expanded, but it will also be possible to store or transport a desired number of items in one bag at once, making it desirable to provide a bag that can be used in a variety of ways and has greatly expanded usability.

[0008] Furthermore, since it becomes possible to use a single bag having a plurality of storage compartments, it is possible to achieve an effect of reducing the amount of material used for the bag itself. Therefore, an object of the present invention is to provide a bag that can store two different items in separate storage locations and be displayed for sale. [Means for solving the problem]

[0009] Therefore, the invention of claim 1 is a bag having a front and back surface as well as an opening and a bottom, and has a mid-bottom portion inside the bag, which is made of a sheet fabric folded in an N-shape, and one edge of the sheet fabric is sealed with a seal to the inside surface of either the front or back surface of the bag, which is either the surface of the bag's internal body, and the sheet fabric is folded into an approximately N-shaped cross section with a width at least wider than the width of the bottom of the bag, and the N-shaped folded sheet fabric is folded from one edge of the sheet fabric sealed with the seal toward the top, which is the opening of the bag, and then folded back from the top toward the bottom, and then folded back from the bottom toward the top, which is the opening of the bag, to form an N-shaped folded sheet fabric, and the bag has a bottom storage section inside the bag and a mid-bottom storage section inside the bag body. The invention can solve the above problems.

[0010] Furthermore, the invention of claim 2 is a bag having a front and back surface as well as an opening and a bottom, and has a middle bottom inside the bag, which is made of sheet fabric folded in an N-shape, and one edge of the sheet fabric is sealed with a seal to the inside surface of either the front or back surface of the bag, which is either the surface of the bag's internal body, and the sheet fabric is folded into an approximately N-shaped cross section with a width at least wider than the width of the bottom of the bag, and the N-shaped folded sheet fabric is folded from one edge of the sheet fabric sealed with the seal to the upper direction of the bag's opening, which is the opening of the bag, and further folded from the upper side downward toward the bottom, and further folded from the lower side upward toward the opening of the bag, and the sheet fabric folded from the lower side upward toward the opening of the bag is formed of sheet fabric with a sheet portion formed longer in the opening direction than the other fold lengths of the sheet fabric, and this invention may be used. Furthermore, the invention according to claim 3 is a bag having an inner bottom, the bottom of which is a bag having a gusset portion, and this invention may be used. Furthermore, as in the invention according to claim 4, a bag may be used that has an inner bottom portion whose width is the same as the width of the bottom of the bag. As in the invention of claim 5, a bag body may be used in which the sheet fabric is folded upward from the sealed portion at one edge of the N-shaped folded sheet fabric, and further the sheet fabric portion folded downward from the top of the fold has a middle bottom portion whose width is the same as the width of the gusset portion at the bottom of the bag body. [Effects of the Invention]

[0011] First, the invention of claim 1 allows items to be stored in the bottom of the bag body as well as in the middle bottom, and items can be stored in each layer, allowing items to be stored separately in each section. In particular, the inner bottom is made of a sheet fabric folded in an N shape, and one edge of the sheet fabric is sealed with a seal to either the inner surface of the front or back surface of the bag, or to any surface of the internal body of the bag, and the sheet fabric is folded into an approximately N-shaped cross section with a width at least wider than the width of the bottom of the bag.The N-shaped folded sheet fabric is folded from one edge of the sheet fabric sealed with the seal toward the top, which is the opening of the bag, and then folded back from the top toward the bottom, and then folded back again from the bottom toward the top, which is the opening of the bag, to form an N-shaped fold.Therefore, the sheet fabric is connected to the bag body by a seal with either the inner surface of the front or back surface of the bag, or to any surface of the internal body of the bag, at the seal.

[0012] Furthermore, one edge of the sealed sheet fabric is folded upward, which is the opening of the bag body, then folded downward from the top toward the bottom, and then folded back from the bottom toward the top, which is the opening of the bag body.As a result, the bottom of the midsole is formed by folding upward, which is the opening of the bag body, and then folding downward from the top toward the bottom, and the part formed by folding upward from the bottom toward the opening of the bag body is in close contact with the other end surface of the bag body and is connected to the bag body main body at the other end edge, so that a storage section can be formed within the internal body of the bag body.

