EP4105138A1 - Beutel, mit deckel versehener behälter und tube - Google Patents

Beutel, mit deckel versehener behälter und tube Download PDF

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Publication number
EP4105138A1
EP4105138A1 EP21754123.4A EP21754123A EP4105138A1 EP 4105138 A1 EP4105138 A1 EP 4105138A1 EP 21754123 A EP21754123 A EP 21754123A EP 4105138 A1 EP4105138 A1 EP 4105138A1
Authority
EP
European Patent Office
Prior art keywords
packaging material
edge
hole
pouch
region
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP21754123.4A
Other languages
English (en)
French (fr)
Inventor
Shunsuke Furuya
Koki Akutsu
Hideaki Takahashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing Co Ltd
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
Priority claimed from JP2020207037A external-priority patent/JP7112683B2/ja
Application filed by Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Publication of EP4105138A1 publication Critical patent/EP4105138A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/24—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices
    • B65D35/245—Suspension means integral with, or attached to the container
    • 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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/20—External fittings
    • B65D25/22—External fittings for facilitating lifting or suspending of containers
    • 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
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/02—Body 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/008—Standing pouches, i.e. "Standbeutel"
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/54—Cards, coupons, or other inserts or accessories
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/54—Cards, coupons, or other inserts or accessories
    • B65D75/56—Handles or other suspension means
    • B65D75/566—Hand holes or suspension apertures
    • 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
    • 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
    • B65D2575/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D2575/52—Details
    • B65D2575/54—Cards, coupons, or other inserts or accessories
    • B65D2575/56—Handles or other suspension means
    • B65D2575/565—Handles or other suspension means means explicitly used for suspending
    • 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
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10—Container closures formed after filling
    • B65D2577/20—Container closures formed after filling by applying separate lids or covers
    • B65D2577/2025—Multi-layered container, e.g. laminated, coated
    • 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
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10—Container closures formed after filling
    • B65D2577/20—Container closures formed after filling by applying separate lids or covers
    • B65D2577/2075—Lines of weakness or apertures
    • B65D2577/2083—Lines of weakness or apertures in container flange

Definitions

  • the present invention relates to a pouch, a lidded container, and a tube that each include a containment part for containing contents.
  • PTL 1 it is common to provide an upper portion of a pouch with a pre-formed through-hole, and pass a hanging implement such as a hook through the through-hole to hang the pouch on the hanging implement for display.
  • Hanging a plurality of pouches described in PTL 1 on the hanging implement requires an operation that involves first passing the through-hole of each pouch through the distal end portion of the hanging implement, and then moving the pouch along a support of the hanging implement.
  • a pouch having a containment part formed by joining a first packaging material and a second packaging material together, the first packaging material being located at a first face of the pouch, the second packaging material being located at a second face of the pouch.
  • the pouch includes:
  • the first packaging material includes at least one layer located in both the first region and the second region.
  • the second packaging material includes at least one layer located in both the first region and the second region.
  • the hole includes a proximate position where a distance between the hole and the outer edge of the pouch in a center-of-gravity direction is shortest, the center-of-gravity direction being a direction in which a center-of-gravity line passing through a center of the pouch and a center of the hole extends.
  • the communication part is connected with the hole at a position that is spaced apart from the proximate position in a direction orthogonal to the center-of-gravity direction.
  • An outline of the communication part that extends from the hole to the outer edge includes a first line and a second line.
  • the first line is located closer to the proximate position than is the second line.
  • a distance from a first connection point to the outer edge is greater than a distance from the proximate position to the outer edge, the first connection point being a point where the first line is connected with the hole.
  • the outer edge of the pouch includes a first edge where the communication part is located, a second edge that is opposite to the first edge in a first direction, and a third edge and a fourth edge that are located between the first edge and the second edge and extend in a direction intersecting the first direction,
  • the first line and the second line are at least partially in contact with each other.
  • the communication part includes a slit where the first line and the second line are in contact with each other, and a notch located closer to the outer edge than is the slit and where the first line and the second line are not in contact with each other.
  • the first line and the second line are not in contact with each other.
  • the second line includes a curved portion located at a position where the second line is connected with the outer edge.
  • the proximate position and the first connection point have a distance from each other of greater than or equal to 2 mm in the direction orthogonal to the center-of-gravity direction.
  • a specimen cut out from a portion of the second region where the hole is located has a mean flexural rigidity of greater than or equal to 15 [g ⁇ cm 2 /cm] in a machine direction, the specimen including at least the first packaging material and the second packaging material.
  • the second region includes:
  • the reinforcing part includes a reinforcement located between the first packaging material and the second packaging material.
  • a lidded container having a containment part sealed by joining a first packaging material and a second packaging material together, the first packaging material constituting a lid, the second packaging material constituting a container.
  • the lidded container includes:
  • the first packaging material includes at least one layer located in both the first region and the second region.
  • the second packaging material includes at least one layer located in both the first region and the second region.
  • each of the lid and the container includes a first edge where the communication part is located, a second edge that is opposite to the first edge in a first direction, and a third edge and a fourth edge that are located between the first edge and the second edge and extend in a direction intersecting the first direction.
