JP2017190137A - Bag body and bag body with string - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bag body that has a sheet structure suitable for being used as an ice cooler bag and the like for cooling an article by internally accommodating the article such as a bottle or can with a beverage, water and ice.SOLUTION: A bag body 2 includes bodies 11, 12, 13 and 14 having one-side ends opened, and a bottom 15 for closing the other-side ends of the bodies 11, 12, 13 and 14. Inner and outer surfaces of the bag body 2 with self-standing properties have water resistance. A sheet constituting at least a part of the bodies 11, 12, 13 and 14 includes paper having vegetable fibers.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a bag body and a bag body with a string.

  The following Patent Document 1 includes a bag having a body portion having one end opened and a bottom portion that closes the other end of the body portion, and a string attached to the one end side of the body portion. A bag is disclosed.

  And in the following Patent Document 1, if a sheet made of water-resistant paper or a waterproof coating is used as the material of the sheet constituting the bag body, it will not leak even if water is put into the bag body, and the wine bottle It can be used as a container for cooling the bottle by putting ice and water in a bag body containing the bottle, for example, at a party venue, etc. Has been.

Japanese Patent Laid-Open No. 2015-212166

  However, Patent Document 1 does not disclose a specific structure of the sheet.

  The present invention has been made in view of such circumstances, and one object of the present invention is an article such as a beverage bottle or can, an ice cooler bag or the like that cools the article by putting water and ice inside. It is providing the bag body which has a sheet | seat structure suitable for using, and a bag body with a string using the same.

  Another object of the present invention is to provide a bag body that can be used as the ice cooler bag or the like and has a low burden on the natural environment when discarded, and a bag body with a string using the bag body. .

  Still another object of the present invention is to provide a stringed bag body that can easily close the opening of the bag body when being carried, and has a simple structure and is inexpensive.

  The following aspects are presented as means for solving the problems. A bag body according to a first aspect is a bag body having a trunk portion having one end opened and a bottom portion closing the other end of the trunk portion, the inner surface and the outer surface being water-resistant, and having self-supporting properties. And the sheet | seat which comprises at least one part of the said trunk | drum contains the paper which has a vegetable fiber.

  The bag body according to the first aspect is a bag body having a trunk portion whose one end is open and a bottom portion which closes the other end of the trunk portion, an inner surface having water resistance, and self-supporting properties. Therefore, even if water is put into the bag body, it does not leak and not only accommodates and carries items such as wine bottles, but also places items such as wine bottles and beverage bottles or cans, water and ice inside. And can be used as an ice cooler bag for cooling the article. And when the bag body by this 1st aspect is used as an ice cooler bag, although the outer surface condenses, since the outer surface has water resistance, the intensity | strength of a bag body falls by the said condensation. There is no such thing.

  When the sheet constituting the bag body is composed only of resin, in order to ensure the independence of the bag body, the thickness of the sheet must be made very thick, and the cost increase cannot be avoided, Even if the bag body is stored and transported before use, the bag body becomes strong, and the bag body is not so thin that it cannot be efficiently stored and transported.

  On the other hand, in the bag according to the first aspect, since the sheet constituting at least a part of the trunk includes paper having plant fibers, the paper is strong even if it is thin compared to the resin. The independence of the bag can be ensured while making the sheet thin. Therefore, according to the first aspect, it is possible to reduce the cost, and even when trying to fold the bag body during storage and transportation before use, the bag body is not so strong and becomes relatively thin. Storage and transportation can be performed efficiently.

  As mentioned above, according to the said 1st aspect, the bag body which has a sheet | seat structure suitable for using as articles | goods, such as a drink bottle or a can, an ice cooler bag etc. which cools the said articles | goods by putting water and ice inside. Can be provided.

  Note that the use of the bag according to the first aspect is not necessarily limited to the ice cooler bag, and may be used for applications that make use of the characteristic that water does not leak, such as vases and planters.

  A bag according to a second aspect is the bag according to the first aspect, wherein the sheet is composed of a resin film, polyethylene, the paper, polyethylene, and a sealant resin film laminated in order from the outside. In the second aspect, a specific configuration example of the sheet is given.

  The bag body by the 3rd aspect is a said 1st aspect. WHEREIN: The said sheet | seat is comprised from the resin film, the adhesive agent, the said paper, an adhesive agent, and the sealant resin film laminated | stacked in order from the outer side. In the third aspect, another specific configuration example of the sheet is given.

  A bag according to a fourth aspect is the bag according to the first aspect, wherein the sheet is composed of a varnish, the paper, an adhesive, and a sealant resin film laminated in order from the outside. In the fourth aspect, still another specific configuration example of the sheet is given.

  A bag according to a fifth aspect is the bag according to the first aspect, wherein the sheet is composed of water-resistant paper including the paper, an adhesive, and a sealant resin film laminated in order from the outside. In the fifth aspect, still another specific configuration example of the sheet is given.

