Garbage bag

Abstract

Provide a garbage bag that not only allows visually impaired people to easily recognize the position of the opening, but also has a knot that is difficult to untie when tied to close the opening and can be easily identified by type. 【Solution means】The identification mark 30 for identifying the position of the opening 14 is composed of a plurality of convex portions 32 that can be recognized by a fingertip and is formed at a position that becomes a knot when tied to close the opening 14, so that the knot is difficult to loosen even when lightly tied. Further, since the identification mark 30 is formed in different forms according to the type of garbage to be stored (flammable garbage, non-flammable garbage, recyclable garbage, etc.), the type of the garbage bag 10 can be recognized by touching the convex portion 32 of the identification mark 30 with a fingertip.

Description

Technical Field

[0001] The present invention relates to a garbage bag, and more particularly to a garbage bag that enables visually impaired persons to easily recognize the position of the opening, has a knot that is difficult to untie when tied to close the opening, and can be easily distinguished by type.

Background Art

[0002] A garbage bag for collecting garbage used in ordinary households or the like is formed of a bag body with one side being an opening, which is obtained by heat-sealing or the like to close the lower part of a transparent or semi-transparent polyethylene tubular sheet (calcium carbonate may be added).

[0003] Garbage bags are roughly classified into a garbage bag without a handle in which the opening edge of the opening is cut in a straight line and has no handle, and a garbage bag with a handle in which the opening edge of the opening is cut in a substantially U shape and two annular handles are provided. When the outer dimensions (length and width) of the bag body are the same, the garbage bag without a handle can store more garbage than the garbage bag with a handle.

[0004] Both the garbage bag without a handle and the garbage bag with a handle are sold with the bag body in a closed and adhered state with the opening closed and folded and stored in an outer bag before use. Therefore, at the start of use, not only is the opening adhered and difficult to open, but especially for the garbage bag without a handle in a square shape, it is also difficult to recognize the position of the opening. Therefore, the position of the opening is made easy to recognize by printing characters such as "opening" in the vicinity (opening edge) of the opening in the bag body.

[0005] However, even though a healthy person with normal vision can easily recognize the position of the opening on a garbage bag printed with the characters "opening", a visually impaired person with a visual impairment cannot recognize the printed characters "opening". Therefore, for visually impaired people, even if the printed characters "opening" are displayed, they still cannot recognize the position of the opening, and ultimately they have to search blindly.

[0006] Therefore, a garbage bag has been proposed that enables visually impaired people to easily recognize the position of the opening (Patent Document 1). The garbage bag described in Patent Document 1 has an identification mark formed on the opening edge (the vicinity of the opening) of the opening that can be recognized by a visually impaired person touching it with a fingertip. This identification mark is composed of a plurality of convex parts that can be recognized by a fingertip, and a visually impaired person can recognize the position of the opening near the identification mark by touching these convex parts with a fingertip. That is, the garbage bag disclosed in Patent Document 1 has the advantage that a visually impaired person can easily recognize the position of the opening of the bag body and has received favorable reviews from visually impaired people.

Prior Art Documents

Patent Documents

[0007]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0008] By the way, when tying the opening edge of a conventional ordinary garbage bag (a garbage bag without an identification mark) to close the opening with garbage stored in the bag body, elderly people or children with weak arm strength or fingertip strength often cannot tie it tightly. For this reason, when lifting the garbage bag by holding the tied part, the knot loosens, and in some cases, the knot comes undone and the garbage stored in the bag body spills out. In particular, for large-sized garbage bags, since the sheet is thick and hard, there is a problem that even a healthy person cannot tie the opening edge tightly.

[0009] In addition, conventional ordinary garbage bags for general households are classified into multiple types according to the type of garbage to be stored, such as combustible garbage bags for storing combustible garbage, non-combustible garbage bags for storing non-combustible garbage, and recyclable garbage bags for storing recyclable garbage (such as glass bottles, empty cans, plastic bottles, etc.). Therefore, the type of the conventional ordinary garbage bag can be easily recognized by printing words such as "for combustible garbage", "for non-combustible garbage", and "for recyclable garbage". However, visually impaired people cannot recognize such printed words, so there is a problem that they cannot recognize the type of the garbage bag.

[0010] Here, the garbage bag disclosed in Patent Document 1 is provided with an identification mark for the purpose of easily identifying the position of the opening. The technical idea of preventing the knot from loosening and untying when the opening is tied and enabling visually impaired people to identify the type of the garbage bag by this identification mark is not disclosed in Patent Document 1.

[0011] The object of the present invention was devised to solve the problems inherent in conventional garbage bags. For visually impaired people, not only can the position of the opening be easily recognized, but the type can also be easily identified. Furthermore, the present invention provides a garbage bag configured such that not only visually impaired people but also healthy people have difficulty in the knot coming undone when tying to close the opening.

Means for Solving the Problems

[0012] The garbage bag of the present invention that solves such problems is composed of a bag body formed from a plastic tubular film into a rectangular shape with a bottom and having an opening formed on one side. In the garbage bag with an identification mark formed for visually impaired persons that can be recognized by a fingertip at the position of the opening, the identification mark is composed of a plurality of convex portions that can be recognized by a fingertip. The identification mark is formed on the bag body at a position adjacent to the opening edge of the opening and at a position that becomes a knot when tied to close the opening. The identification mark is formed in different forms according to the type of garbage contained in the bag body, and is configured to enable the type of garbage bag to be recognized when the convex portion is touched with a fingertip.

