WO2024062697A1 - Poche a soufflets - Google Patents

Poche a soufflets Download PDF

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Publication number
WO2024062697A1
WO2024062697A1 PCT/JP2023/021478 JP2023021478W WO2024062697A1 WO 2024062697 A1 WO2024062697 A1 WO 2024062697A1 JP 2023021478 W JP2023021478 W JP 2023021478W WO 2024062697 A1 WO2024062697 A1 WO 2024062697A1
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WO
WIPO (PCT)
Prior art keywords
film
front side
back side
area
gusset
Prior art date
Application number
PCT/JP2023/021478
Other languages
English (en)
Japanese (ja)
Inventor
宏樹 田中
翔大郎 勝田
Original Assignee
東洋製罐株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 東洋製罐株式会社 filed Critical 東洋製罐株式会社
Publication of WO2024062697A1 publication Critical patent/WO2024062697A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D29/00—Sacks or like containers made of fabrics; Flexible containers of open-work, e.g. net-like construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/06—Handles
    • B65D33/08—Hand holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/06—Handles
    • B65D33/10—Handles formed of similar material to that used for the bag

Definitions

  • the present invention relates to a gusseted pouch that includes a first gusset film that is thermally welded to a front side film and a back side film by a first side seal.
  • Patent Document 1 a gusset film provided with a first gusset film that is thermally welded to a front side film and a back side film by a first side seal in Patent Document 1 as a container for storing contents such as drinking water or liquid detergent.
  • Patent Document 1 a container for storing contents such as drinking water or liquid detergent.
  • the present invention is intended to solve these problems, and aims to provide a gusseted pouch that has a simple structure and maintains smooth pouring of the contents.
  • the present invention includes a front side film, a back side film facing the front side film in the front and back directions with a content storage section in between, and a first gusset film that is thermally welded to the front side film and the back side film by a first side seal.
  • a gusseted pouch comprising a handle portion for a user to hold the pouch, the first gusset film having a first front side seal area heat welded to the front side film, and a first front side sealing area heat welded to the back side film.
  • the first gusset film has a a first front side portion located on the front side of the region in the front and back direction; and a first back side portion located on the back side of the first non-sealing region in the front and back direction, the first front side portion and the first back side.
  • a handle portion is provided on both the first front side portion and the first back side portion of the first gusset film.
  • the handle portion provided on the first front side portion and the first back side portion is formed on a portion located on the side of the first base edge in the front and back direction. By doing so, it is possible to more reliably cause the first front side portion and the first back side portion held by the user to move toward each other as the contents are poured out.
  • the handle portion is formed as a through hole that is formed in the first front side portion and the first back side portion in the film thickness direction. The structure can be simplified and the pouch structure can be prevented from becoming complicated.
  • the first gusset film is formed with the first film folded portion in which the first gusset film is folded in a valley-fold shape toward the inside of the pouch, so that the contents can be As pouring progresses, the degree of bending of the first gusset film can be gradually increased so that the first front side portion and the first back side portion on both sides can smoothly approach each other.
  • the volume of the accommodating portion can be smoothly reduced.
  • the inner film includes an inner film folded part in which the inner film is folded in a valley-fold shape toward the second storage area, and a film formed on the inner film folded part. It has a penetration part.
  • the spout is attached to the second non-sealing area of the second gusset film, when the contents are poured out, on the first gusset film side, the front side film and the back side While the gap between the films narrows, on the second gusset film side, the spout is installed to prevent the gap between the front side film and the back side film from narrowing. Since the weight of the contents is well balanced when the pouch is lifted using the handles on both sides, pouring operations can be performed stably.
  • FIG. 1 is a perspective view showing a gusseted pouch according to an embodiment of the present invention.
  • FIG. 2 is an explanatory diagram showing each film that constitutes the pouch body. An explanatory diagram showing a first gusset film. An explanatory diagram showing a second gusset film. An explanatory diagram showing an example of how a gusseted pouch is used. Explanatory diagram showing a modification of the gusseted pouch.
  • the gusseted pouch 10 accommodates various liquid contents such as herbicides, drinking water, liquid detergent, etc.
  • the pouch 10 has flexible films 30 and 40 , 50, and 60 are thermally welded to form a bag-making seal part to form a pouch body 20, and an inner film 70 disposed within the pouch body 20 (content storage part 21). It has a spout 80 attached to the pouch body 20.