  A bag according to a sixth aspect is the bag according to the first aspect, wherein the sheet is composed of a biodegradable resin film, an adhesive, the paper, an adhesive, and a biodegradable resin film laminated in order from the outside. It is.

  In the bag according to the sixth aspect, since the sheet is made of a biodegradable resin film, the burden on the natural environment is reduced when the sheet is discarded.

  A bag body according to a seventh aspect is a bag body having a barrel portion having one end opened and a bottom portion closing the other end of the barrel portion, and an inner surface having water resistance, wherein at least a part of the barrel portion. Is composed of paper having a vegetable fiber, an adhesive, and a biodegradable resin film laminated in order from the outside.

  Since the outer surface of the bag according to the seventh aspect may not have water resistance, the strength of the bag due to condensation may decrease when used as an ice cooler bag. The same advantages as the bag according to the first aspect can be obtained. In the bag according to the seventh aspect, since the sheet is configured using a biodegradable resin film, the burden on the natural environment is reduced when the sheet is discarded.

  In any one of the first to seventh aspects, the bag according to the eighth aspect is used as an ice cooler bag that cools the article by placing the article such as a beverage bottle or can, water, and ice inside. Is. In the eighth aspect, application examples of the bag body according to the first to sixth aspects are given.

  The bag body with a string according to the ninth aspect includes the bag body according to any one of the first to eighth aspects and a string attached to the one end side of the trunk portion.

  According to the bag body with a string according to the ninth aspect, since the string is provided, it is convenient to carry.

  The bag body with a string according to a tenth aspect is the part of the trunk portion on the opening portion side when the bag body is flattened so that the opening portion of the one end of the trunk portion is closed in the ninth aspect. First and second through-holes penetrating the front and back are provided at intervals in the direction along the one end, and provided with a connector having third and fourth through-holes, and the string includes the string After passing through the third through hole from the one end side of the string to the other end side of the string, and then inserting the first through hole from one side of the front and back to the other side, The second through hole is inserted from the other side of the front and back to the one side, and further, the fourth through hole is inserted, near the one end and the other end of the string. Each retaining part is provided, and the third and fourth through holes are combined into one through hole. The is intended.

  According to the tenth aspect, the connector is used, the string is inserted into the first to fourth through holes as described above, and the string is near one end and the other end. Since the retaining portions are respectively provided on the bags, the opening portion of the bag body is closed without requiring any special operation when the user holds the string and lifts it or puts it on the shoulder. Therefore, according to this 10th aspect, when carrying, the opening part of a bag can be closed easily. And in this tenth aspect, although a connecting tool is required, only one string is required, and since it is not necessary to adopt a special structure other than the first and second through holes in the bag body, The structure is simple and inexpensive.

  According to the tenth aspect, the one end of the string is prevented from coming off from the fourth through-hole of the connector, while the one end of the string is the fourth end. The other end portion of the string is prevented from coming out of the third through hole of the connector, while the other end side of the string is the third end. It can be fed out to the through hole. In the tenth aspect, the one end and the other end of the string are connected while having such a degree of freedom. For example, the string is hung on the shoulder in a single state, or the string A variety of usage methods are possible, such as putting a hand in a double state and holding it in your hand.

  According to the tenth aspect, since the third and fourth through holes are also used as one through hole, it is only necessary to form one through hole in the connector. Compared to the case where a total of two through-holes are formed in the connector using the fourth through-holes as separate through-holes, the structure of the connector is simplified.

  The bag body with a string according to an eleventh aspect includes a bag body having an opening at an upper end thereof, a string attached to the bag body at the trunk portion, and a connector, and the bag body is closed so that the opening is closed. A first through hole and a second through hole penetrating front and back in the opening side portion of the bag body when the bag is flattened are spaced apart from each other in the direction along the upper end; Has a third and a fourth through hole, and the string passes from the one end side of the string to the other end side of the string and then passes through the third through hole. After the first through hole is inserted from one side of the front and back to the other side, the second through hole is inserted from the other side of the front and back to the one side, and the fourth through hole is further inserted. Insertion stoppers are provided near the one end and the other end of the string. Is, the third and fourth through hole in which is shared by one through hole.

  According to the eleventh aspect, the same advantages as in the tenth aspect can be obtained.

  The bag body with a string according to a twelfth aspect is the tenth or eleventh aspect, wherein the connector is a ring-shaped member.

  According to the twelfth aspect, since the connector is composed of a ring-shaped member, the structure of the connector is simpler and less expensive. However, in the tenth and eleventh aspects, the connector is not limited to this.

  According to one aspect of the present invention, an article such as a beverage bottle or can, a bag having a sheet structure suitable for use as an ice cooler bag or the like that cools the article by placing water and ice therein, and the like A bag body with a string using can be provided.