[0013] Next, according to the invention of claim 2, the bag has a middle bottom formed by a sheet fabric in which the sheet fabric folded from the lower part toward the upper part, which is the opening direction of the bag, has a sheet portion formed longer in the opening direction of the bag than the other folded lengths. Therefore, the long sheet portion comes into close contact with the other end surface of the bag over a wider surface, and comes into close contact with the surface of the bag body at the other end edge, providing support, and is firmly supported by the inside of the bag. Therefore, even in the storage section at the midsole, heavier items can be stored securely and fixedly within the bag body.

[0014] Next, according to claim 3, by making the bottom of the bag a gusset portion, it is possible to form a bottom shape similar to that of the inner sole, and it is possible to provide a bag that is comfortable to sit in when the contents are stored inside. Furthermore, according to the invention of claim 4, by making the width of the insole the same as the width of the bottom of the bag, it is possible to store the bag in a stable and comfortable upright position, and it is possible to provide a bag that looks good when stored. Next, according to the invention of claim 5, the sheet fabric is folded upward from the sealed portion at one edge of the N-shaped fold, and furthermore, the sheet fabric portion folded back from the top to the bottom has a mid-sole having the same width as the gusset portion at the bottom of the bag. Therefore, the width of the mid-sole and the width of the bottom of the bag can be made the same, and in particular, since the sheet fabrics in the folded state have the same length, it is possible to construct a well-balanced shape for the mid-sole and bottom, and to provide a bag that is well-balanced when storing items inside. [Brief explanation of the drawings]

[0015] [Figure 1] 1 is a diagram showing an example of the surface of a bag having two bottoms according to the present invention. [Figure 2] 1 is a cross-sectional view of an example of a bag having two bottoms according to the present invention; [Figure 3] 1 is a perspective view showing an example of a bag body with two bottoms according to the present invention, in which the two storage sections are opened. FIG. [Figure 4]FIG. 2 is a cross-sectional view showing an example of a state in which two storage sections of a bag having two bottoms according to the present invention are unfolded. [Figure 5] 1 is a perspective view showing an example of a state in which an item is placed in the storage section at the bottom of a bag having two bottoms according to the present invention, and the opening of the bag is connected to the inside of the bag. FIG. [Figure 6] FIG. 1 is a perspective view showing an example of a state in which an item is stored in the bottom storage section of a bag having two bottoms according to the present invention, and an item is stored in the middle bottom storage section of the bag body. DETAILED DESCRIPTION OF THE INVENTION

[0016] FIG. 1 is a diagram showing an example of a bag body having an insole according to the present invention. The bag having an inner bottom shown in this figure is a transparent bag made of resin, and has an inner bottom inside the bag in addition to the normal bottom of the bag. Therefore, the bag has a single front and back surface (a, b) and has a plurality of bottoms, and is a bag having two bag storage sections. Generally, the bag has an opening at the top, a hollow body, and a bottom having a storage portion. Therefore, first, the bottom (3) of the bag body (1) has a storage portion for storing items.

[0017] Furthermore, the bag (1) has a central bottom (4) in the bag, and items can also be stored in this part. FIG. 1 shows a bag body made of a resin, such as a transparent one, having a front and back surface (a, b), the side edges of which are sealed with a side seal portion (5), and the bottom portion (3) of the bag body is folded to form a gusset portion, making the bag body self-standing. In addition to the bag having a folded-over portion by the gusset portion as shown in this figure, which can stand up, the bag may have a sealed bottom (3), or the bottom (3) may be formed by folding the front and back sheets (a, b) at the bottom.

[0018] Furthermore, the bag shown in this figure has a bottom portion that is made up of a gusset portion at the very bottom of the bag, and has a bag middle bottom portion (4) in the center of the inside of the bag, which is the body of the bag. The inner bottom portion (4) of the bag body has an N-shaped sheet material (40) which is a sheet material (40) folded in an N shape across the front and back surfaces of the bag body. This N-shaped sheet fabric (40) folded into an N shape has an upper fold portion (42) formed by folding the sheet fabric from one edge portion (41) upward, a lower fold portion (43) further folded downward from the upper portion, and an upper fold portion (44) formed by folding further upward at a position similar to the position of the one edge portion (41), and is formed by sheet fabric (40) folded into an approximately N-shaped cross section.

[0019] In this case, the other edge portion (45) of the N-shaped sheet material (40), which is the upper folded portion (44) of the sheet material that is finally folded upward, is formed by a sheet material that is formed longer in the direction of the opening (2) of the bag body. In this case, one edge (41) of the N-shaped sheet (40) is sealed in the width direction to either the front or rear surface of the bag body, and is connected to either the front or rear surface. In this figure, it is connected to the bag surface (a) by a seal portion.