[0013] According to the garbage bag of the present invention, since the identification mark for visually impaired persons to easily recognize the position of the opening is formed at the position that becomes a knot when tied to close the opening, it is possible to prevent the knot from coming undone when a visually impaired person or a healthy person ties it to close the opening. Also, by confirming the form of the identification mark with a fingertip, a visually impaired person can easily identify the type of garbage bag.

[0014] In the garbage bag of another invention, the identification mark is an identification mark of a first form in which the contour shape of the region where a plurality of convex portions are formed is different for each type of garbage to be contained. According to the garbage bag of another invention, by confirming the contour shape of the identification mark of the first form with a fingertip, a visually impaired person can easily identify the type of garbage bag.

[0015] In the garbage bag of still another invention, the identification mark is an identification mark of a second form in which the protruding shape of a plurality of convex portions is different for each type of garbage to be contained. According to the garbage bag of still another invention, by confirming the protruding shape of the convex portions constituting the identification mark of the second form with a fingertip, a visually impaired person can easily identify the type of garbage bag.

Effects of the Invention

[0016] According to the garbage bag of the present invention, not only can visually impaired people easily recognize the position of the opening, but also can easily distinguish the types of garbage bags. Furthermore, not only visually impaired people but also healthy people can prevent the knot from coming undone when tying to close the opening, which is an advantage.

Brief Description of the Drawings

[0017]

Figure 1

Figure 2

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Figure 10

Figure 11

[0018] Next, specific examples of the garbage bag of the present invention will be given and described in detail with reference to the drawings. It should be noted that each of the examples described below is an example for explaining the garbage bag according to the present invention, and the outer shape and outer size of the bag body of the garbage bag and the form (shape, size, etc.) of the identification mark are not limited to those illustrated in the drawings. Further, in each of the examples described below, it is assumed that there are three types of garbage bags of the same shape and the same size, namely, "garbage bag for combustible garbage", "garbage bag for non-combustible garbage", and "garbage bag for recyclable garbage", but the types of garbage bags are not limited to these three types.

[0019] (First Embodiment) Figure 1 shows an example of a garbage bag 10 (hereinafter referred to as "10A") according to the first embodiment of the present invention. In the garbage bag 10A of the first embodiment, an opening edge 16 surrounding an opening 14 that functions as an opening is cut in a substantially U shape with the left and right centers being concave, and two annular handle parts 18, 18 are provided at opposing positions of the opening edge 16. It is a garbage bag with a handle consisting of a bag body 12. The garbage bag 10A of the first embodiment has variations in sizes of a plurality of types (for example, large size, medium size, small size, etc.) with different vertical and horizontal sizes of the bag body 12, but the basic shapes are the same except for the different vertical and horizontal sizes. The large-size garbage bag 10A has a size of the bag body 12 of approximately 800 mm in the vertical dimension and 650 cm in the horizontal dimension, and a content volume of 40 liters. In this first embodiment, the large size is illustrated and described.

[0020] (Bag body) The bag body 12 is formed by heat-sealing and then cutting a polyethylene tubular long sheet having folded portions 22, 22 folded on both the left and right sides at intervals corresponding to the vertical dimension of the garbage bag 12A in the longitudinal direction of the sheet. Here, one of the cut ends is cut linearly at a position outside the heat-sealed portion to form the bottom of the bag body 12, and the other cut end is cut in a substantially U shape at a position inside the heat-sealed portion to form a bottomed bag body 12 having an opening 14, a pair of handle parts 18, 18, and a pair of connecting piece parts 20, 20. In addition, characters and patterns (not shown), such as "City of ○○○", "Designated Garbage Bag (Large)", and "For Combustible Garbage", are formed on the long sheet before cutting by printing.

[0021] (Handle part) As shown in FIG. 1, the bag body 12 has folded portions 22, 22 folded on both the left and right sides, and paired carrying portions 18, 18 for carrying are formed on both upper sides of the opening edge portion 16 surrounding the opening portion 14. Since these paired carrying portions 18, 18 are located at the portions where the folded portions 22, 22 are formed, they are cut in a U shape to form a ring shape, and it is possible to hook the fingertips when using the garbage bag 12A. Further, when the paired carrying portions 18, 18 are used to close the opening portion 14 by containing garbage in the bag body 12, they are respectively tied to close the opening portion 14.

[0022] (Tying piece portion) As shown in FIG. 1, the bag body 12 is also cut such that the left and right centers of the opening edge portion 16 surrounding the opening portion 14 project upward, and the upward projecting portion forms a tying piece portion 20. Two tying piece portions 20 are formed at opposing positions surrounding the opening portion 14 at the opening edge portion 16 to form a pair (in FIG. 1, the respective tying piece portions 20 overlap front and back, and only the tying piece portion 20 on the front side of the drawing can be visually recognized). When the paired tying piece portions 20, 20 are used to close the opening portion 14 by containing garbage in the bag body 12, they are respectively tied to close the opening portion 14.

[0023] (Identification mark) As shown in FIGS. 1 to 4, the garbage bag 10A of the first embodiment has an identification mark 30 formed thereon. This identification mark 30 is composed of a plurality of convex portions 32 formed in the inner region of a predetermined contour shape. Such an identification mark 30 has the following three functions. (1) A function of being able to identify the position of the opening portion 14. (2) A function of being able to prevent the loosening of the knot at the portion tied to close the opening portion 14. (3) A function of being able to identify the type of garbage bag.