  According to another aspect of the present invention, it is possible to provide a bag body that can be used as the ice cooler bag or the like and has a low burden on the natural environment when discarded, and a bag body with a string using the bag body. Can do.

  According to still another aspect of the present invention, it is possible to easily close the opening of the bag body when carrying it, and to provide a stringed bag body that is simple in structure and inexpensive.

It is a schematic perspective view which shows the state which opened the opening part moderately of the bag body with a string by one embodiment of this invention. It is the front view and sectional drawing which show the coupling tool in FIG. It is the partial schematic perspective view seen from diagonally upward which shows an example of the state which the opening part of the bag body with a string shown in FIG. 1 closed. It is the partial schematic perspective view seen from diagonally upward which shows the other example of the state with the opening part closed of the bag body with a string shown in FIG. It is a schematic perspective view which shows the state which opened the opening part of the square bottom bag which comprises the bag body with a string shown in FIG. It is the schematic front view which shows the flat state of the square bottom bag which comprises the bag body with a string shown in FIG. 1, and a schematic right view. It is a general | schematic disassembled perspective view of the square bottom bag which comprises the bag body with a string shown in FIG. It is a schematic sectional drawing which shows typically an example of the layer structure of the sheet | seat which comprises the square bottom bag which comprises the bag body with a string shown in FIG. It is a schematic sectional drawing which shows typically the other example of the layer structure of the sheet | seat which comprises the square bottom bag which comprises the bag body with a string shown in FIG. It is a schematic sectional drawing which shows typically the further another example of the layer structure of the sheet | seat which comprises the square bottom bag which comprises the bag body with a string shown in FIG. It is a schematic sectional drawing which shows typically the further another example of the layer structure of the sheet | seat which comprises the square bottom bag which comprises the bag body with a string shown in FIG. It is a schematic sectional drawing which shows typically the further another example of the layer structure of the sheet | seat which comprises the square bottom bag which comprises the bag body with a string shown in FIG. It is a schematic sectional drawing which shows typically the further another example of the layer structure of the sheet | seat which comprises the square bottom bag which comprises the bag body with a string shown in FIG. It is the front view which shows the other example of a coupling tool, sectional drawing, and a connection state figure.

  Hereinafter, a bag body and a bag body with a string according to the present invention will be described with reference to the drawings.

  FIG. 1 is a schematic perspective view showing a state in which an opening 2a is opened moderately in a bag body 1 with a string according to an embodiment of the invention. Fig.2 (a) is a front view which shows the coupling tool 4 in FIG. FIG. 2B is a cross-sectional view taken along line A-A ′ in FIG. FIG. 3 is a partial schematic perspective view of the bag-attached bag body 1 shown in FIG. 1 as seen from obliquely above showing an example of a state in which the opening 2a is closed. FIG. 4 is a partial schematic perspective view of the bag-attached bag body 1 shown in FIG. 1 as seen from obliquely above, showing another example of the state in which the opening 2a is closed. FIG. 5 is a schematic perspective view showing a state in which the opening 2a of the square bottom bag 2 constituting the bag body 1 with the string shown in FIG. 1 is completely opened. Fig.6 (a) is a schematic front view which shows the flat state of the square bottom bag 2 which comprises the bag body 1 with a string shown in FIG. In FIG. 6A, the heat-sealed regions R1, R2, and R3 are hatched. FIG.6 (b) is a schematic right view which shows the flat state of the square bottom bag 2 which comprises the bag body 1 with a string shown in FIG. However, in FIG.6 (b), illustration of the right side part 13 which comprises a collar part is abbreviate | omitted. FIG. 7 is a schematic exploded perspective view of the square-bottom bag 2 constituting the stringed bag body 1 shown in FIG.

  In the following description, the front side of the paper surface in FIG. 1 will be described as the front side, and the back side of the paper surface in FIG. 1 will be described as the rear side, but the reverse may be possible. “Front” and “Rear” are not fixedly determined as to which side is “front” and “which side is“ rear ”. When“ front ”is set as one side, “After” means the opposite side.

  The bag-attached bag body 1 according to the present embodiment has a trunk portion that is open at one end and a bottom portion 15 that closes the other end of the trunk portion, and has an inner surface and an outer surface that are water resistant and self-supporting. A square bottom bag 2 as a bag body, a string 3 attached to the square bottom bag 2, and a connector 4 are provided. But in this invention, it replaces with the square bottom bag 2 and may use the bag body of another form as the said bag body. In the present invention, it is not always necessary to attach the string 3 to the bag.