[0020] Furthermore, this bag middle bottom (4) and one of the front and back surfaces, i.e., in this figure, one edge (41) that is sealed with the bag surface (a), are folded upward and further folded back from the top to the bottom, where the folded position forms the bottom of the bag middle bottom (4). The sheet portion (44) folded further upward is connected to the other front and back surface of the bag, i.e., the bag surface (b) in this figure, and the sheet fabrics are therefore in close contact with each other at this position due to the generation of static electricity caused by friction, etc., and the adhesion of the resins together.

[0021] Therefore, one end of each side edge of the N-shaped sheet fabric (40) forming the midsole (4) is formed by a sealed portion, and the other end surface is formed by the adhesion of the sheet fabric to the opposing surface of the bag body, forming the midsole (4) of the bag body and also forming a storage section that can store a certain weight of items. In this case, the N-shaped sheet material (40) of the insole (4) is folded before the sheet material is unfolded as the insole of the bag, so it can be folded onto one of the front and back surfaces of the bag. Since either the front or rear surface is connected to the edge portion by the seal portion, the bag body can be folded in the direction of either the front or rear surface.

[0022] Therefore, the sheet fabric is originally folded toward one sealed side of the bag, i.e., toward one edge, and by folding this part, a cavity that connects to the bottom of the bag can be created inside the bag in the direction of the surface other than the folded side, allowing items to be stored at the bottom of the bag. Furthermore, after storage, the sheet fabric of the bag's middle bottom (4) can be opened to form the middle bottom of the bag, thereby creating the middle bottom (4) of the bag at that position, and another bottom can be formed in this middle bottom (4) from the bag's opening (2) to store items. In this case, the other edge (45) of the sheet material that is not sealed by the seal of the midsole (4) has a sheet portion of the upper folded portion (44) that is folded upward, and by connecting the sheet material to the other front and back surfaces of the front and back surfaces of the bag body, the side of the storage section of the bag body can be formed.

[0023] In particular, the sheet portion of the upper folded portion (44) folded upward needs to be formed to a certain length because it comes into contact with the inner surface of the bag body and supports one side of the midsole (4). Therefore, for example, by having the length of the sheet portion formed longer than each folded sheet portion of the sheet portion, this portion can be made wider. Furthermore, it may be formed to be, for example, 1.5 to 2 or 3 times longer than the other fold lengths, or may have a sheet portion of an upper fold portion (44) folded upward to any length up to the bag opening direction.

[0024] This allows contact over a wide surface, providing strong support and allowing the midsole (4) to be firmly supported inside the bag body. For example, it may have a long sheet portion having any length in the direction of the bag opening (2). As described above, when the sheet fabric (40) is folded in an N-shape, it can be folded in a state leaning toward one of the front and back sheets, so the body part at the relevant position of the bag body becomes hollow, and when storing items, the items can be sent all the way to the storage part at the bottom, and the items can be stored at the bottom (3).

[0025] By opening the sheet material (40) folded in an N-shape, folding one end of the sheet material (40) from the front or back surface (a, b) and one edge of the N-shaped sheet material (40) sealed with a seal part toward the top, and then opening the sheet material that is folded back from the top toward the bottom, the storage section in the bag body's middle bottom section (4) can be exposed, and items can be stored in that position. Furthermore, the sheet portion of the upper folded portion (44) formed by folding back in the upward direction is connected to one end of the N-shaped folded sheet material (40) and the sheet material of the bag body on the opposite side facing either the front or back sheet material that has been sealed, and the other end direction of the N-shaped sheet material (40) can be tightly connected and fixed to the front and back sheets.

[0026] As described above, the insole (4) is made up of a sheet material (40) folded into an N-shape, and one end edge (41) of the sheet material (40) folded into an N-shape is sealed to the inner body of the bag body at a seal portion on the inner surface of either the front or back surface (a, b) of the bag body. For example, the so-called midsole (4) is connected to the bag body by connecting one end edge (41) of an N-shaped sheet (40) to the back surface of the bag body on the surface (a) side with a seal.