  • the hole includes a proximate position where a distance between the hole and the outer edge of the pouch in a center-of-gravity direction is shortest, the center-of-gravity direction being a direction in which a center-of-gravity line passing through a center of the pouch and a center of the hole extends.
  • the communication part is connected with the hole at a position that is spaced apart from the proximate position in a direction orthogonal to the center-of-gravity direction.
  • An outline of the communication part that extends from the hole to the outer edge includes a first line and a second line.
  • the first line is located closer to the proximate position than is the second line.
  • a distance from a first connection point to the outer edge is greater than a distance from the proximate position to the outer edge, the first connection point being a point where the first line is connected with the hole.
  • a specimen cut out from a portion of the second region where the hole is located has a mean flexural rigidity of greater than or equal to 15 [g ⁇ cm 2 /cm] in a machine direction, the specimen including at least the first packaging material and the second packaging material.
  • a tube having a containment part formed by joining a first packaging material and a second packaging material together, the first packaging material being located at a first face of the tube, the second packaging material being located at a second face of the tube.
  • the tube includes:
  • the first packaging material includes at least one layer located in both the first region and the second region.
  • the second packaging material includes at least one layer located in both the first region and the second region.
  • the outer edge of the tube includes a first edge where the communication part is located, a second edge that is opposite to the first edge in a first direction, and a third edge and a fourth edge that are located between the first edge and the second edge and extend in a direction intersecting the first direction.
  • the hole includes a proximate position where a distance between the hole and the outer edge of the pouch in a center-of-gravity direction is shortest, the center-of-gravity direction being a direction in which a center-of-gravity line passing through a center of the pouch and a center of the hole extends.
  • the communication part is connected with the hole at a position that is spaced apart from the proximate position in a direction orthogonal to the center-of-gravity direction.
  • An outline of the communication part that extends from the hole to the outer edge includes a first line and a second line.
  • the first line is located closer to the proximate position than is the second line.
  • a distance from a first connection point to the outer edge is greater than a distance from the proximate position to the outer edge, the first connection point being a point where the first line is connected with the hole.
  • a specimen cut out from a portion of the second region where the hole is located has a mean flexural rigidity of greater than or equal to 15 [g ⁇ cm 2 /cm] in a machine direction, the specimen including at least the first packaging material and the second packaging material.
  • the present invention makes it possible to provide a pouch, a lidded container, a tube, and other packages that can be easily inserted onto a hanging implement, and are resistant to falling when hung on the hanging implement.
  • Fig. 1 is a front view of a pouch 10 as seen from a first face 1 of the pouch 10.
  • Fig. 1B is a back view of the pouch 10 as seen from a second face 2 of the pouch 10 located opposite to the first face 1.
  • Figs. 1A and 1B each depict the pouch 10 prior to being filled with the contents, that is, with no contents contained therein.
  • the term pouch conceptually includes not only a pouch with no contents contained therein but also a pouch with contents contained therein.
  • the pouch 10 has a containment part 8 for containing contents.
  • the containment part 8 is a space located between a first packaging material, which constitutes the first face 1, and a second packaging material, which constitutes the second face 2.
  • the containment part 8 is defined by the first packaging material, the second packaging material, and a seal where the first packaging material and the second packaging material are joined together.
  • the seal is shaded with diagonal lines.
  • Fig. 1A when viewed along the normal to the first packaging material constituting the first face 1, the containment part 8 is located inside the seal.
  • viewing a pouch, a lidded container, a tube, or other packages along the normal to the first packaging material is also referred to simply as plan view.
  • first packaging material and second packaging material are used to merely divide individual packaging materials from each other according to their positional relationship, and are not intended to limit the manner in which the packaging materials are provided in manufacturing the pouch 10.
  • the pouch 10 may be manufactured by using a single sheet of packaging material including the first packaging material and the second packaging material that are provided contiguously, or may be manufactured by using a total of two sheets of packaging material including a single sheet of first packaging material and a single sheet of second packaging material.
  • first region 19 A region of a package that overlaps the containment part 8 in plan view is hereinafter referred to as first region 19.
  • second region 20 A region of the package located between the containment part 8 and the outer edge of the package and including the seal that joins the first packaging material and the second packaging material together is hereinafter referred to as second region 20.
  • the contents to be contained in the containment part 8 of a package are not particularly limited.
  • the containment part 8 of the package is capable of containing objects in various forms as its contents, such as liquids, powders, granulates, and solids.
  • the contents may be food products, or may be non-food products.
  • the pouch 10 has an outer edge in the shape of a quadrangle.
  • quadrangle conceptually includes not only shapes with angular corners but also shapes whose corners are chamfered into an outwardly convex arcuate or curved shape.
  • the outer edge of the pouch includes a first edge 11, a second edge 12 located opposite to the first edge 11 in a first direction D1, and a third edge 13 and a fourth edge 14, which extend between the first edge 11 and the second edge 12.
  • the third edge 13 and the fourth edge 14 may be located opposite to each other in a second direction D2 orthogonal to the first direction D1.
  • the first edge 11 may be located at the upper side of the pouch 10 when the pouch 10 is hung.
  • the first direction D1 is the vertical direction
  • the second direction D2 is the horizontal direction.
  • Reference sign L1 denotes the distance between the first edge 11 and the second edge 12 in the second direction D2.
  • Reference sign L2 denotes the distance between the third edge 13 and the fourth edge 14 in the first direction D1.