  • the pouch main body 20 is configured as a so-called horizontal gusset type pouch with gussets formed on both sides, and as shown in FIGS. 1 and 2, the pouch body 20 is arranged facing each other in the front and back direction a first side film 30 and a back side film 40 that are disposed between the front side film 30 and the back side film 40 on one of the sides of the pouch and thermally welded to the front side film 30 and the back side film 40 by the first side seal 22;
  • the gusset film 50 is arranged opposite to the first gusset film 50 in the front-rear direction Z with the content storage section 21 in between, and heat is applied to the front side film 30 and the back side film 40 by the second side seal 23 on the other side of the pouch. It has a second gusset film 60 to be welded.
  • Each of the films 30, 40, 50, 60, and 70 is formed as a resin film having a heat-welding layer on at least one side thereof, and is arranged so that the heat-welding layers face each other at the locations where they are heat-welded to each other. .
  • each heat welding area of each film 30, 40, 50, 60, and 70 is represented by filling out.
  • the pouch main body 20 includes a first side seal 22 which is heat-welded to the films 30 and 40 on both sides of a first gusset film 50 in the lateral direction, and a second gusset film 60 in the lateral direction.
  • a second side seal 23 whose both sides are thermally welded to the films 30 and 40, and a bottom seal 25 between the first side seal 22 and second side seal 23 in the front-rear direction Z, with the content storage section 21 in between.
  • the top seal 24 and the bottom seal 25 can be directly heat-sealed between the films 30 and 40 to form a portion where the films 30 and 40 are fixed.
  • an inner film 70 is interposed between the films 30, 40, and the films 30, 40 are fixed by heat welding. If the gusseted pouch 10 is formed without providing the inner film 70, the top seal 24 and the bottom seal 25 are only the portions where the films 30 and 40 are fixed by direct heat welding between the films 30 and 40. It consists of
  • the first gusset film 50 has a first front side seal area 51 which is heat welded to the front film 30 at the first side seal 22 and a first front side seal area 51 which is heat welded to the back side film 40 at the first side seal 22. It has a first back side sealed area 52 and a first non-sealed area 53 which is an area inside the first front side sealed area 51 and first back side sealed area 52.
  • the first non-seal area 53 has a first outer edge 54 on the front side which is the boundary with the first front side seal area 51 and a first outer edge 55 on the back side which is the boundary with the first back seal area 52.
  • the first gusset film 50 is formed to be line symmetrical (left-right symmetrical) with respect to an imaginary line extending from the center of the front-back direction X of the first gusset film 50 along the up-down direction Y; in other words, the first front-side outer edge 54 and The first back side outer edge 55 is formed to be line symmetrical (left-right symmetrical) with respect to the virtual line.
  • the first front side outer edge 54 and the first back side outer edge 55 are composed of first base edges 54a, 55a which are spaced apart from each other in the front and back direction X, and first base edges 54a, 55a.
  • First lower side inclined edges 54b, 55b extending from the lower end to the first lower end connecting part 53a connecting the lower ends of the first front side outer edge 54 and the first back side outer edge 55, and the upper ends of the first base edges 54a, 55a.
  • It has first upper inclined edges 54c and 55c extending to a first upper end connecting portion 53b connecting the upper ends of the first outer edge 54 and the outer edge 55 of the first front side and the first back side outer edge 55, respectively.
  • the first base edges 54a, 55a are formed to extend linearly along the up-down direction Y, as shown in FIG.
  • the first lower side inclined edges 54b, 55b are inclined in the vertical direction Y so as to be closer to the inner side in the front and back direction X (in this embodiment, at an inclination angle of 45°) as they go downward. It extends in a straight line.
  • the first upper side inclined edges 54c, 55c are inclined in the vertical direction Y so as to become closer to the inside in the front and back direction X (in this embodiment, at an inclination angle of 45°). It extends in a straight line.
  • the first gusset film 50 includes a first front side portion 56 located on the front side of the first non-sealing area 53 in the front and back direction , and a first back side side portion 57 located on the back side of the first non-sealing area in the front and back direction X (on the back side of the first back side outer edge 55 in the front and back direction X).
  • the first front and back side portions 56 and 57 have heat welded parts 56a and 57a that are heat welded to the films 30 and 40, and heat welded parts 56a and 57a that are heat welded to the films 30 and 40, as shown in FIG.
  • the unheated welded parts 56b and 57b are sandwiched between the heat welded parts 56a and 57a in the front and back direction X.
  • a first front side portion 56 (specifically, a portion where the first front side portion 56 and the front film 30 are overlapped) and a first back side portion 57 (specifically, a first back side portion 57).