[0027] This N-shaped sheet fabric (40) has an upper fold-in portion (42) folded from one edge portion (41) of the sheet fabric sealed at the seal portion toward the upper portion, which is the opening of the bag, a lower fold-back portion (43) folded from the upper portion downward toward the bottom, and an upper fold-back portion (44) folded from the lower portion upward toward the opening of the bag, and has an inner bottom portion (4) made of this N-shaped sheet fabric (40).Therefore, the bag has a storage portion for the bottom portion (3) inside the bag body and a storage portion for the inner bottom portion (4) inside the body of the bag.

[0028] In this case, the sheet portion of the upper folded portion (44) folded upward is in close contact with the surface of the back surface of the bag body, and the other end edge portion (45) of the midsole (4) is in close contact with the back surface of the bag body and is thereby engaged, thereby allowing the midsole (4) to be placed inside the bag body. Furthermore, by using an upper folded portion (44) having a sheet portion whose length is longer than the folded lengths of the sheet portions of the other upper tucked portions (42) and lower folded portion (43), the other end edge portion (45) of the midsole (4) can be formed in close contact with the back surface (b) of the bag over a wider range, and the midsole (4) can be maintained within the bag even when a heavy object is stored in the midsole (4).

[0029] FIG. 2 shows a cross section of the double-bottom bag (1) according to the invention shown in FIG. First, the bag (1) has front and back sheets (a, b), an opening (2) at the top, and a fold-in portion at the bottom (3) that forms a gusset. Therefore, when an item is stored inside the bag, the bottom portion 3 forms a wide bottom portion 3. Furthermore, the bag body has a sheet of mid-sole 4 in the center of the body. The sheet of mid-sole 4 (40) is connected to the bag body, for example, to the surface (a) of the bag body, at one edge of the sheet by a seal.

[0030] The sheet material of the insole (4) is a sheet material (40) folded in an N-shape, and is sealed to the surface (a) of the bag body at one edge (41) of the N-shaped sheet material (40). The N-shaped sheet material (40) is folded upward from the edge to form an upper folded portion (42), which is further folded downward from the folded upper portion to form a lower folded portion (43), and the upper folded portion (44) is made of sheet material that is further folded upward from the folded lower portion. Therefore, the cross section is configured as a substantially N-shaped sheet portion 40. In particular, the sheet material portion of the upper folded portion 44, which is folded further upward from the last lower portion, is formed to be longer than the length of the other folded portions. In this figure, the upper folded portion (44) has a length that is about 2.5 to 3 times longer than the folded length of the sheet portion of the upper folded portion (42) and the lower folded portion (43). When the long folded sheet portion serves as the storage section of the midsole (4) and stores an item, it comes into contact over a wide area with the inner surface of the sheet fabric on the back surface (b) of the bag body, and the contacting parts of the two come into close contact, so that the storage section of the midsole (4) can be fixed and installed inside the bag body. Furthermore, when no items are stored in the storage section of the midsole (4), the long folded-back sheet portion is folded toward the surface (a) of the bag, leaving the inside of the bag hollow, and the inside of the bag is directly connected to the opening (2) at the top of the bag, allowing items to be stored inside the bag, and when items are to be removed from inside the bag, the long folded-back sheet portion can be folded up to remove the items from inside the bag. Furthermore, the N-shaped sheet fabric (40) is folded upward from the seal at one edge, and the portion of the sheet fabric that is folded back downward from the folded upper portion forms the bottom of the storage section of the midsole (4), so it is desirable that the width of the sheet fabric be approximately the same as the width of the gusset portion of the bottom (3) of the bag body. In other words, if the length of the bottom (3) of the storage section in the width direction of the bag body is approximately the same as the width of the bottom (3) when an item is placed inside, the width of the middle bottom (4) of the body of the hollow bag body can also be made approximately the same, and a middle bottom (4) of the same width as the bottom can be formed in the body of the bag body. Therefore, a bag body that is well-balanced and has a good appearance can be formed. Of course, if the bag has a sloping side, i.e., the opening (2) and the bottom (3) are different sizes, it may have a storage section in the middle bottom (4) of an appropriate size according to the sloping side.

[0031] FIG. 3 is a perspective view of the bag, showing the state in which the storage areas of the bag bottom (3) and the bag middle bottom (4) are expanded to store items. First, the bottom of the bag has a bag bottom (3) formed from a gusset, which provides a space for storing items. Furthermore, the bag body (1) has a middle bottom (4) in the middle, and the sheet material (40) folded in an N-shape is unfolded to form a space for storing items. The inner bottom (4) is provided in the center of the bag body, and the center of the bag body also has a space for storing items.