  • the distance L1 may be less than the distance L2.
  • the outside shape of the pouch 10 may be a rectangle having short sides defined by the first edge 11 and the second edge 12, and long sides defined by the third edge 13 and the fourth edge 14.
  • the ratio of the distance L1 to the distance L2 is, for example, less than 1.
  • the above-mentioned ratio may be less than or equal to 9/10, may be less than or equal to 8/10, or may be less than or equal to 7/10.
  • the radio of the distance L1 to the distance L2 is, for example, greater than or equal to 1/10.
  • the above-mentioned ratio may be greater than or equal to 2/10, or may be greater than or equal to 3/10.
  • the distance L1 may be greater than or equal to the distance L2.
  • the outside shape of the pouch 10 may have curved corner portions. A corner portion refers to a location where two edges are connected with each other.
  • the first edge 11 is divided into a first portion 11A, a second portion 11B, and a third portion 11C, which are arranged side by side in the direction from the third edge 13 to the fourth edge 14.
  • the length of the first portion 11A, the length of the second portion 11B, and the length of the third portion 11C are equal to each other.
  • the second portion 11B is located in the middle of the first edge 11 in the second direction D2.
  • the seal on the second region 20 of the pouch 10 illustrated in Figs. 1A and 1B includes a first-edge seal 21 extending along the first edge 11, a third-edge seal 23 extending along the third edge 13, and a fourth-edge seal 24 extending along the fourth edge 14.
  • the first-edge seal 21, the third-edge seal 23, and the fourth-edge seal 24 may or may not be in contact with the outer edge of the pouch 10.
  • a lower portion of the pouch 10 located below an alternate long and short dash line is a tobe-second-edge-seal part 22b, which will become a second-edge seal 22 later.
  • the seal on the pouch 10 may be provided with easy-opening means 15 for tearing the packaging material constituting the pouch to allow opening of the pouch.
  • the easy-opening means 15 may include a notch 15a, which extends from the third edge 13 in the second direction D2 and penetrates the third-edge seal 23.
  • the easy-opening means 15 may include a half-cut line formed in the third-edge seal 23 by use of laser machining, a cutter, or other means.
  • the easy-opening means 15 may be formed at or near the fourth edge 14.
  • the easy-opening means 15 may be located closer to the first edge 11 than to the second edge 12. For example, as illustrated in Fig. 1A , a distance L21 between the easy-opening means 15 and the first edge 11 in the first direction D1 may be less than a distance L22 between the easy-opening means 15 and the second edge 12 in the first direction D1.
  • the pouch 10 includes a hole 4, which is located in the second region 20 and penetrates the first packaging material and the second packaging material.
  • the hole 4 is located in the second region 20 between the first edge 11 of the pouch 10 and the containment part 8.
  • the hole 4 is a hole into which the support of a hanging implement described later is to be inserted.
  • the hole 4 has a circular outline.
  • a center-of-gravity line that connects the center of the hole 4 and the center of gravity of the pouch 10 is denoted by reference sign Lg.
  • Lg a center-of-gravity line that connects the center of the hole 4 and the center of gravity of the pouch 10
  • Lg the direction in which the center-of-gravity line Lg extends
  • the embodiment is directed to a case in which the first direction D1 is parallel to the center-of-gravity direction.
  • the first direction D1 can be made parallel to the center-of-gravity direction if the hole 4 is located in the middle of the pouch 10 in the second direction D2 as illustrated in Fig. 1A .
  • the pouch 10 includes a communication part 5, which extends from the hole 4 to the outer edge of the pouch 10 and penetrates the first packaging material and the second packaging material.
  • the communication part 5 extends from the hole 4 to the first edge 11.
  • the communication part 5 allows the support of the hanging implement described later to pass therethrough from the first edge 11 toward the hole 4.
  • the communication part 5 is capable of connecting the first edge 11 and the hole 4.
  • the communication part 5 may be connected with the second portion 11B of the first edge 11.
  • the hole 4 may overlap the second portion 11B when viewed in the first direction D1. That is, the hole 4 may be disposed in proximity to the middle of the first edge 11.
  • the hole 4 may not overlap the first portion 11A and the third portion 11C when viewed in the first direction D1.
  • the number of holes 4 located in the second region 20 between the first edge 11 and the containment part 8 may be one. Although not illustrated, two or more holes 4 may be located in the second region 20 between the first edge 11 and the containment part 8.
  • Fig. 2A is an enlarged front view of the region indicated by reference sign A and enclosed by an alternate long and two short dashes line in Fig. 1A .
  • the communication part 5 is connected with the hole 4 at a position that is spaced apart from a proximate position 4c of the hole 4 in a direction orthogonal to the center-of-gravity direction, that is, in the second direction D2.
  • the communication part 5 is located on the right side, that is, near the fourth edge 14 relative to the proximate position 4c.
  • the proximate position 4c is a position on the outline of the hole 4 where the distance to the outer edge of the pouch 10 in the center-of-gravity direction is shortest. According to the embodiment, the proximate position 4c is a position on the outline of the hole 4 where the distance to the first edge 11 in the first direction D1 is shortest.
  • the outline of the hole 4 may include a curved portion, and the curved portion may include the proximate position 4c.