[0024] In the garbage bag 10A of the first embodiment, in order to attach the "function of being able to identify the position of the opening 14" in the above (1) to the identification mark 30, the identification mark 30 is formed at a position along the opening edge 16 of the opening 14 or in the vicinity of the opening 14. Specifically, the identification marks 30 are formed on the carrying parts 18, 18 and the connecting pieces 20, 20 which are in the vicinity of the opening 14.

[0025] Also, in the garbage bag 10A of the first embodiment, in order to attach the "function of being able to prevent the loosening of the knot at the tied part for closing the opening 14" in the above (2) to the identification mark 30, the identification mark 30 is formed at a position that becomes a knot when tying to close the opening 14 in the bag body 12. Specifically, the pair of carrying parts 18, 18 provided at the opening edge 16 (the vicinity of the opening 14) of the opening 14 can be tied when closing the opening 14, and the identification mark 30 is formed on these carrying parts 18, 18. And the identification mark 30 formed on the carrying parts 18, 18 is formed at a position that becomes a knot when tying these carrying parts 18, 18.

[0026] Also, the pair of connecting pieces 20, 20 provided at the opening edge 16 of the opening 14 can be tied when closing the opening 14, and the identification mark 30 is formed on these carrying parts 18, 18. And the identification mark 30 formed on the connecting pieces 20, 20 is formed at a position that becomes a knot when tying these connecting pieces 20, 20.

[0027] Furthermore, in the garbage bag 10A of the first embodiment, in order to attach the "function of being able to identify the type of garbage bag" in the above (3) to the identification mark 30, as the identification mark 30 provided on the carrying parts 18, 18 and the connecting pieces 20, 20, an identification mark 30 of the first form (hereinafter "30A") different for each type of garbage bag is adopted. In the first embodiment, the garbage bag 10A shown in FIG. 1 is exemplified as "for combustible garbage", the garbage bag 10A shown in FIG. 2 is exemplified as "for non-combustible garbage", and the garbage bag 10A shown in FIG. 4 is exemplified as "for recyclable garbage".

[0028] As shown in FIGS. 1 to 4, the identification mark 30A of the first form is characterized in that the contour shape of the region where a plurality of convex portions 32 are formed is different for each type of garbage to be stored (for combustible garbage, non-combustible garbage, recyclable garbage, etc.). Here, as illustrated in FIG. 5(a) for example, the plurality of convex portions 32 in the identification mark 30A of the first form have a cylindrical shape with a flat top and substantially the same diameter at the top and the base. As a specific example, the dimensions of each convex portion 32 are such that the diameter d is around 4.0 mm and the protruding height h is around 2.0 mm. However, the diameter d and the protruding height h of the convex portion 32 are not limited to the illustrated dimensions.

[0029] (Identification mark for garbage bag for combustible garbage) In the garbage bag 10A for combustible garbage in the first embodiment, the identification mark 30A of the first form formed on each handle portion 18, 18 has a vertically long rectangular contour shape that conforms to the shape of the vertically long handle portions 18, 18, as shown in FIGS. 1 and 4(a), and one such identification mark 30A is formed on each handle portion 18, 18. The identification mark 30A corresponding to this combustible garbage is formed with a plurality of convex portions 32 arranged in a grid pattern. Specifically, it is composed of a total of 110 convex portions 32 arranged in 5 horizontal rows and 22 vertical rows. The contour size of the identification mark 30A is such that the horizontal width W is about 30 mm and the vertical width L is about 130 mm. Also, the identification mark 30A of the first form formed on each knot portion 20, 20 has a horizontally long rectangular contour shape that conforms to the shape of the knot portions 20, 20, as shown in FIG. 1, and one such identification mark 30A is formed. The identification mark 30A corresponding to this combustible garbage is formed with a plurality of convex portions 32 arranged in a grid pattern. Specifically, it is composed of a total of 63 convex portions 32 arranged in 12 horizontal rows and 7 vertical rows. The contour size of the identification mark 30A is such that the horizontal width W is about 70 mm and the vertical width is about 40 mm.

[0030] (Identification mark for garbage bag for non-combustible garbage) In the garbage bag 10A for non-combustible garbage in the first embodiment, the first-form identification marks 30A formed on the respective carrying parts 18, 18 are, as shown in FIGS. 2 and 4(b), in a rectangular contour shape in accordance with the shape of the vertically long carrying parts 18, 18, and two of them are formed on each of the carrying parts 18, 18. That is, each identification mark 30A is configured to have a size corresponding to one-third of the identification mark 30A corresponding to the above-described combustible garbage in the vertical direction, and each identification mark 30A is provided in two upper and lower stages with an interval of one part. Each of these identification marks 30A corresponding to non-combustible garbage is formed in a state where a plurality of convex parts 32 are arranged in a grid pattern. Specifically, it is composed of a total of 40 convex parts 32 arranged in 5 horizontal rows and 8 vertical stages. The contour size of the identification mark 30A is such that the horizontal width W is about 30 mm and the vertical width L is about 45 mm. Further, the identification marks 30A corresponding to non-combustible garbage formed on the respective tying parts 20, 20 are, as shown in FIG. 2, in a horizontally long rectangular contour shape in accordance with the shape of the tying parts 20, 20, and two of them are formed. They are formed separately in two upper and lower stages. Each of these identification marks 30A corresponding to non-combustible garbage is formed in a state where a plurality of convex parts 32 are arranged in a grid pattern. Specifically, it is composed of a total of 45 convex parts 32 arranged in 9 horizontal rows and 5 vertical stages. The contour size of the identification mark 30A is such that the horizontal dimension is about 52 mm and the vertical dimension is about 28 mm.