[0032] With this configuration, the bag body has two storage compartments for storing items in two stages inside. Therefore, in contrast to a conventional bag body in which the bottom portion is the storage portion, an additional storage portion can be formed in the upper space inside the bag body, and compartmentalized storage portions can be constructed inside the bag body, thereby not only increasing the storage portion but also increasing the number of neatly compartmentalized storage portions. For example, not only can items be stored in two tiers in an attractive manner, but different items can also be stored in each storage section, and the storage section may be used in this manner.

[0033] For example, it can also be used as a bag for storing two different types of food ingredients in different storage compartments. Therefore, it is possible to store ingredients such as meat and fish in the lower storage section and vegetables in the upper storage section, and store both in different storage locations for hygienic reasons. In this way, a bag that can accommodate a variety of items can be provided. For example, ingredients and seasonings may be stored in different storage sections. Alternatively, the bag may be used to store the same type of fruit in two layers, one above the other, to improve the appearance when displaying and selling the product and to distribute the stored weight. Therefore, it is possible to provide a bag that can be used in a variety of ways.

[0034] FIG. 4 is a cross-sectional view of the bag shown in FIG. 3, showing the storage portions of the bag bottom and the bag middle bottom expanded to accommodate items. As shown in this figure, the bottom part (3) of the bag body has a gusset part that allows for a large space to be created. Furthermore, the upper section has a middle bottom (4) and a storage space separated from the space of the bottom (3). Therefore, for example, by storing items on separate levels, it is possible to store items separately without stacking them on top of each other. For example, fruits and soft items can be stored on one side, and then stored in the insole without stacking them.

[0035] Therefore, for example, it is possible to store more items that deteriorate when stacked, such as fruits, while maintaining their quality. The midsole (4) is made of an N-shaped sheet material. This N-shaped folded sheet fabric (40) has an upper folded portion (42) formed by folding the sheet fabric from one edge portion upward, which is connected to a lower folded portion (43) folded from the top downward, and further has an upper folded portion (44) folded upward at the same position as the one edge portion, and is formed from sheet fabric (40) folded into an approximately N-shaped cross section.

[0036] In this case, one edge portion (41) of the N-shaped folded sheet material (40) is sealed to the back side of the front surface (a) of the bag body and connected by a seal portion. Therefore, the seal portion is connected to the bag body, and forms a storage space for the midsole portion (4) within the bag body. The bottom of the midsole (4) is formed by folding in the upper direction from one edge (41) and then folding back from the upper direction to the lower direction. Next, the edge portion on the other end following the N-shaped folded sheet material (40) at this position has an upper folded portion (44) of sheet material that is further folded upward, and is formed by a sheet material that is formed longer toward the opening of the bag body.

[0037] The long sheet fabric in the other end direction comes into contact with the back side of the back sheet (b) of the bag body when an item is stored in the midsole (4), and the long sheet fabric in the other end direction comes into contact with the back side of the back sheet as a whole, so that the sheet fabrics come into contact with each other, and the other end side of the midsole (4) connects the upper back sheet (b) of the bag body. Therefore, it is tightly connected to the back sheet material inside the bag. As a result, the storage section of the midsole (4) on the front (a) side of the bag body is supported by the seal section of the one end (41), and the storage section of the midsole (4) on the back (b) side of the bag body is supported by the back (b) side of the bag body being in close contact with the long sheet fabric (44) in the other end direction and the back side of the back (b) sheet.

[0038] In particular, the resin sheets have a high coefficient of friction and are stuck together, resulting in high adhesion and a strong adhesive force. For example, it is of course possible to select and use a resin having high adhesiveness. This figure shows an example in which the bottom of the bag is made up of a gusset and the width of the storage portion of the midsole is the same as the width of the bottom of the bag.

[0039] In this figure, in order to clarify the shape and positional relationship of each sheet fabric, the sheet fabric of the upper folded portion (44) and the back surface of the bag are shown to have a gap between them, but in reality, the sheet fabric of the upper folded portion (44) and the back surface of the bag are in direct contact with each other, and both the upper fold-in portion (42) and the lower folded portion (43) have lengths, and a bag body can be used in which the width of the gusset portion at the bottom of the bag is the same length. Therefore, by forming the bottom of the bag body as a gusset portion, it is possible to form a bottom shape similar to that of the inner sole, and to provide a bag body that is comfortable to sit in when the contents are stored inside. Furthermore, by making the width of the insole and the width of the bottom of the bag the same, it is possible to store the bag in a stable and comfortable upright position, and it is possible to provide a bag that looks good when stored.