  • the pouch 10 moves due to the self-weight of the pouch 10 to a position in which the hanging implement comes into contact with the proximate position 4c. Since the proximate position 4c is located above any other portion of the outline of the hole 4, the pouch 10 becomes stable at that position where the hanging implement comes into contact with the proximate position 4c. If the hole 4 has a circular outline, the proximate position 4c is located in the middle of the hole 4 in the second direction D2.
  • the communication part 5 is connected with the hole 4 at a position spaced apart from the proximate position 4c. This helps to prevent or inhibit the hanging implement inserted in the hole 4 from passing through the communication part 5 due to the self-weight of the pouch 10.
  • the communication part 5 is connected with the hole 4 at a position where the distance between the communication part 5 and the proximate position 4c in the second direction D2 is greatest.
  • the outline of the communication part 5 that extends from the hole 4 to the outer edge of the pouch 10 includes a first line 5x and a second line 5y.
  • the first line 5x is located closer to the proximate position 4c than is the second line 5y.
  • the first line 5x and the second line 5y may be partially in contact with each other. That is, the communication part 5 may have a portion where the first line 5x and the second line 5y are in contact with each other, and a portion where the first line 5x and the second line 5y are not in contact with each other.
  • the portion where the first line 5x and the second line 5y are in contact with each other is obtained by, for example, inserting a blade into a portion of the second region 20. Such a portion is also referred to as slit 5d.
  • the portion where the first line 5x and the second line 5y are not in contact with each other is obtained by punching out a portion of the second region 20 by use of, for example, a punching die. Such a portion is also referred to as notch 5e.
  • the notch 5e may be located closer to the first edge 11 than is the slit 5d.
  • the notch 5e may be located at the first edge 11, and the slit 5d may extend from the hole 4 to the notch 5e.
  • the slit 5d may be connected with the hole 4.
  • the first line 5x includes a first connection point 5x1.
  • the first connection point 5x1 is a position where the first line 5x is connected with the hole 4.
  • the first connection point 5x1 may be defined as a position on the first line 5x where the distance from the first edge 11 in the first direction D1 is greatest.
  • the first line 5x may extend linearly from the first connection point 5x1 toward the first edge 11.
  • the distance from the first connection point 5x1 to the first edge 11 is greater than the distance from the proximate position 4c to the first edge 11.
  • the first connection point 5x1 is located closer to the second edge 12 than is the proximate position 4c of the hole 4.
  • an outline of the hole 4 that is located between the proximate position 4c and the first connection point 5x1 includes a portion that is displaced further toward the second edge 12 with increasing proximity to the first connection point 5x1.
  • the claw portion 20x is a portion of the second region 20 that is located between the first edge 11 and the hole 4 in the first direction D1, and that is located between the proximate position 4c and the first line 5x in the second direction D2.
  • reference sign A1 denotes a dimension of the hole 4 in the first direction D1.
  • Reference sign A2 denotes the distance in the first direction D1 between the proximate position 4c and the first connection point 5x1.
  • Reference sign A3 denotes the distance in the first direction D1 between the proximate position 4c and the first edge 11.
  • Reference sign B1 denotes a dimension of the hole 4 in the first direction D1.
  • Reference sign B2 denotes the distance in the second direction D2 between the proximate position 4c and the first connection point 5x1. The greater the distance A2, the distance A3, and the distance B2, the greater the area of the claw portion 20x, and thus the more resistant the claw portion 20x is to twisting.
  • the distance A2 is set to allow the claw portion 20x to securely hook onto the support of the hanging implement. If the support of the hanging implement is a rigid rod-shaped component, the distance A2 is, for example, greater than or equal to 2 mm. The distance A2 may be greater than or equal to 3 mm, or may be greater than or equal to 4 mm. If the support of the hanging implement is a component with low rigidity such as a thread, a rope, or a string, the distance A2 may be less than 2 mm.
  • the distance A3 is, for example, greater than or equal to 2 mm.
  • the distance A3 may be greater than or equal to 3 mm, or may be greater than or equal to 4 mm.
  • the distance B2 is set to allow the claw portion 20x to securely hook onto the support of the hanging implement.
  • the support of the hanging implement is a rigid rod-shaped component
  • the distance B2 is, for example, greater than or equal to 2 mm.
  • the distance B2 may be greater than or equal to 3 mm, or may be greater than or equal to 4 mm.
  • the support of the hanging implement is a component with low rigidity such as a thread, a rope, or a string, the distance B2 may be less than 2 mm.
  • the first line 5x and the second line 5y may include a curved portion 5c.
  • the curved portion 5c may define the first line 5x and the second line 5y at the location where the first line 5x and the second line 5y are connected with the first edge 11.
  • the curved portion 5c is curved to be convex toward the first edge 11. The presence of the curved portion 5c described above facilitates entry of the hanging implement into the communication part 5.
  • the second line 5y is located opposite to the proximate position 4c with respect to the first line 5x.
  • the hanging implement moves into the communication part 5 along the curved portion 5c of the second line 5y.
  • a curvature radius R2 of the curved portion 5c at a location where the second line 5y is connected with the first edge 11 may be greater than a curvature radius R1 of the curved portion 5c at a location where the first line 5x is connected with the first edge 11.