  In the present embodiment, the body portion of the square bottom bag 2 is configured in a rectangular tube shape with the front surface portion 11, the rear surface portion 12, and both side portions 13 and 14 forming the flange portion, and has an opening 2a at the upper end thereof. The lower end is closed by a bottom portion 15 forming a square bottom. In the present embodiment, the front surface portion 11, the rear surface portion 12, the right side portion 13, the left side portion 14 and the bottom portion 15 are configured by separate sheets as shown in FIG. 7, and these five sheets are heat sealed. Thus, the square bottom bag 2 is configured. The material of these sheets will be described later.

  Folding lines 13 a to 13 d are formed on the right side 13 of the square bottom bag 2, folding lines 14 a to 14 d are formed on the left side 14 of the square bottom bag 2, and a folding line 15 a is formed on the bottom 15 of the square bottom bag 2. As a result, the square bag 2 can be folded into a flat state as shown in FIG. In this flat state, the opening 2a is closed.

  In this flat state, the front surface part 11 and the rear surface part 12 are just overlapped, and the right side part 13 (see FIG. 7) folded between the front surface part 11 and the rear surface part 12 by folding lines 13a to 13d, The left side part 14 (refer FIG. 7) folded by the lines 14a-14d and the bottom part 15 folded by the folding line 15a are arrange | positioned as shown in FIG. And in area | region R1 along the right side of the front surface part 11 and the rear surface part 12, between the front surface part 11 and the right side part 13, between the rear surface part 12 and the right side part 13, and the bottom part 15 and the right side part 13 The space is heat sealed. Further, in the region R2 along the left side of the front surface portion 11 and the rear surface portion 12, between the front surface portion 11 and the left side portion 14, between the rear surface portion 12 and the left side portion 14, and between the bottom portion 15 and the left side portion 14. The space is heat sealed. Further, in the region R3 along the lower side of the front surface portion 11 and the rear surface portion 12, the space between the front surface portion 11 and the bottom portion 15 and the space between the rear surface portion 12 and the bottom portion 15 are heat-sealed.

  In FIG. 5, 21 is a heat seal portion between the front surface portion 11 and the right side portion 13 in the region R1, 22 is a heat seal portion between the rear surface portion 12 and the right side portion 13 in the region R1, and 23 is a bottom portion in the region R1. 15 is a heat seal portion between the right side portion 13 and 24 is a heat seal portion between the front surface portion 11 and the left side portion 14 in the region R2, and 25 is heat between the rear surface portion 12 and the left side portion 14 in the region R2. The seal part, 26 is a heat seal part between the bottom 15 and the left part 14 in the region R2, 27 is a heat seal part between the front surface part 11 and the bottom part 15 in the region R3, and 28 is the rear surface part 12 in the region R3. The heat seal part between the bottom part 15 is shown, respectively.

  A first through-hole 16 that passes through the front and back (front and rear) at the opening 2a side portion of the square bottom bag 2 when the square bottom bag 2 is flattened as shown in FIG. 6 so that the opening 2a is closed. And the 2nd through-hole 17 is provided in the direction (left-right direction in FIG. 6) along the said upper end at intervals. In the present embodiment, the first through hole 16 is disposed at a position that penetrates the right side portion 13 that forms a folded heel portion in a state where the square bottom bag 2 is flattened as shown in FIG. A hole 16a formed in the front surface portion 11, holes 16b and 16c formed in the right side portion 13, and a hole 16d formed in the rear surface portion 12 are configured so as to sequentially overlap from the front side to the rear side. Further, in the present embodiment, the second through-hole 17 is disposed at a position that penetrates the left side portion 14 that forms a folded heel portion in a state where the square bottom bag 2 is flattened as shown in FIG. Then, the hole 17a formed in the front surface portion 11, the holes 17b and 17c formed in the left side portion 14, and the hole 17d formed in the rear surface portion 12 are configured so as to sequentially overlap from the front side to the rear side. But you may arrange | position the 1st and 2nd through-holes 16 and 17 in the position which does not penetrate the both sides 13 and 14 so that the both sides 13 and 14 which make the folded skirt part may be avoided.

  In the present embodiment, as shown in FIG. 2, the connector 4 is composed of an oval plate-like member, and has a third through hole 33 and a fourth through hole 34. As a material of the connector 4, for example, a synthetic resin, a metal, or the like can be used.

  In the present embodiment, the string 3 is inserted into the third through hole 33 of the connector 4 from one end side of the string 3 to the other end side of the string 3 and then the square bottom bag 2. After the first through hole 16 is inserted from the front surface portion 11 side to the rear surface portion 12 side, the second through hole 17 is inserted from the rear surface portion 12 side to the front surface portion 11 side, Four fourth through holes 34 are inserted. A retaining portion 18 is provided near the one end of the cord 3, and a retaining portion 19 is provided near the other end of the cord 3.