  • handle portions 27 (a first handle portion 27a, a second handle portion 27b), which will be described later, are respectively provided on the portion where the back side film 40 is overlapped.
  • the first gusset film 50 is arranged between the first front side portion 56 and the first back side portion 57 so that the center of the first gusset film 50 in the front and back direction X is aligned in the vertical direction Y.
  • the second gusset film 60 includes a second front seal area 61 that is heat welded to the front film 30 at the second side seal 23 and a second front seal area 61 that is heat welded to the back film 40 at the second side seal 23. It has a second back side sealed area 62 and a second non-sealed area 63 which is an area inside the second front side sealed area 61 and the second back side sealed area 62.
  • the second non-sealed area 63 has a second front side outer edge 64 which is the boundary with the second front side sealed area 61 and a second back side outer edge 65 which is the boundary with the second back side sealed area 62.
  • the second gusset film 60 is formed line-symmetrically (left-right symmetrical) with respect to an imaginary line extending from the center of the front-back direction X of the second gusset film 60 along the up-down direction Y; in other words, the second front-side outer edge 64 and The second back side outer edge 65 is formed to be line symmetrical (left-right symmetrical) with respect to the virtual line.
  • the second front side outer edge 64 and the second back side outer edge 65 are, as shown in FIG. Second lower side inclined edges 64b, 65b extending from the lower end to a second lower end connecting part 63a connecting the lower ends of the second front side outer edge 64 and the second back side outer edge 65, and from the upper end of the second base edge 64a, 65a. It has second upper inclined edges 64c and 65c that extend to a second upper end connecting portion 63b that connects the upper ends of the second front outer edge 64 and the second back outer edge 65, respectively.
  • the second base edges 64a, 65a are formed to extend linearly along the up-down direction Y, as shown in FIG.
  • the second lower side inclined edges 64b, 65b are inclined in the up-down direction Y so as to be closer to the inside in the front-back direction X as they go downward (at an inclination angle of 45° in this embodiment). It extends in a straight line.
  • the second upper side inclined edges 64c, 65c extend in a straight line and are inclined in the up-down direction Y so as to be closer to the inside in the front-back direction X as they go upward.
  • the second gusset film 60 (the second non-sealing area 63 thereof) has a flange facing area 66 where the flange of the spout 80 is arranged to face, as shown in FIG.
  • the flange facing region 66 is formed in an annular shape having a circular outer peripheral edge.
  • the second gusset film 60 has a circular spout through hole 67 formed to penetrate in the film thickness direction and into which the spouting cylinder portion of the spout 80 is inserted.
  • the spout 80 is made of synthetic resin or the like, and is attached to the second gusset film 60 (second non-sealed area 63 of the pouch body 20) to function as a spout for the contents.
  • a flange disposed opposite to the second non-sealing area 63; a spouting cylinder extending perpendicularly to the disc-shaped flange and having a spouting hole formed therein; It has an attachable cap.
  • the flange of the spout 80 is formed as a disc-shaped (annular) part with a through hole formed in the center and a circular outer peripheral edge (flange outer peripheral edge), and is arranged inside the pouch body 20. At least a portion of the second gusset film 60 is fixed to the inner surface of the second gusset film 60 by heat welding.
  • FIG. It is disposed to face a region between the upper side inclined edge 64c and the second upper side inclined edge 65c of the second back side outer edge 65.
  • the dispensing cylinder part of the spout 80 attached to the above area is disposed in the vertical direction Y when viewed in the front and back direction X, as can be seen from FIG.
  • the pouch body 20 is inclined toward the outside of the pouch body 20 in the front-back direction Z as it goes upward.
  • the inner film 70 is formed as a rectangular (or nearly rectangular) flexible resin film having a heat-welding layer on at least one side thereof, and is folded in two as shown in FIGS. 2 and 5. It is placed in the pouch main body 20 (content storage section 21) in this state, and its predetermined locations are thermally welded to the films 30 and 40. As shown in FIG. 2, the inner film 70 has a front side fixing part 71 fixed to the inner surface of the front film 30 by heat welding, and a back side fixing part 72 fixed to the inner surface of the back film 40 by heat welding. have. In addition, as shown in FIGS.
  • the inner film 70 is arranged between the front side fixing part 71 and the back side fixing part 72 so that the center of the inner film 70 in the front and back direction X is aligned with an imaginary line extending along the vertical direction Y.