  • the curvature radius R1 of the curved portion 5c of the first line 5x is, for example, greater than or equal to 2.0 mm.
  • the curvature radius R1 may be greater than or equal to 3.0 mm, or may be greater than or equal to 4.0 mm.
  • the curvature radius R1 of the curved portion 5c of the first line 5x may be less than or equal to 8.0 mm, may be less than or equal to 6.0 mm, or may be less than or equal to 5.0 mm.
  • the curvature radius R2 of the curved portion 5c of the second line 5y is, for example, greater than or equal to 3.0 mm.
  • the curvature radius R2 may be greater than or equal to 4.0 mm, or may be greater than or equal to 5.0 mm.
  • the curvature radius R1 of the curved portion 5c of the second line 5y may be less than or equal to 10.0 mm, may be less than or equal to 8.0 mm, or may be less than or equal to 6.0 mm.
  • Fig. 2C is an enlarged view of the hole 4 and the communication part 5.
  • an alternate long and short dash line denoted by reference sign 5z represents a middle line running in the middle between the first line 5x and the second line 5y.
  • the distance in the second direction D2 between the first line 5x and the middle line 5z is equal to the distance in the second direction D2 between the second line 5y and the middle line 5z.
  • the middle line 5z overlaps the first line 5x and the second line 5y.
  • the middle line 5z may include a straight portion 5z1 that extends linearly. Since the middle line 5z includes the straight portion 5z1, a hanging implement such as the support 71 described later readily passes through the communication part 5. As illustrated in Fig. 2C , the straight portion 5z1 may be in contact with the hole 4. The straight portion 5z1 may extend in parallel to the first direction D1.
  • Reference sign C1 denotes a dimension of the middle line 5z in the first direction D1.
  • Reference sign C2 denotes a dimension of the straight portion 5z1 in the first direction D1.
  • the radio of the dimension C2 to the dimension C1 is, for example, greater than or equal to 2/10.
  • the above-mentioned ratio may be greater than or equal to 5/10, or may be greater than or equal to 7/10.
  • the components of the second region 20 may be increased in strength.
  • the second region 20 of the pouch 10 may include a reinforcing part 21a.
  • two dashed lines extending in the second direction D2 in an upper portion of the pouch 10 represent the upper and lower ends of the reinforcing part 21a.
  • the reinforcing part 21a is located in the first-edge seal 21 where the hole 4 is provided.
  • the presence of the reinforcing part 21a makes it possible to increase the strength of the pouch 10 around the periphery of each of the hole 4 and the communication part 5. This helps to prevent or inhibit the pouch 10 from undergoing, for example, deformation or cracking.
  • the reinforcing part 21a may be located between an outer-edge-side seal 21b and a containment-part-side seal 21c.
  • the outer-edge-side seal 21b is a seal extending along the first edge 11 of the pouch 10.
  • the outer-edge-side seal 21b may or may not be in contact with the first edge 11 in plan view.
  • the containment-part-side seal 21c is a seal that is in contact the containment part 8 in plan view.
  • the reinforcing part 21a, the outer-edge-side seal 21b, and the containment-part-side seal 21c constitute the first-edge seal 21.
  • the reinforcing part 21a surrounds the hole 4 in plan view. As illustrated in Figs. 1A and 1B , the reinforcing part 21a may extend in the second direction D2 so as to reach the third edge 13 and the fourth edge 14.
  • Fig. 3 is a cross-sectional view of the second region 20 of the pouch taken along a line B-B in Fig. 1A .
  • the reinforcing part 21a is thicker than the outer-edge-side seal 21b and the containment-part-side seal 21c.
  • the difference between the thickness T3 of the reinforcing part 21a and each of the thickness T4 of the outer-edge-side seal 21b and the thickness T5 of the containment-part-side seal 21c is, for example, greater than or equal to 50 ⁇ m.
  • the above-mentioned difference may be greater than or equal to 70 ⁇ m, or may be greater than or equal to 100 ⁇ m.
  • the reinforcing part 21a may include a reinforcement 55 located between the inner face of a first packaging material 30A constituting the first face 1, and the inner face of a second packaging material 30B constituting the second face 2.
  • the inner face of the first packaging material 30A and the inner face of the second packaging material 30B may be joined together.
  • the thickness T3 of the reinforcing part 21a can be made greater than the thickness T4 of the outer-edge-side seal 21b and the thickness T5 of the containment-part-side seal 21c by an amount equal to the thickness of the reinforcement 55.
  • the term "inner face” refers to a face of a packaging material such as the first packaging material 30A or the second packaging material 30B that is located adjacent to the containment part 8.
  • the first packaging material 30A may include a first base layer 51, and a first sealant layer 61 located adjacent to the inner face of the first base layer 51.
  • the second packaging material 30B may include a second base layer 52, and a second sealant layer 62 located adjacent to the inner face of the second base layer 52.
  • the first sealant layer 61 of the first packaging material 30A, and the second sealant layer 62 of the second packaging material 30B may be joined together.
  • the first sealant layer 61 and the second sealant layer 62 may be integrated together through a heat seal process.
  • the first sealant layer 61 of the first packaging material 30A, and the second sealant layer 62 of the second packaging material 30B may be joined to the reinforcement 55.
  • the first sealant layer 61, the reinforcement 55, and the second sealant layer 62 may be integrated together through a heat seal process.