  In the present embodiment, specifically, as shown in FIG. 1, the third through hole 33 of the connector 4 is formed from one end side of the cord 3 to the other end side of the cord 3. After the insertion, the hole 16a in the front surface portion 11 → the hole 16b in the right side portion 13 → the hole 16c in the right side portion 13 → the hole 16d in the rear surface portion 12 → the hole 17d in the rear surface portion 12 → the hole 17c in the left side portion 14 → These holes are sequentially inserted in the path of the hole 17b → the hole 17a of the front surface portion 11 → the fourth through hole 34 of the connector 4. The retaining portion 18 in the vicinity of the one end portion of the cord 3 is located on the opposite side of the front surface portion 11 with respect to the fourth through hole 34 of the connector 4, and the one end portion of the cord 3 is the fourth end portion. Is prevented from coming out from the through hole 34 toward the front face 11 side. The retaining portion 19 near the other end of the cord 3 is located on the opposite side of the front surface portion 11 with respect to the third through hole 33 of the connector 4, and the other end of the cord 3 is the third end. Is prevented from coming out from the through hole 33 toward the front face 11 side.

  In the present embodiment, bar stoppers such as those disclosed in Japanese Patent No. 2979120 and Japanese Patent No. 2979121 are used as the retaining portions 18 and 19, for example. When the string 3 having bar-shaped stoppers provided in the vicinity of both ends is inserted into the first and second through holes 16, 17 and the third and fourth through holes 33, 34, the bar-shaped stopper is inclined. The through holes 16, 17, 33, 34 can be passed through, and after passing through the through holes 16, 17, 33, 34, the width of the bar-shaped stopper is the diameter of the through holes 16, 17, 33, 34. Therefore, the bar-shaped stopper does not pass through the through holes 16 and 17. However, the retaining portions 18 and 19 are not limited to such bar-shaped stoppers, and may be, for example, knots of the string 3.

  The material of the string 3 is not limited at all, and the string 3 may be a knitted string or other string. Furthermore, the cross-sectional shape of the string 3 is not necessarily limited to a circle or the like, and the string 3 may be, for example, a ribbon-shaped string.

  According to the present embodiment, the connector 4 is used, and the string 3 is inserted into the first to fourth through holes 16, 17, 33, 34 as described above, and is near one end of the string 3. Since the retaining portions 18 and 19 are provided in the vicinity of the other end, an arbitrary article (in the example shown in FIGS. 3 and 4, a bottle 100 such as a wine bottle) is accommodated in the square bottom bag 2. As shown in FIG. 3 and FIG. 4, the user can put the article and lift it with a string 3 or hang it on the shoulder. The opening 2a is closed.

  FIG. 3 shows a state in which the string 3 is held in a double state. FIG. 4 shows a state in which the string 3 is placed in a single state and hung on the shoulder. In the present embodiment, the length of the string 3 is set to a length suitable for hanging on the shoulder in the state shown in FIG. The string 3 is too long to be handed in the single state shown in FIG. 4, but the length of the double state string 3 shown in FIG. 3 is a length suitable for handing.

  According to the present embodiment, since the opening 2a of the square bottom bag 2 is closed in this way, the opening 2a of the square bottom bag 2 can be easily closed when carrying the stringed bag body 1. Moreover, according to this Embodiment, since the string 3 is provided, it becomes convenient for carrying around.

  In the present embodiment, although the connector 4 is required, only one string 3 is required, and the square bag 2 has a special structure other than the first and second through holes 16 and 17. Therefore, the structure is simple and inexpensive.

  Moreover, according to this Embodiment, since the string 3 is penetrated also in the collar part of the side parts 13 and 14 of the square bottom bag 2, the opening part 2a of the square bottom bag 2 can be closed more reliably.

  Furthermore, according to the present embodiment, one end of the cord 3 is prevented from coming off with respect to the fourth through hole 34 of the connector 4, while the one end of the cord 3 is provided with the fourth through hole. 34, and the other end of the string 3 is prevented from coming out of the third through hole 33 of the connector 4, while the other end of the string is connected to the third through hole 33. Can be paid out. In the present embodiment, the one end and the other end of the cord 3 are connected while having such a degree of freedom. For example, as shown in FIG. Various usage methods are possible, such as being able to hang or as shown in FIG.

  And in this Embodiment, the sheet | seat which comprises at least one part of the said trunk | drum of the square bottom bag 2 contains the paper which has a vegetable fiber. Examples of such sheets include sheets 41, 51, 61, 71, 81 shown in FIGS. 8 to 12, respectively. 8 to 12 are schematic cross-sectional views schematically showing examples of the layer structure of the sheet constituting the square bottom bag 2 constituting the stringed bag body 1 shown in FIG.