[0031] (Identification Mark for Garbage Bag for Recyclable Garbage) In the garbage bag 10A for resource waste in the first embodiment, the first-form identification marks 30A formed on each handle part 18, 18 are formed in a rectangular contour shape according to the shape of the vertically long handle parts 18, 18, as shown in FIGS. 3 and 4(c), and three of them are formed on each handle part 18, 18. That is, each identification mark 30A is configured to have a size corresponding to one-fifth of the identification mark 30A corresponding to the above-described combustible waste in the vertical direction, and each identification mark 30A is provided in three upper and lower stages with an interval of one between them. Each of these identification marks 30A corresponding to resource waste is formed in a state where a plurality of convex portions 32 are arranged in a checkerboard pattern. Specifically, it is composed of a total of 25 convex portions 32 arranged in 5 horizontal rows and 5 vertical stages. The contour size of the identification mark 30A is about 30 mm in width and about 28 mm in height. In addition, the identification marks 30A corresponding to resource waste formed on each knot part 20, 20 are formed in a horizontally long strip-like contour shape according to the shape of the knot parts 20, 20, as shown in FIG. 3, and three of them are formed separately in three upper and lower stages. Each of these identification marks 30A corresponding to resource waste is formed in a state where a plurality of convex portions 32 are arranged in a checkerboard pattern. Specifically, it is composed of a total of 24 convex portions 32 arranged in 12 horizontal rows and 2 vertical stages. The contour size of the identification mark 30A is about 70 mm in width and about 10 mm in height.

[0032] As described above, the garbage bag 10A of the first embodiment has a pair of handle parts 18, 18 and a pair of knot parts 20, 20, and there are three types: for combustible waste, for non-combustible waste, and for resource waste, while the overall outer shape and outer size of the bag body 12 are the same. However, for each type of combustible waste, non-combustible waste, and resource waste, the first-form identification marks 30A with different contour shapes are provided on the handle parts 18, 18 and the knot parts 20, 20. Therefore, each identification mark 30A of the first form is composed of a plurality of convex portions 32 that can be recognized by touching with a fingertip. In the case of visually impaired persons, the contour shape and contour size of the first-form identification mark 30A composed of a plurality of convex portions 32 can be confirmed with a fingertip, so the type of garbage bag can be easily identified.

[0033] In addition, the garbage bag 10A of the first embodiment is provided with a first-form identification mark 30A composed of a plurality of convex portions 32 on a pair of handle portions 18, 18 and a pair of tying pieces 20, 20 located at the opening edge portion 16 of the opening portion 14 or in the vicinity of the opening portion 14. Therefore, even in the case of the bag body 12 in a state of being closely attached in a sheet shape before use, a visually impaired person can easily identify the position of the opening portion 14 by confirming the first-form identification mark 30A composed of the plurality of convex portions 32 with a fingertip.

[0034] In addition, the garbage bag 10A of the first embodiment is provided with a first-form identification mark 30A composed of a plurality of convex portions 32 on a pair of handle portions 18, 18 and a pair of tying pieces 20, 20 that are used for tying when closing the opening portion 14 after the garbage bag 10A has accommodated garbage in the bag body 12. For this reason, the first-form identification mark 30A provided on the pair of handle portions 18, 18 is positioned at the knot when the handle portions 18, 18 are tied to close the opening portion 14. Therefore, the loosening of the tied handle portions 18, 18 can be prevented by the engagement of each convex portion 32. Accordingly, even if the tying method of the handle portions 18, 18 is loose, it is difficult to loosen. For example, even for an elderly person with weak arm strength or fingertip strength, it is possible to prevent the knot of the tied handle portions 18, 18 from coming undone and the garbage accommodated in the bag body 12 from flying out to the outside. Similarly, the first-form identification mark 30A provided on the pair of tying pieces 20, 20 is positioned at the knot when the tying pieces 20, 20 are tied to close the opening portion 14. Therefore, the loosening of the tied tying pieces 20, 20 can be prevented by the engagement of each convex portion 32, and the same effect as that of the above-described handle portions 18, 18 can be obtained.

[0035] (Identification mark of the second form) In the garbage bag 10A of the first embodiment, the identification marks 30 provided on the pair of handle parts 18, 18 and the pair of tying parts 20, 20 may be the identification marks 30B of the second form in which the contour shapes and contour sizes are the same, and the protruding shapes of the plurality of convex parts 32 constituting the identification mark 30 are different for each type of garbage bag. The above-mentioned identification mark 30A of the first form adopts only one type of convex part 32 having a protruding shape protruding in a cylindrical shape with a flat top illustrated in FIG. 5(a), and has a configuration in which the contour shape and contour size of the region formed from the convex part 32 are different. On the other hand, in the identification mark 30B of the second form, with the contour shape and contour size of the region where the convex part 32 is formed being the same, a plurality of protruding shapes of the convex part 32 are set, and it is configured to be composed of convex parts 32 with different protruding shapes for each type such as for combustible garbage, non-combustible garbage, and recyclable garbage. Thus, by touching and confirming the shape of the convex part 32 constituting the identification mark 30B of the second form provided on the pair of handle parts 18, 18 and the pair of tying parts 20, 20 with a fingertip, a visually impaired person can easily identify the type of the garbage bag 10.