  • the first sealant layer 61 and the reinforcement 55 may not be joined together.
  • the second sealant layer 62 and the reinforcement 55 may not be joined together.
  • the reinforcing part 21a is sandwiched between the outer-edge-side seal 21b and the containment-part-side seal 21c in plan view, and thus in the reinforcing part 21a, the spacing between the inner face of the first packaging material 30A and the inner face of the second packaging material 30B can be limited to be within a predetermined range.
  • Suitable exemplary materials for a type of the reinforcement 55 that is joined to the first sealant layer 61 and the second sealant layer 62 include materials described later as exemplary materials for the first sealant layer 61.
  • Suitable exemplary materials for a type of the reinforcement 55 that is not joined to the first sealant layer 61 and the second sealant layer 62 include: films or sheets made of, for example, polyethylene terephthalate, polybutylene terephthalate, or polypropylene; and paper.
  • the thickness of the reinforcement 55 is, for example, greater than or equal to 50 ⁇ m.
  • the thickness of the reinforcement 55 may be greater than or equal to 70 ⁇ m, or may be greater than or equal to 100 ⁇ m.
  • the thickness of the reinforcement 55 may be less than or equal to 1000 ⁇ m, may be less than or equal to 500 ⁇ m, or may be less than or equal to 300 ⁇ m.
  • a portion of the second region 20 where the hole 4 is located has a predetermined flexural rigidity in at least one direction.
  • the above-mentioned portion preferably has a mean flexural rigidity of greater than or equal to 15 g ⁇ cm 2 /cm.
  • the above-mentioned portion preferably has an initial flexural rigidity of preferably greater than or equal to 22 g ⁇ cm 2 /cm.
  • Flexural rigidity is a parameter representing a measure of the stiffness of a film. Reference is now made to Figs. 4 and 5 to describe a method for measuring flexural rigidity.
  • a specimen 80 is cut out from a portion of the second region 20 that has the same layer structure as the portion of the second region 20 where the hole 4 is located.
  • the specimen 80 has the shape of a square with sides each having a length M1.
  • the length M1 is 10 mm.
  • the direction of each side of the specimen 80 is set in accordance with the direction in which to measure flexural rigidity. For example, for a case where flexural rigidity is to be measured in the second direction D2, which is the machine direction of the pouch 10 illustrated in Fig. 1A , the specimen 80 includes sides extending in parallel to the second direction D2.
  • opposite sides of the specimen 80 are held by using a first clamp 86 and a second clamp 87 of a measuring instrument 85.
  • the specimen 80 is held such that sides of the specimen 80 extending in the second direction D2 extend from the first clamp 86 to the second clamp 87.
  • the spacing M3 between the first clamp 86 and the second clamp 87 is 10 mm.
  • the initial flexural rigidity and mean flexural rigidity of the specimen 80 can be calculated based on the bending moment exerted on the specimen 80 at this time.
  • Initial flexural rigidity refers to the bending moment exerted on the specimen 80 when the specimen 80 is bent into a curved shape from a flat shape.
  • Mean flexural rigidity refers to the mean value of bending moments exerted on the specimen 80 during a single execution of the process of bending the specimen 80 into a curved shape from a flat shape until the specimen 80 has a set curvature.
  • the set curvature is 2.5/cm.
  • the rate of change in curvature is 0.1/cm ⁇ s.
  • Initial flexural rigidity and mean flexural rigidity are measured for each of five specimens 80, and their respective mean values are used as initial flexural rigidity and mean flexural rigidity according to the embodiment.
  • the mean flexural rigidity of the specimen 80 in the machine direction is preferably greater than or equal to 15 g ⁇ cm 2 /cm.
  • the mean flexural rigidity of the specimen 80 in the machine direction may be greater than or equal to 20 g ⁇ cm 2 /cm, may be greater than or equal to 25 g ⁇ cm 2 /cm, or may be greater than or equal to 30 g ⁇ cm 2 /cm.
  • An excessively high mean flexural rigidity reduces the manufacturability or ease of handling of the pouch 10.
  • the mean flexural rigidity of the specimen 80 in the machine direction may be less than or equal to 50 g ⁇ cm 2 /cm, may be less than or equal to 45 g ⁇ cm 2 /cm, may be less than or equal to 40 g ⁇ cm 2 /cm, or may be less than or equal to 35 g ⁇ cm 2 /cm.
  • the mean flexural rigidity of the specimen 80 in the transverse direction orthogonal to the machine direction is preferably greater than or equal to 16 g ⁇ cm 2 /cm.
  • the mean flexural rigidity of the specimen 80 in the transverse direction may be greater than or equal to 18 g ⁇ cm 2 /cm, may be greater than or equal to 20 g ⁇ cm 2 /cm, or may be greater than or equal to 22 g ⁇ cm 2 /cm.
  • the mean flexural rigidity of the specimen 80 in the transverse direction may be less than or equal to 40 g ⁇ cm 2 /cm, may be less than or equal to 35 g ⁇ cm 2 /cm, may be less than or equal to 30 g ⁇ cm 2 /cm, or may be less than or equal to 25 g ⁇ cm 2 /cm.
  • the initial flexural rigidity of the specimen 80 in the machine direction is preferably greater than or equal to 22 g ⁇ cm 2 /cm.