  A sheet 41 shown in FIG. 8 includes a resin film 42, polyethylene 43, paper 44 having vegetable fibers, polyethylene 45, and a sealant resin film 46 that are laminated in order from the outside of the square bottom bag 2. As the resin film 42, a film having water resistance is used, and specifically, for example, a film of polyester, polypropylene, or nylon is used. The polyethylene 43, 45 is used as, for example, an extrusion laminate resin. As the paper 44, for example, kraft paper or coated paper is used. As the sealant resin film 46, a resin film having water resistance and heat-welding properties (heat sealability) is used, and specifically, for example, a film such as polyethylene or polypropylene is used.

  A sheet 51 shown in FIG. 9 includes a resin film 52, an adhesive 53, paper 54 having vegetable fibers, an adhesive 55, and a sealant resin film 56, which are sequentially stacked from the outside of the square bottom bag 2. As the resin film 42, a film having water resistance is used, and for example, a film of polyester, polypropylene, or nylon is used. As the adhesives 53 and 55, for example, a non-solvent laminate adhesive is used. As the paper 54, for example, craft paper or coated paper is used. As the sealant resin film 56, a resin film having water resistance and heat-welding property is used, and specifically, a film such as polyethylene or polypropylene is used.

  A sheet 61 shown in FIG. 10 includes a varnish 62, a paper 63 having vegetable fibers, an adhesive 64, and a sealant resin film 65, which are sequentially laminated from the outside of the square bottom bag 2. As the varnish 62, a varnish having water repellency by having water repellency is used, and it is formed, for example, by printing. As the paper 63, for example, craft paper or coated paper is used. As the adhesive 64, for example, a non-solvent laminate adhesive is used. As the sealant resin film 65, a resin film having water resistance and heat welding property is used. Specifically, for example, a film of polyethylene or polypropylene is used.

  A sheet 71 shown in FIG. 11 includes a water-resistant paper 72 including a paper having a vegetable fiber, an adhesive 73, and a sealant resin film 74, which are sequentially laminated from the outside of the square bottom bag 2. As the water resistant paper 72, for example, a known water resistant paper is used. For example, a non-solvent laminate adhesive is used as the adhesive 73. As the sealant resin film 74, a resin film having water resistance and heat-welding property is used, and specifically, a film such as polyethylene or polypropylene is used. Alternatively, as the sealant resin film 74, a biodegradable resin film having water resistance and heat welding property may be used.

  A sheet 81 shown in FIG. 12 includes a biodegradable resin film 82, an adhesive 83, a paper 84 having vegetable fibers, an adhesive 85, and a biodegradable resin film 86 that are laminated in order from the outside of the square bottom bag 2. Yes. As the biodegradable resin film 82, a known biodegradable resin film having water resistance is used. As the adhesives 83 and 85, for example, a non-solvent laminate adhesive is used. As the paper 84, for example, craft paper or coated paper is used. As the biodegradable resin film 86, a known biodegradable resin film having water resistance and heat welding properties is used.

  In the present embodiment, for example, any one of the sheets 41, 51, 61, 71, 81 is used as each of the front surface portion 11, the rear surface portion 12, the right side portion 13, the left side portion 14, and the bottom portion 15. . In this case, the front part 11, the rear part 12, the right part 13, the left part 14, and the bottom part 15 may be sheets having the same layer structure, or the front part 11, the rear part 12, the right part 13, and the left part. Part of the part 14 and the bottom part 15 may be a sheet having a different layer structure from the other part.

  In the present embodiment, all of the front surface portion 11, the rear surface portion 12, the right side portion 13, the left side portion 14, and the bottom portion 15 need not be any of the sheets 41, 51, 61, 71, 81. For example, any one of the front surface portion 11, the rear surface portion 12, the right side portion 13, and the left side portion 14 is constituted by any one of the sheets 41, 51, 61, 71, 81, and the rear surface portion 12, The remainder of the right side portion 13 and the left side portion 14 and the bottom portion 15 may be formed of a sheet that does not include paper having plant fibers, but whose inner and outer surfaces are water resistant.

  For example, the front surface portion 11, the rear surface portion 12, and the bottom portion 15 are formed of any one of the sheets 41, 51, 61, 71, and 81, and the right side portion 13 and the left side portion 14 include paper having plant fibers. Although not provided, the inner and outer surfaces may be made of a transparent sheet having water resistance.

  As an example of the transparent sheet, a transparent sheet composed of a polyester film, a polyethylene layer (corresponding to an adhesive layer made of melted polyethylene) and a polyethylene film, which are sequentially laminated from the outside of the square bottom bag 2, can be given. The inner polyethylene corresponds to a water-resistant sealant resin film. Here, as the sealant resin film having water resistance, CP (unstretched film made of polypropylene) may be used instead of the polyethylene film.