[0036] Specifically, the convex part 32 of the identification mark 30B of the second form is composed of a convex part 32A in the form of protruding in a cylindrical shape with a flat top illustrated in FIG. 5(a) implemented in the identification mark 30A of the first form, a convex part 32B in the form of protruding in a conical shape with a pointed top illustrated in FIG. 5(b), a convex part 32C in the form of protruding in a hemispherical shape with an overall spherical surface illustrated in FIG. 5(c), and the like. The convex part 32A with a flat top and a cylindrical shape, the convex part 32B with a pointed top and a conical shape, and the convex part 32C with an overall spherical surface and a hemispherical shape are clearly distinguishable by just touching with a fingertip because the shapes of their tops are completely different.

[0037] Therefore, as an example, in the garbage bag 10A of the first embodiment, for three types of garbage bags, the identification mark 30B is set as follows. That is, the garbage bag 10A for combustible garbage is provided with the identification mark 30B of the second form composed of a plurality of convex portions 32A having a protruding shape with a flat top and a cylindrical shape shown in FIG. 5(a) on a pair of handle portions 18, 18 and a pair of connecting piece portions 20, 20 (FIG. 6(a)). Further, the garbage bag for non-combustible garbage is provided with the identification mark 30B of the second form composed of a plurality of convex portions 32B having a protruding shape with a pointed head and a conical shape shown in FIG. 5(b) on a pair of handle portions 18, 18 and a pair of connecting piece portions 20, 20 (FIG. 6(b)). Furthermore, the garbage bag 10 for recyclable garbage is provided with the identification mark 30B of the second form composed of a plurality of convex portions 32C having an overall spherical surface and a hemispherical shape shown in FIG. 5(c) on a pair of handle portions 18, 18 and a pair of connecting piece portions 20, 20 (FIG. 6(c)).

[0038] Therefore, even in the garbage bag 10A of the first embodiment provided with the identification mark 30B of the second form, a visually impaired person can easily identify the difference in the shape of each of the convex portions 32A, 32B, 32C by touching the convex portions 32A, 32B, 32C constituting the identification mark 30B of the second form with a fingertip. Thus, similar to the garbage bag 10A of the first embodiment provided with the identification mark 30A of the first form, a visually impaired person can easily recognize the position of the opening 44, can easily identify the type of the garbage bag, and can obtain effects such as preventing the tied handle portions 18, 18 and the tied connecting piece portions 20, 20 from loosening or coming apart.

[0039] (Second Embodiment) Figure 7 shows an example of a garbage bag 10 (hereinafter referred to as "10B") according to the second embodiment of the present invention. The garbage bag 10B of the second embodiment is a rectangular shape with a straight opening edge 46 surrounding the opening 44, and is a handleless garbage bag composed of a bag body 42 that does not have an annular handle portion 18 or a knot piece portion 20 like the garbage bag 10A of the first embodiment. In addition, the garbage bag 10B of the second embodiment has variations in sizes of a plurality of types (for example, large size, medium size, small size, etc.) where the vertical and horizontal sizes of the bag body 42 are different, but the basic shapes are the same except for the different vertical and horizontal sizes. The large-sized garbage bag has a size of the bag body 42 of approximately 800 mm in length and 650 cm in width, and a content volume of 45 liters. In this second embodiment, the large size is exemplified for explanation.

[0040] (Bag body) The bag body 42 is formed by heat-sealing a polyethylene tubular long sheet having folded portions 48, 48 folded on both the left and right sides at intervals corresponding to the vertical dimension of the garbage bag in the longitudinal direction of the sheet and then cutting. Here, one of the cut ends is cut linearly at a position outside the heat-sealed portion to form the bottom of the bag body 42, and the other cut end is cut linearly at a position inside the heat-sealed portion to form a bottomed rectangular bag body 42. In addition, characters and patterns (not shown) such as "City of ○○○", "Designated Garbage Bag (Large)", and "For Combustible Garbage" are formed on the long sheet before cutting by printing.

[0041] (Identification mark) As shown in FIGS. 7 to 10, the garbage bag 10B of the second embodiment has an identification mark 30 formed thereon. This identification mark 30 is composed of a plurality of convex portions 32 formed in the inner region of a predetermined contour shape. Such an identification mark 30 has the following three functions. (1) A function of being able to identify the position of the opening 44. (2) A function of being able to prevent the loosening of the knot of the tied opening edge 46. (3) A function of being able to identify the type of garbage bag.

[0042] In the garbage bag 10B of the second embodiment, in order to attach the function of "being able to identify the position of the opening 44" in the above (1) to the identification mark 30, the identification mark 30 is formed at a position along the opening edge 46 of the opening 44 (a position in the vicinity of the opening 44). Specifically, the identification mark 30 is formed at a position along the linear opening edge 46 surrounding the opening 44.

[0043] Also, in the garbage bag 10B of the second embodiment, in order to attach the function of "being able to prevent the loosening of the knot of the tied opening edge 46" in the above (2) to the identification mark 30, the identification mark 30 is formed at the position that becomes the knot when the opening edge 46 is tied to close the opening 44 in the bag body 42. When closing the opening 44 of the garbage bag 10B of the second embodiment, the opposing positions of the opening edge 46 located around the opening 44 are drawn closer, and it is tied while closing the opening 44. Therefore, by forming the identification mark 30 on the opening edge 46 surrounding the opening 44, when the opening edge 46 is tied, it will be formed at the position that becomes the knot.