  • the initial flexural rigidity of the specimen 80 in the machine direction may be greater than or equal to 25 g ⁇ cm 2 /cm, may be greater than or equal to 30 g ⁇ cm 2 /cm, or may be greater than or equal to 40 g ⁇ cm 2 /cm.
  • the initial flexural rigidity of the specimen 80 in the machine direction may be less than or equal to 70 g ⁇ cm 2 /cm, may be less than or equal to 60 g ⁇ cm 2 /cm, may be less than or equal to 50 g ⁇ cm 2 /cm, or may be less than or equal to 45 g ⁇ cm 2 /cm.
  • the initial flexural rigidity of the specimen 80 in the transverse direction is preferably greater than or equal to 23 g ⁇ cm 2 /cm.
  • the initial flexural rigidity of the specimen 80 in the transverse direction may be greater than or equal to 25 g ⁇ cm 2 /cm, may be greater than or equal to 28 g ⁇ cm 2 /cm, or may be greater than or equal to 30 g ⁇ cm 2 /cm.
  • the initial flexural rigidity of the specimen 80 in the transverse direction may be less than or equal to 70 g ⁇ cm 2 /cm, may be less than or equal to 60 g ⁇ cm 2 /cm, may be less than or equal to 50 g ⁇ cm 2 /cm, or may be less than or equal to 40 g ⁇ cm 2 /cm.
  • a pure-bending characteristic tester JTC-911BT manufactured by SMT Co., Ltd. can be used as an instrument for measuring flexural rigidity.
  • the flexural rigidity is measured under the environment of a temperature of 25°C and a relative humidity of 50%.
  • the second region 20 is provided with the reinforcing part 21a including the reinforcement 55. This makes it possible to increase the flexural rigidity of a portion of the second region 20 where the hole 4 is located. This helps to prevent or inhibit a region around the periphery of each of the hole 4 and the communication part 5 from deforming to cause the pouch 10 to fall off the hanging implement.
  • first packaging material 30A and the second packaging material 30B are identical to first packaging material 30A and the second packaging material 30B.
  • the first packaging material 30A includes at least one layer located in both the first region 19 and the second region 20.
  • the first base layer 51 and the first sealant layer 61 of the first packaging material 30A are located in both the first region 19 and the second region 20.
  • the second packaging material 30B also includes at least one layer located in both the first region 19 and the second region 20.
  • the second base layer 52 and the second sealant layer 62 of the second packaging material 30B are located in both the first region 19 and the second region 20.
  • Fig. 6 is a cross-sectional view of an exemplary layer structure of the first packaging material 30A.
  • the first packaging material 30A includes at least the first base layer 51, and the first sealant layer 61 located adjacent to the inner face of the first base layer 51.
  • the first packaging material 30A may include a first bonding layer 65 for bonding the first base layer 51 to another layer such as the first sealant layer 61.
  • Suitable materials for the first base layer 51 may include: a polyester film such as a polyethylene terephthalate film or a polybutylene terephthalate film; a polyamide film such as a nylon film; a plastic film such as a polypropylene film; and paper.
  • a plastic film that constitutes the first base layer 51 is preferably oriented biaxially.
  • the first base layer 51 includes a plastic film
  • the first base layer 51 has a thickness of, for example, greater than or equal to 10 ⁇ m and less than or equal to 50 ⁇ m.
  • Paper that constitutes the first base layer 51 has a basis weight of, for example, greater than or equal to 20 g/m 2 and less than or equal to 100 g/m 2 .
  • Suitable materials for the first sealant layer 61 may include polyolefin resins such as polyethylene, polypropylene, ethylene-vinyl acetate copolymers, ethylene-propylene block copolymers, and propylene-ethylene block copolymers.
  • the first sealant layer 61 may include an unoriented sealant film.
  • the thickness of the first sealant layer 61 may be greater than or equal to 15 ⁇ m, or may be greater than or equal to 18 ⁇ m.
  • the thickness of the first sealant layer 61 may be less than or equal to 80 ⁇ m, may be less than or equal to 60 ⁇ m, may be less than or equal to 40 ⁇ m, or may be less than or equal to 30 ⁇ m.
  • the first bonding layer 65 may be an adhesive layer, or may be a bonding resin layer.
  • the adhesive layer can be formed by a known method, for example, dry lamination.
  • the bonding resin layer includes thermoplastic resin.
  • the bonding resin layer can be formed by a known method, for example, melt extrusion lamination or sandwich lamination.
  • Fig. 7 is a cross-sectional view of another exemplary layer structure of the first packaging material 30A.
  • the first packaging material 30A may further include a first additional layer 53.
  • the first packaging material 30A may include a third bonding layer 67 for bonding the first additional layer 53 to another layer.
  • the first additional layer 53 is provided to impart some characteristics to the first packaging material 30A.
  • the first additional layer 53 may include the plastic film described above as an example of the first base layer 51.
  • the presence of the first additional layer 53 helps to increase the strength of the first packaging material 30A.
  • the material of the plastic film that constitutes the first additional layer 53 may be identical to or different from the material of a plastic film that constitutes the first base layer 51.
  • the first additional layer 53 may include a metallic foil of aluminum or other metals. This allows for enhanced gas barrier property or light-blocking property of the first packaging material 30A.