  As another example of the transparent sheet, a transparent sheet composed of a polyester film, an adhesive (dry laminate) and a polyethylene film (corresponding to a water-resistant sealant resin film) laminated in order from the outside of the square bottom bag 2, Can be mentioned. Here, as the sealant resin film having water resistance, CP may be used instead of the polyethylene film.

  As still another example of the transparent sheet, a transparent sheet composed of a nylon film, an adhesive (dry laminate), and a polyethylene film (corresponding to a water-resistant sealant resin film) laminated in order from the outside of the square bottom bag 2. Can be mentioned. Here, as the sealant resin film having water resistance, CP may be used instead of the polyethylene film.

  As still another example of the transparent sheet, a nylon film, a polyethylene layer (corresponding to an adhesive layer made of melted polyethylene) and a polyethylene film (corresponding to a water-resistant sealant resin film) laminated in order from the outside of the square bottom bag 2 The transparent sheet comprised by this can be mentioned. Here, as the sealant resin film having water resistance, CP may be used instead of the polyethylene film.

  As still another example of the transparent sheet, OP (biaxially stretched film (OPP film) made of polypropylene as a raw material), adhesive (dry laminate), and polyethylene film (water resistance) laminated in order from the outside of the square bottom bag 2 And a transparent sheet composed of a sealant resin film having). Here, as the sealant resin film having water resistance, CP may be used instead of the polyethylene film.

  As still another example of the transparent sheet, OP, a polyethylene layer (corresponding to an adhesive layer made of molten polyethylene) and a polyethylene film (corresponding to a water-resistant sealant resin film) laminated in order from the outside of the square bottom bag 2 The constructed transparent sheet can be mentioned. Here, as the sealant resin film having water resistance, CP may be used instead of the polyethylene film.

  The square-bottom bag 2 of the bag body 1 with a string according to the present embodiment has a trunk portion that is open at one end and a bottom portion 15 that closes the other end of the trunk portion, has an inner surface that is water resistant, and is self-supporting. Since it is a bag body having properties, it does not leak even if water is put into the square bottom bag 2, and not only stores and carries articles such as bottles 100 such as wine bottles, but also bottles containing beverages such as wine bottles. Or it can use as an ice cooler bag which cools the said articles | goods by putting articles | goods, such as a can, water, and ice inside. And when the square bottom bag 2 of the bag body 1 with the string according to the present embodiment is used as an ice cooler bag, it forms condensation on the outer surface, but the outer surface has water resistance. The strength of the bottom bag 2 does not decrease.

  If the sheet which comprises the square bottom bag 2 is comprised only with resin, in order to ensure the independence of the square bottom bag 2, the thickness of a sheet | seat must be made very thick, and a cost increase cannot be avoided. At the same time, even if the square bottom bag 2 is stored or transported before use, it becomes strong, and it is not so thin that it cannot be efficiently stored or transported.

  On the other hand, in the square bottom bag 2 according to the present embodiment, the sheet constituting at least a part of the trunk includes paper having plant fibers, so the paper is strong even if it is thin compared to the resin. The self-supporting property of the bag can be ensured while making the sheet thin. Therefore, according to the present embodiment, it is possible to reduce the cost, and even when trying to fold and store the square bottom bag 2 before use, it is not so strong and becomes relatively thin. The storage and transportation can be performed efficiently.

  From the above, according to the present embodiment, a bag body having a sheet structure suitable for use as an ice cooler bag or the like that cools an article such as a beverage bottle or can, water, and ice by putting the article inside. Can be provided.

  In addition, the use of the square bottom bag 2 by this Embodiment is not necessarily limited to an ice cooler bag, You may use for the use which utilizes the characteristic that water does not leak, for example, uses, such as a vase and a planter.

  In the present invention, the square-bottom bag 2 according to the present embodiment is deformed to have a barrel portion having one end opened and a bottom portion 15 closing the other end of the barrel portion, and the inner surface is a waterproof body. And as a sheet | seat which comprises at least one part of the said trunk | drum, you may obtain the bag body using the sheet | seat 91 shown in FIG. In this case, for example, all or one or more of the front part 11, the rear part 12, the right part 13, the left part 14 and the bottom part 15 (of the front part 11, the rear part 12, the right part 13 and the left part 14). Including at least one) may be configured by a sheet 91 shown in FIG.

  FIG. 13 is a schematic cross-sectional view schematically showing still another example of the layer structure of the sheet constituting the square bottom bag 2 constituting the stringed bag body 1 shown in FIG. A sheet 91 shown in FIG. 13 includes a paper 92 having vegetable fibers, an adhesive 93, and a biodegradable resin film 94, which are sequentially laminated from the outside of the square bottom bag 2. As the paper 92, for example, craft paper or coated paper is used. For example, a non-solvent laminate adhesive is used as the adhesive 93. As the biodegradable resin film 94, a known biodegradable resin film having water resistance and heat welding properties is used.