  • an inner film folding part 73 in which the inner film 70 is folded in two in a valley-fold shape toward the second storage area 21b (to be described later) (a folding process is performed to maintain the folded state). are doing.
  • the inner film 70 has a plurality of film penetration parts 74 formed in the shape of holes penetrating in the film thickness direction, and at least one of the film penetration parts 74 is , are formed on the inner film bent portion 73.
  • the liquid content storage section 21 has a first storage area 21a and a second storage area 21b partitioned by an inner film 70, as shown in FIG.
  • the first gusset film 50 functions as a side wall constituting the first accommodation area 21a, and the spout 80 is attached to a location that (directly) communicates with the second accommodation area 21b. has been done.
  • the gusseted pouch 10 is provided with a plurality of handles 27 for the user to hold the pouch, and in this embodiment, the plurality of handles 27 are As shown in FIGS. 1 and 2, it includes a first handle part 27a and a second handle part 27b.
  • the first handle portion 27a is connected to a first front side portion 56 of the first gusset film 50 (specifically, a portion where the first front side portion 56 and the front side film 30 are overlapped). , are respectively provided on the first back side portion 57 of the first gusset film 50 (specifically, the portion where the first back side portion 57 and the back side film 40 are overlapped). More specifically, as shown in FIG. It is formed on the front or back side of the Further, as shown in FIG. 3, the first handle portion 27a is formed across the thermally welded portions 56a, 57a and the unheated welded portions 56b, 57b of the first front side/backside side portions 56, 57. Further, as shown in FIG.
  • the first handle portions 27a on both the front and back sides are line symmetrical (left-right symmetrical) with respect to an imaginary line extending from the center of the front and back direction X of the first gusset film 50 along the up-down direction Y. It is formed.
  • the second handle portion 27b is connected to the first front side portion 56 of the first gusset film 50 (specifically, the portion where the first front side portion 56 and the front film 30 are overlapped). , are respectively provided on the first back side portion 57 of the first gusset film 50 (specifically, the portion where the first back side portion 57 and the back side film 40 are overlapped). More specifically, at least a portion (a portion in this embodiment) of the second handle portion 27b is located between the front and back surfaces of the first upper inclined edges 54c and 55c of the first front side portion 56, as shown in FIG. The second handle portion 27b is formed on a portion located on the front side or the back side in the direction X, and as shown in FIG.
  • the second handle portions 27b on both the front and back sides are line symmetrical (left-right symmetrical) with respect to an imaginary line extending from the center of the first gusset film 50 in the front and back direction X along the up-down direction Y. It is formed.
  • the handle portions 27a, 27b are connected to the first front/back side portions 56, 57 (specifically, the first front/back side portions 56, 57 and the film), as shown in FIGS. 1 and 2.
  • 30 and 40 is formed as a through hole that penetrates in the film thickness direction.
  • the handle portion 27 is shown as being formed without heat welding between the films 30, 40, and 50, but in this embodiment, After thermally welding each film 30, 40, and 50, the handle portion 27 is formed by punching at a predetermined location.
  • the first gusset film 50 is partially removed in the control fixing section 28 and the films 30 and 40 are thermally welded. Any material may be used, such as one using resin.
  • the handle portions 27 (27a) provided on the first front side portion 56 and the first back side portion 57 are located on the front and back sides of the first base edge portions 54a, 55a.
  • the handle portion 27 (27a) provided on the first front side portion 56 is formed on the front side in the direction X of the first base edge 54a.
  • At least a portion of the handle portion 27 (27a) provided on the first back side portion 57 is formed on a portion located on the back side of the first base edge 55a in the front and back direction X. ing).
  • the first gusset film 50 has a first film fold 58 formed by folding the first gusset film 50 in a valley fold shape toward the inside of the pouch.
  • the degree of folding of the first gusset film 50 can be gradually increased as the pouring of the contents progresses, allowing the first front side portion 56 and the first back side portion 57 on both sides to smoothly approach each other, thereby allowing the volume of the content storage section 21 to be smoothly reduced.
  • an inner film folding part 73 in which the inner film 70 is folded in a valley-fold shape toward the second storage area 21b side where the spout 80 is connected and attached; It has a film penetration part 74 formed on the inner film bending part 73.
  • the degree of bending of the inner film 70 is increased, and the side surface of the inner film 70 on the first storage area 21a side is bent as the content is poured out. Since it can function as a guide for guiding from the first storage area 21a side to the second storage area 21b side, it is possible to suppress the contents from remaining in the first storage area 21a.