[0044] Furthermore, in the garbage bag 10B of the second embodiment, in order to attach the function of "being able to identify the type of garbage bag" in the above (3) to the identification mark 30, as the identification mark 30 provided at a position along the opening edge 46 surrounding the opening 44, an identification mark 30 of the first form (hereinafter "30A") different for each type of garbage bag is adopted. In the second embodiment, the garbage bag 10B shown in FIG. 7 is exemplified as "for combustible garbage", the garbage bag 10B shown in FIG. 8 is exemplified as "for non-combustible garbage", and the garbage bag 10B shown in FIG. 9 is exemplified as "for recyclable garbage".

[0045] As exemplified in FIGS. 7 to 9, the identification mark 30A of the first form is characterized in that the contour shape of the region where a plurality of convex portions 32 are formed is different for each type of garbage to be stored (for combustible garbage, non-combustible garbage, recyclable garbage, etc.). Here, as exemplified in FIG. 5(a), the plurality of convex portions 32 in the identification mark 30A of the first form have a flat top and a cylindrical shape with substantially the same diameter at the top and the base. As a specific example, the dimensions of each convex portion 32 are such that the diameter d is around 4.0 mm and the protruding height h is around 2.0 mm. However, the diameter d and the protruding height h of the convex portion 32 are not limited to the exemplified dimensions.

[0046] (Identification mark for garbage bag for combustible garbage) In the garbage bag 10B for combustible garbage in the second embodiment, the identification mark 30A of the first form formed at a position along the opening edge portion 46 is, as shown in FIG. 7, in accordance with the horizontally long opening edge portion 46, in the direction along the opening edge portion 46, at three positions: the center, the left portion, and the right portion, three identification marks 30A are provided side by side at equal intervals. The identification mark 30A corresponding to this combustible garbage has a horizontally long rectangular contour shape. Each identification mark 30A is formed in a state where a plurality of convex portions 32 are arranged in a grid pattern. Specifically, it is composed of a total of 90 convex portions 32 arranged in 18 rows horizontally and 5 columns vertically. The contour size of the identification mark 30A is such that the horizontal width W is about 110 mm and the vertical width L is about 30 mm. As each convex portion 32, for example, the convex portion 32A having a flat top and a cylindrical shape shown in FIG. 5(a) is adopted. Since the convex portion 32A has been described in the first embodiment, the description is omitted here.

[0047] (Identification mark for garbage bag for non-combustible garbage) In the second embodiment, the garbage bag 10B for non-combustible garbage has the first-form identification marks 30A formed at positions along the opening edge 46. As shown in Fig. 8, in accordance with the horizontally long opening edge 46, a total of six identification marks 30A are provided at equal intervals in the direction along the opening edge 46. The six identification marks 30A corresponding to the non-combustible garbage have a horizontally long rectangular contour shape with a shorter horizontal width than the identification marks 30A provided on the garbage bag 10B for combustible garbage. Each identification mark 30A is formed in a state where a plurality of convex portions 32 are arranged in a checkerboard pattern. Specifically, it is composed of a total of 55 convex portions 32 arranged in 11 rows horizontally and 5 stages vertically. The contour size of the identification mark 30A is such that the horizontal width W is about 65 mm and the vertical width L is about 30 mm. Each convex portion 32 is the same as the identification mark 30A adopted for the garbage bag 10B for combustible garbage. For example, the convex portion 32A having a cylindrical shape with a flat top shown in Fig. 5(a) is adopted.

[0048] (Identification Marks for Garbage Bags for Recyclable Garbage) In the second embodiment, the garbage bag 10B for recyclable garbage has the first-form identification marks 30A formed at positions along the opening edge 46. As shown in Fig. 9, in accordance with the horizontally long opening edge 46, in the direction along the opening edge 46, at three locations: the center, the left part, and the right part, they are each formed in two upper and lower stages. The six identification marks 30A corresponding to the recyclable garbage have the same length as the identification marks 30A provided on the garbage bag 10B for combustible garbage and have a horizontally long rectangular contour shape. Each identification mark 30A is formed in a state where a plurality of convex portions 32 are arranged in a checkerboard pattern. Specifically, it is composed of a total of 54 convex portions 32 arranged in 18 rows horizontally and 3 stages vertically. The contour size of the identification mark 30A is such that the horizontal width W is about 110 mm and the vertical width L is about 16 mm. Each convex portion 32 is the same as the identification marks 30A adopted for the garbage bag 10B for combustible garbage and the garbage bag 10B for non-combustible garbage. For example, the convex portion 32A having a cylindrical shape with a flat top shown in Fig. 5(a) is adopted.

[0049] As described above, the garbage bag 10B of the second embodiment has the same outer shape and outer size of the rectangular bag body 42, but there are three types for combustible garbage, non-combustible garbage, and recyclable garbage. However, for each type of combustible garbage, non-combustible garbage, and recyclable garbage, the identification mark 30A of the first form with a different contour shape is provided at a position along the opening edge 46 surrounding the opening 44. For this reason, each identification mark 30A of the first form is composed of a plurality of convex portions 32 that can be recognized by touching with a fingertip. In the case of visually impaired persons, the contour shape and contour size of the identification mark 30A of the first form composed of the plurality of convex portions 32 can be confirmed with a fingertip, so that the type of garbage bag can be easily identified.

[0050] Further, the garbage bag 10B of the second embodiment is provided with an identification mark 30A of the first form composed of a plurality of convex portions 32 at a position along the opening edge 46 surrounding the opening 44. For this reason, even in the case of the bag body 42 in a state of being closely attached in a sheet shape before use, a visually impaired person can easily identify the position of the opening 44 by confirming the identification mark 30A of the first form composed of the plurality of convex portions 32 with a fingertip.