  In this modified example, since the paper 92 exists on the outer surface of the sheet 91, the outer surface may not have water resistance. Therefore, when used as an ice cooler bag, the strength of the square bottom bag 2 due to condensation may be reduced. Although there is a characteristic, the same advantages as those of the square bottom bag 2 according to the present embodiment can be obtained in other respects. Moreover, in this modification, since the said sheet | seat is comprised using the biodegradable resin film 94, when discarding, the burden on a natural environment decreases.

  In the present invention, the connector 101 shown in FIG. 14 may be used in place of the connector 4 in the corded bag body 1 according to the present embodiment. FIG. 14A is a front view showing the connector 101. FIG. 14B is a cross-sectional view taken along line B-B ′ in FIG. FIG. 14C is a front view showing a connected state between both ends of the string 3 by the connecting tool 101.

  The connection tool 101 is different from the connection tool 4 in the connection tool 101. The third through hole 33 and the fourth through hole 34 in the connection tool 4 are also used as one through hole 102, and the connection tool 101 is ring-shaped. This is a member. Even if the connector 101 is used, the same advantages as when the connector 4 is used can be obtained. In addition, the connector 101 only needs to have one through hole 102. Compared to the case where a total of two through holes are formed in the connecting tool 4 with the through holes 33 and 34 as separate through holes, the structure of the connecting tool 101 is simplified. Moreover, since the connector 101 is comprised by the ring-shaped member, the structure of the connector 101 becomes simpler and cheaper.

  As mentioned above, although embodiment of this invention and its modification were demonstrated, this invention is not limited to these.

DESCRIPTION OF SYMBOLS 1 Bag body with string 2 Square bottom bag 2a Opening part 3 String 11 Front surface part 12 Rear surface part 13 Right side part 14 Left side part 15 Bottom part

Claims (12)

A bag body having one end opened and a bottom portion closing the other end of the body portion, the inner surface and the outer surface are water-resistant, and are self-supporting bags,
The sheet | seat which comprises at least one part of the said trunk | drum contains the paper which has a vegetable fiber.   The bag according to claim 1, wherein the sheet is composed of a resin film, polyethylene, the paper, polyethylene, and a sealant resin film, which are sequentially laminated from the outside.   The bag according to claim 1, wherein the sheet is composed of a resin film, an adhesive, the paper, an adhesive, and a sealant resin film laminated in order from the outside.   The bag according to claim 1, wherein the sheet is composed of varnish, the paper, an adhesive, and a sealant resin film, which are laminated in order from the outside.   2. The bag according to claim 1, wherein the sheet is composed of water-resistant paper including the paper, an adhesive, and a sealant resin film, which are sequentially laminated from the outside.   The bag according to claim 1, wherein the sheet is composed of a biodegradable resin film, an adhesive, the paper, an adhesive, and a biodegradable resin film, which are sequentially laminated from the outside. A bag having one end opened to the body and a bottom to close the other end of the body, the inner surface being water-resistant,
The sheet | seat which comprises the sheet | seat which comprises at least one part of the said trunk | drum from the outer side, the paper which has a vegetable fiber, the adhesive agent, and the biodegradable resin film characterized by the above-mentioned.   The bag body according to any one of claims 1 to 7, wherein the bag body is used as an ice cooler bag for cooling an article such as a drink bottle or a can, and water and ice.   A bag body with a string, comprising: the bag body according to any one of claims 1 to 8; and a string attached to the one end side of the body portion. When the bag body is flattened so that the opening of the one end of the trunk portion is closed, first and second through holes penetrating front and back in the opening portion side portion of the trunk portion are the one end. Spaced apart from each other in the direction along
A connector having third and fourth through holes;
The string extends from one end side of the string to the other end side of the string, and then passes through the third through hole and then passes the first through hole from one side of the front and back to the other side. After passing through the second through hole, the second through hole is inserted from the other side of the front and back to the one side, and further through the fourth through hole,
Retaining portions are provided near the one end and the other end of the string,
The third and fourth through holes are combined with one through hole,
The stringed bag according to claim 9. A bag body having an opening at the upper end, a string attached to the bag body, and a connector;
When the bag is flattened so that the opening is closed, first and second through holes penetrating front and back in the opening side portion of the bag are mutually in a direction along the upper end. Provided at intervals,
The connector has third and fourth through holes,
The string extends from one end side of the string to the other end side of the string, and then passes through the third through hole and then passes the first through hole from one side of the front and back to the other side. After passing through the second through hole, the second through hole is inserted from the other side of the front and back to the one side, and further through the fourth through hole,
Retaining portions are provided near the one end and the other end of the string,
The third and fourth through holes are combined with one through hole,
A stringed bag characterized by the above.   The stringed bag according to claim 10 or 11, wherein the connector is a ring-shaped member.

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