  • the contents can be poured out as shown in FIG. 5(b).
  • the gap between the front side film 30 and the back side film 40 narrows, whereas on the second gusset film 60 side, the front side film 30 is narrowed due to the spout 80 being attached.
  • the gap between the back side films 40 is prevented from narrowing, the weight balance of the contents is improved when the pouch is lifted using the handles 27 on both sides of the first gusset film 50. , it is possible to perform pouring work stably.
  • the gusseted pouch 10 may be operated while being housed in an outer case (not shown) during use, display, or transportation, or may be operated without being housed in an outer case (not shown).
  • the gusseted pouch 10 itself may be used or displayed or transported.
  • each of the films 30, 40, 50, 60, and 70 at least one side is coated with a heat-fusible layer made of olefin-based material such as low-density polyethylene or polypropylene, or polyester-based material such as PET (polyethylene terephthalate).
  • a heat-fusible layer made of olefin-based material such as low-density polyethylene or polypropylene, or polyester-based material such as PET (polyethylene terephthalate).
  • PET polyethylene terephthalate
  • Any layer may be laminated on a single heat-welding layer or on a heat-welding layer as long as it has the following properties.
  • the laminated material may be any material, and may be formed by laminating known polyesters such as PET and PBT (polybutylene terephthalate), polyamides such as nylon, polyolefins such as polypropylene and polyethylene, aluminum foil, etc. good.
  • the pouch body 20 was explained as being formed from four films 30, 40, 50, and 60, but the number of films constituting the pouch body 20, etc.
  • the specific aspect of the main body 20 is not limited to the above, and for example, a bottom gusset film may be separately provided at a position corresponding to the pouch bottom 20a.
  • the gusseted pouch 10 may be configured as a gusseted pouch provided with only the first gusset film 50 without providing the second gusset film 60. Further, the inner film 70 may not be provided.
  • the gusseted pouch 10 is configured as a large capacity pouch with a capacity of 2 to 5 L
  • the spout 80 is also configured as a large spout with an outer diameter of the flange of 50 to 70 mm.
  • the sizes of the gusseted pouch 10 and the spout 80 are not limited to these, and may be arbitrarily set according to the embodiment.
  • first front outer edge 54 and the first back outer edge 55 are described as being formed in line symmetry (bilateral symmetry) with respect to a virtual line extending along the up-down direction Y through the center of the first gusset film 50 in the front-back direction X.
  • first front outer edge 54 and the first back outer edge 55 may be formed asymmetrically.
  • the second front outer edge 64 and the second back outer edge 65 are described as being formed in line symmetry (bilateral symmetry) with respect to a virtual line extending along the up-down direction Y through the center of the second gusset film 60 in the front-back direction X, but the second front outer edge 64 and the second back outer edge 65 may be formed asymmetrically.
  • the gusseted pouch 10 is described as having the spout 80, but without providing the spout 80, at least a part of the films 30, 40, 50 is cut with scissors or the like. It may be configured to form a pouring opening for pouring out the contents in the contents storage section 21.
  • the flange is described as having a disk shape with a circular outer periphery. Any type of material may be used, such as one having an outer peripheral edge (flange outer peripheral edge). Further, in the above-described embodiment, the flange was described as being fixed to the inner surface of the second gusset film 60, but the flange may be fixed to the outer surface of the second gusset film 60. Furthermore, the flange may be fixed to the second gusset film 60 by any method other than thermal welding, such as adhesion.
  • top gusseted pouch 10
  • bottom gusseted pouch 10
  • side refers to the orientation of the gusseted pouch 10 during display, transportation, etc.
  • the gusseted pouch 10 may be placed on a placement surface with the sides or top of the gusseted pouch 10 facing down during display or transportation.
  • the inclined edges 54b, 54c, 55c, 55b, 64b, 64c, 65c, and 65b were described as being composed of one straight line portion extending obliquely in the vertical direction Y.
  • the specific aspects of the inclined edges 54b, 54c, 55c, 55b, 64b, 64c, 65c, 65b are not limited to the above, but may be formed of at least one straight line part, at least one curved part, or a combination thereof. good.
  • the first front/back side portions 56, 57 were described as including the heat welded portions 56a, 57a and the unheated welded portions 56b, 57b, but the first front/back side portions It is not necessary to form the unheated welded portions 56b, 57b on the first front and back side portions 56, 57.
  • the films 30, 40 may be heat welded over the entire area of the first front and back side portions 56, 57.