[0051] Further, the garbage bag 10B of the second embodiment is provided with an identification mark 30A of the first form composed of a plurality of convex portions 32 at a position along the opening edge 46 that is tied when closing the opening 44 after the garbage is stored in the bag body 42. For this reason, the identification mark 30A of the first form provided at a position along the opening edge 46 comes to be located at the knot when tying the opening edge 46 to close the opening 44. Therefore, it is possible to prevent the loosening of the tied opening edge 46 by the engagement of each convex portion 32. Therefore, even if the tying method of the opening edge 46 is loose, it is difficult to loosen. For example, even for an elderly person with weak arm strength or fingertip strength, it is possible to prevent the knot of the tied opening edge 46 from coming loose and the garbage stored in the bag body 42 from flying out to the outside.

[0052] (Identification mark of the second form) The identification mark 30 formed on the garbage bag 10B of the second embodiment is not limited to the identification mark 30A of the first form as in the first embodiment described above, and the identification mark 30B of the second form shown in FIG. 10 may be adopted. The identification mark 30B of the second form has the same contour shape and contour size of the region where the convex portion 32 is formed, and a plurality of protruding shapes of the convex portion 32 are set, and for each type such as for combustible garbage, non-combustible garbage, and recyclable garbage, It is configured from convex portions 32 having different protruding shapes. Thereby, by touching and confirming the shape of the convex portion 32 constituting the identification mark 30 of the second form provided at the position along the opening edge portion 46 with a fingertip, a visually impaired person can easily identify the type of the garbage bag 10.

[0053] Therefore, as an example, in the garbage bag 10B of the second embodiment, for three types of garbage bags, the identification mark 30B is set as follows. That is, the garbage bag 10B for combustible garbage is provided with the identification mark 30B of the second form composed of a plurality of convex portions 32A having a protruding shape that is cylindrical with a flat top shown in FIG. 5(a) at a position along the opening edge portion 46 (FIG. 10(a)). Further, the garbage bag 10B for non-combustible garbage is provided with the identification mark 30B of the second form composed of a plurality of convex portions 32B having a protruding shape that is conical with a pointed head shown in FIG. 5(b) at a position along the opening edge portion 46 (FIG. 10(b)). Furthermore, the garbage bag 10B for recyclable garbage is provided with the identification mark 30B of the second form composed of a plurality of convex portions 32C having a hemispherical shape with an overall spherical surface shown in FIG. 5(c) at a position along the opening edge portion 46 (FIG. 10(c)).

[0054] Therefore, even in the garbage bag 10B of the second embodiment provided with the identification mark 30B of the second form, a visually impaired person can easily identify the difference in the shape of each of the convex portions 32A, 32B, and 32C by touching the convex portions 32A, 32B, and 32C constituting the identification mark 30B of the second form with a fingertip. Therefore, similar to the garbage bag 10B of the second embodiment provided with the identification mark 30A of the first form, a visually impaired person can easily recognize the position of the opening 44, can easily identify the type of the garbage bag, and can prevent the tied opening edge portion 46 from loosening or coming off. The same operational effects can be obtained.

[0055] (Forming operation of identification mark) FIG. 11 shows an example of a press machine used to form identification marks 30 (30A, 30B) on a garbage bag according to the present invention. As shown in FIG. 11(a), this press machine 60 is capable of forming identification marks 30 (30A, 30B) on a garbage bag 10 (10A, 10B) manually, and includes a pair of upper die 62 and lower die 64 for forming a plurality of convex portions 32, and an operation lever 66 for pressing the upper die 62 against the lower die 64. The upper die 62 is connected to the operation lever 66 via a cam mechanism 68, and is configured such that when the opening portions (14, 44) side of the garbage bag 10 is inserted between the upper die 62 and the lower die 64 which are separated vertically, the upper die 62 moves downward by pulling the operation lever 66 downward.

[0056] Therefore, as shown in FIG. 11(b), an operator can form the identification mark 30 (30A, 30B) composed of a plurality of convex portions 32 on the garbage bag 10 by inserting the opening portions (14, 44) side of the garbage bag 10 between the upper die 62 and the lower die 64 and pulling down the operation lever 66. If such a press machine 60 with a simple structure is adopted to manufacture the garbage bag 10 (10A, 10B) with the identification mark 30 (30A, 30B) formed on a general garbage bag, such work can be undertaken by disabled persons such as visually impaired persons, so it becomes possible to utilize it for the employment support of disabled persons.

[0057] (Regarding the outer bag) The garbage bags 10 (10A, 10B) according to the present invention are, for example, displayed and sold in stores such as supermarkets and drugstores in a state where 10 folded garbage bags 10 are stored in an outer bag (not shown). On the front or back surface of this outer bag, the same identification mark as the identification mark 30 (30A, 30B) provided on the stored garbage bag 10 is formed. That is, on the outer bag storing the garbage bags 10 (10A, 10B) for combustible garbage, the same identification mark 30 (30A, 30B) as the identification mark 30 (30A, 30B) formed on the garbage bags 10 (10A, 10B) for combustible garbage is formed. Also, on the outer bag storing the garbage bags 10 (10A, 10B) for non-combustible garbage, the same identification mark 30 (30A, 30B) as the identification mark 30 (30A, 30B) formed on the garbage bags 10 (10A, 10B) for non-combustible garbage is formed. Further, on the outer bag storing the garbage bags 10 (10A, 10B) for recyclable garbage, the same identification mark 30 (30A, 30B) as the identification mark 30 (30A, 30B) formed on the garbage bags 10 (10A, 10B) for recyclable garbage is formed. Thus, for visually impaired persons, when purchasing the garbage bags 10 (10A, 10B) at a store, they can appropriately identify the type of the garbage bags 10 (10A, 10B) just by touching the identification mark 30 (30A, 30B) formed on the outer bag with their fingertips, and there is an advantage that they can appropriately select and purchase the garbage bags 10 (10A, 10B) of the type they wish to purchase.