[0040] Figure 5 shows a state in which, even though the bag has an inner bottom, the inside of the bag is connected through the opening at the top due to the folded configuration described above, allowing items to be stored at the bottom of the bag. In particular, by further opening the N-shaped folded sheet material of the midsole, the storage compartment of the midsole can be formed in the central body of the bag, and a storage compartment that is precisely positioned in the center of the bag can be formed.

[0041] FIG. 6 shows the state after FIG. 5 in which the sheet fabric folded in an N-shape at the midsole is opened to form a storage compartment at the middle torso, and an item is stored in this position. Therefore, a plurality of storage sections can be arbitrarily formed inside the bag, and the stored items can be stored in the sections simultaneously without overlapping or touching each other. This prevents deterioration in quality or damage caused by the weight, friction or collision of stored items when they come into contact with each other, and makes it possible to provide a bag that can store multiple items in one bag.

[0042] Therefore, it is possible to store perishable fruits and perishable foods in one bag. For example, it is possible to provide a bag in which fruits and other items can be stored in the hollow portion of the bottom, allowing them to be displayed and sold. Although this figure shows a state in which a single sheet of fabric is folded into an N-shape at the bottom and hollow portion, a bag body having an N-shaped folded sheet further above this hollow portion, i.e., a multi-stage inner bottom portion, may also be used. That is, a bag having a storage section with a two-stage structure, or a multi-stage structure with three or four or more stages may be used. [Explanation of symbols]

[0043] 1 bag body 2 Opening 3 bottom 4 Middle bottom 40 N-shaped sheet fabric 41 One edge 42 Upper fold-in part 43 Lower folded part 44 Upper folded part 45 Other edges 5 Side seal 6 Seal part

Claims

1. A bag body having front and back surfaces (a, b), an opening (2) and a bottom (3), The bag has a midsole (4) inside, The insole (4) is made of a sheet material (40) folded into an N-shape, and one edge (41) of the sheet material (40) is sealed with the inner body of the bag body at a seal part (6) on the inner surface of either the front or back surface (a, b) of the bag body. The N-shaped sheet fabric (40) has an upper folded portion (42) folded from one edge portion (41) of the sheet fabric sealed at the seal portion (6) toward the upper direction, which is the opening (2) of the bag body, a lower folded portion (43) folded back from the upper portion toward the bottom (3), and an upper folded portion (44) folded back from the lower portion toward the upper direction, which is the opening (2) of the bag body. By having the insole (4) made of such an N-shaped sheet material (40), A bag having an inner bottom, characterized in that it has a storage section for the bottom (3) inside the bag and a storage section for the inner bottom (4) inside the body of the bag.

2. A bag body having front and back surfaces (a, b), an opening (2) and a bottom (3), The bag has a midsole (4) inside, The insole (4) is made of a sheet material (40) folded into an N-shape, and one edge (41) of the sheet material (40) is sealed with the inner body of the bag body at a seal part (6) on the inner surface of either the front or back surface (a, b) of the bag body. The N-shaped sheet fabric (40) has an upper folded portion (42) folded from one edge portion (41) of the sheet fabric sealed at the seal portion (6) toward the upper direction, which is the opening (2) of the bag body, a lower folded portion (43) folded back from the upper portion toward the bottom (3), and an upper folded portion (44) folded back from the lower portion toward the upper direction, which is the opening (2) of the bag body. The length of the sheet portion of the upper folded portion (44) folded from the lower portion toward the upper direction, which is the direction of the opening (2) of the bag body, is The bag body having a midsole is characterized by having an upper folded-back portion (44) having a sheet portion formed longer than the folded-back lengths of the sheet portions of the other upper folded-back portions (42) and lower folded-back portions (43).

3. 3. The bag having an insole according to claim 1 or 2, wherein the bottom (3) of the bag is a bag having a gusset.

4. 3. A bag with an insole according to claim 1, wherein the width of the insole (4) of the bag is the same as the width of the bottom (3) of the bag.

5. The length of the sheet portion between the upper folded portion (42) folded upward from the seal portion (6) of one edge portion (41) of the N-shaped sheet material (40) and the lower folded portion (43) folded downward from the folded upper portion is:

4. A bag with an insole according to claim 3, characterized in that the length is the same as the width of the gusset part of the bottom part (3) of the bag.

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