  • the handle portion 27 was described as having a through-hole shape for the user to grasp the pouch body 20 through his or her hand or fingers.
  • the specific aspect of the handle portion 27 is The pouch is not limited to the above, but any form suitable for the user to hold the pouch may be used.
  • the handle portion 27 may be formed in the shape of a notch cut out from the outer edge of the film of the first front/back side portions 56, 57 toward the inside of the film; Rather than forming a through hole or a notch in the first front/back side parts 57 , a separate film or the like is fixed to the first front/back side parts 56 , 57 so that the handle part 27 can be attached to the first front/back side parts 56 , 57 . may be provided.
  • the handle portion 27 is formed in the shape of a hole (or in the shape of a wide slit) passing through the films 30, 40, and 50 in the film thickness direction, as shown in FIG. 2 and the like.
  • the specific aspect of the handle portion 27 is not limited to the above, and the handle portion 27 is not limited to the above, but may be a cut-like slit that penetrates the films 30, 40, 50 in the film thickness direction (with respect to the extending direction without material removal).
  • the handle portion 27 may be formed in the form of a slit having no width in the direction orthogonal to the handle portion.
  • the handle part 27 is formed into a hole shape (or a wide slit shape), the visibility of the handle part 27 can be improved, and the position and existence of the handle part 27 can be easily noticed.
  • the handle portion 27 when the handle portion 27 is formed in the shape of a through hole, at least a portion of the handle portion 27 may be formed in the first front side and back side portions 56 and 57.
  • the handle portion 27 (the first handle portion 27a, the second handle portion 27b) includes the heat welded portions 56a, 57a and the unheated welded portion 56b of the first front and back side portions 56, 57, 57b, the entire area of the handle portion 27 (first handle portion 27a, second handle portion 27b) may be formed into the heat welded portions 56a, 57a or the unheated welded portions 56b, 57b. It's okay.
  • first handle part 27a and the second handle part 27b are provided as the handle part 27, but only one of the first handle part 27a and the second handle part 27b is provided. Further, as shown in FIG. 6, another handle portion 27 may be provided at a location other than the handle portions 27a and 27b (in the example shown in FIG. 6, the bottom seal portion 25).
  • Z Front-back direction

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Abstract

La présente invention concerne une poche à soufflets qui maintient un versement régulier d'un contenu.　La poche à soufflets (10) selon l'invention comprend un premier film de soufflet (50) qui est thermosoudé à un film côté avant (30) et un film côté arrière (40) au moyen d'un premier joint latéral (22). Le premier film de soufflet (50) comporte une première portion latérale avant (56) située sur un côté avant d'une première zone non scellée (53) dans la direction avant/arrière et une première portion latérale arrière (57) située sur un côté arrière de la première zone non scellée (53) dans la direction avant/arrière, et des parties de préhension (27) sont disposées sur chacune de la première portion latérale avant (56) et de la première portion latérale arrière (57).
PCT/JP2023/021478 2022-09-21 2023-06-09 Poche a soufflets WO2024062697A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022-150096 2022-09-21
JP2022150096A JP2024044526A (ja) 2022-09-21 2022-09-21 マチ付きパウチ

Publications (1)

Publication Number Publication Date
WO2024062697A1 true WO2024062697A1 (fr) 2024-03-28

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006176138A (ja) * 2004-12-21 2006-07-06 Fuji Seal International Inc パウチ容器
WO2008087357A2 (fr) * 2007-01-03 2008-07-24 Autobar Flexible Packaging Sac a soufflets en matiere plastique pour produits alimentaires
JP2016060516A (ja) * 2014-09-18 2016-04-25 花王株式会社 自立袋および袋詰め商品
JP2017218174A (ja) * 2016-06-06 2017-12-14 凸版印刷株式会社 パウチ
JP6984798B1 (ja) * 2020-04-28 2021-12-22 東洋製罐株式会社 パウチおよび充填方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006176138A (ja) * 2004-12-21 2006-07-06 Fuji Seal International Inc パウチ容器
WO2008087357A2 (fr) * 2007-01-03 2008-07-24 Autobar Flexible Packaging Sac a soufflets en matiere plastique pour produits alimentaires
JP2016060516A (ja) * 2014-09-18 2016-04-25 花王株式会社 自立袋および袋詰め商品
JP2017218174A (ja) * 2016-06-06 2017-12-14 凸版印刷株式会社 パウチ
JP6984798B1 (ja) * 2020-04-28 2021-12-22 東洋製罐株式会社 パウチおよび充填方法

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