[0058] (Modified Example) (1) The contour shape and contour size of the identification mark 30 are not limited to those exemplified in the first embodiment and the second embodiment. In the first embodiment and the second embodiment, those having a rectangular, nearly square rectangular, or strip-like contour shape were exemplified, but the contour shape of the identification mark 30 can adopt various contour shapes such as circular, elliptical, semi-circular, trapezoidal, and rhomboidal. (2) The identification mark 30 can be appropriately changed in terms of contour shape, contour size, number of formations, etc. according to the size of the garbage bag (large size, medium size, small size, etc.). For any size, by using different contour shapes and contour sizes for each type such as for combustible waste, non-combustible waste, and recyclable waste in the first form of the identification mark 30A, it becomes possible to identify the type by touching with a fingertip. In the second form of the identification mark 30B, by using different protruding shapes of the convex portions 32 (32A, 32B, 32C), it becomes possible to identify the type by touching the convex portions 32 (32A, 32B, 32C) with a fingertip. (3) The protruding shape of the convex portion 32 that constitutes the second form of the identification mark 30 is not limited to the three types illustrated in FIG. 5. In the flat top type shown in FIG. 5(a), in addition to a cylindrical shape, it may be an elliptical cylindrical shape, a polygonal cylindrical shape such as a triangle or a square, etc. Note that the flatness of the top may be horizontal or may be inclined at an appropriate angle. Also, in the pointed top type shown in FIG. 5(b), in addition to a conical shape, it may be an elliptical conical shape, a polygonal conical shape such as a triangle or a square, etc. Further, in the semi-circular shape type shown in FIG. 5(c), in addition to a semi-circular shape of a perfect circle, it may be a semi-circular shape of an ellipse, etc. (4) The contour shape and contour size of the second form of the identification mark 30B are not limited to the vertically long rectangle illustrated in FIG. 6, and may be the contour shape and contour size shown in FIG. 4(b), the contour shape and contour size shown in FIG. 4(c), or other contour shapes and contour sizes. (5) In each embodiment, for the first form of the identification mark 30A, the case of adopting the cylindrical convex portion 32A with a flat top shown in FIG. 5(a) is illustrated. However, the first form of the identification mark 30A may adopt the conical convex portion 32B with a pointed top illustrated in FIG. 5(b), or may adopt the semi-circular convex portion 32C with a spherical shape illustrated in FIG. 5(c). Also, convex portions 32 of other shapes may be adopted. (6) In each embodiment, the case where the identification mark 30 is formed manually by a visually impaired person or the like was exemplified. However, in an automatic production line of a factory that manufactures ordinary garbage bags without the identification mark 30, by additionally setting a molding process of the identification mark 30 composed of a plurality of convex portions 32, it is also possible to mold the identification mark 30 before and after cutting a long sheet. (7) Regarding the outer bag described in paragraph

[0057] , Braille defined by JIS standards may be formed. That is, JIS standard Braille corresponding to the characters "for combustible garbage" or "for burnable garbage" is formed on the outer bag for storing garbage bags for combustible garbage, and JIS standard Braille corresponding to the characters "for non-combustible garbage" or "for non-burnable garbage" is formed on the outer bag for storing garbage bags for non-combustible garbage. JIS standard Braille corresponding to the characters "for recyclable garbage" may be formed on the outer bag for storing garbage bags for recyclable garbage.

Explanation of reference numerals

[0059] 10 Garbage bag 10A Garbage bag of the first embodiment 10B Garbage bag of the second embodiment 12, 42 Bag body 14, 44 Opening 16, 46 Opening edge 30 Identification mark 30A Identification mark of the first form 30B Identification mark of the second form 32, 32A, 32B, 32C Convex portion

Claims

1. It consists of a bag body (12, 42) formed into a bottomed rectangular shape from a plastic tubular film and having openings (14, 44) formed on one side, and in the garbage bag (10 / 10A, 10B) with an identification mark (30) formed for visually impaired persons that can be recognized by fingertips at the positions of the openings (14, 44). The identification mark (30) is composed of a plurality of convex portions (32) that can be recognized by fingertips. The identification mark (30) is formed on the bag body (12, 42) at a position adjacent to the opening edges (16, 46) of the openings (14, 44) and at a position that becomes a knot when tied to close the openings (14, 44). The identification mark (30) is formed in different forms according to the type of garbage to be contained in the bag body (12, 42), and is configured to enable recognition of the type of garbage bag when the convex portions (32) are touched with fingertips. A garbage bag characterized by the above.

2. The garbage bag according to Claim 1, wherein the identification mark (30) is a first-form identification mark (30A) in which the contour shape of the region where the plurality of convex portions (32) are formed is different for each type of garbage to be contained.

3. The garbage bag according to Claim 1, wherein the identification mark (30) is a second-form identification mark (30B) in which the protruding shapes of the plurality of convex portions (32 / 32A, 32B, 32C) are different for each type of garbage to be contained.

Images