  • the first additional layer 53 may include a resin layer with gas barrier property, examples of which include ethylene-vinyl alcohol copolymers (EVOH), polyvinylidene chloride resins (PVDC), and aromatic polyamides such as nylon MXD6.
  • EVOH ethylene-vinyl alcohol copolymers
  • PVDC polyvinylidene chloride resins
  • aromatic polyamides such as nylon MXD6.
  • the first additional layer 53 may be located between the first base layer 51 and the first sealant layer 61. Alternatively, although not illustrated, the first additional layer 53 may be located adjacent to the outer face of the first base layer 51.
  • the third bonding layer 67 may be an adhesive layer, or may be a bonding resin layer.
  • the first packaging material 30A may include a print layer.
  • the print layer is a layer on which to form any desired prints such as letters, numerals, designs, geometric figures, symbols, or patterns for purposes including decoration, indication of the contents, indication of best-before date, manufacturer or producer, seller or distributor, or other such information, and providing other indications or a sense of beauty.
  • the print layer is formed by printing ink including a binder and a pigment.
  • a plastic film included in the first packaging material 30A may be provided with a vapor-deposited layer of a metal such as aluminum, a vapor-deposited layer of a metal oxide such as an aluminum oxide, or a vapor-deposited layer of an inorganic oxide such as a silicon oxide. Such a vapor-deposited layer may be stacked over the first base layer 51, may be stacked over the first sealant layer 61, or may be stacked over the first additional layer 53.
  • the layers constituting the first packaging material 30A are stacked by use of a method such as dry lamination or melt extrusion.
  • the first packaging material 30A may further include other layers not illustrated in the drawings.
  • the second packaging material 30B includes at least the second base layer 52, and the second sealant layer 62 located adjacent to the inner face of the second base layer 52.
  • the second packaging material 30B may include the following layers arranged in the order stated below from the outer side toward the inner side of the second packaging material 30B: the second base layer 52, a second bonding layer 66, and the second sealant layer 62.
  • the second base layer 52, the second bonding layer 66, and the second sealant layer 62 of the second packaging material 30B may be similar in their material, thickness, or other configuration to the first base layer 51, the first bonding layer 65, and the first sealant layer 61 of the first packaging material 30A.
  • the second packaging material 30B may include the following layers arranged in the order stated below from the outer side toward the inner side of the second packaging material 30B: the second base layer 52, the second bonding layer 66, a second additional layer 54, a fourth bonding layer 68, and the second sealant layer 62.
  • the second base layer 52, the second bonding layer 66, the second additional layer 54, the fourth bonding layer 68, and the second sealant layer 62 of the second packaging material 30B may be similar in their material, thickness, or configuration to the first base layer 51, the first bonding layer 65, the first additional layer 53, the third bonding layer 67, and the first sealant layer 61 of the first packaging material 30A.
  • the layer structure of the first packaging material 30A may be identical to or different from the layer structure of the second packaging material 30B.
  • the first packaging material 30A and the second packaging material 30B are also collectively referred to as packaging material 30.
  • the thickness of each of the first packaging material 30A and the second packaging material 30B is, for example, greater than or equal to 30 ⁇ m.
  • the thickness of each of the first packaging material 30A and the second packaging material 30B may be greater than or equal to 40 ⁇ m, or may be greater than or equal to 45 ⁇ m.
  • the thickness of each of the first packaging material 30A and the second packaging material 30B may be less than or equal to 100 ⁇ m, may be less than or equal to 80 ⁇ m, or may be less than or equal to 60 ⁇ m.
  • the packaging material 30 is not limited to the specific examples described below but may have other configurations.
  • AC anchor coating layer.
  • the anchor coating layer is a layer formed by applying an anchor coating agent onto a predetermined layer or film and then drying the resulting layer or film.
  • VMPET means a PET film with a vapor-deposited layer of a metal such as aluminum stacked thereon.
  • the first packaging material 30A and the second packaging material 30B are placed to face each other.
  • the reinforcement 55 is inserted in between the first packaging material 30A and the second packaging material 30B to form a multilayer body.
  • the multilayer body is heat sealed at a predetermined sealing temperature in regions corresponding to the first edge 11, the third edge 13, and the fourth edge 14 to thereby form the first-edge seal 21, the third-edge seal 23, and the fourth-edge seal 24.
  • a region of the multilayer body that overlaps the reinforcement 55 becomes the reinforcing part 21a mentioned above.
  • Each of the first packaging material 30A, the second packaging material 30B, and the reinforcement 55 may be in the form of a long roll stock extending in the second direction D2 in Fig. 6 .
  • the multilayer body is punched with a machining tool including a punching die and a blade to form the hole 4 and the communication part 5. Further, the multilayer body is cut at locations in the first direction D1 that are to become the third edge 13 and the fourth edge 14. In this way, the pouch 10 including the reinforcing part 21a, the hole 4, and the communication part 5 illustrated in Figs. 1A and 1B can be obtained.
  • the containment part 8 of the pouch 10 is filled with the contents through an opening 9 located near the second edge 12. Then, at a location near the second edge 12, the inner face of the first packaging material 30A, and the inner face of the second packaging material 30B are heat sealed at a predetermined sealing temperature to form the second-edge seal 22. In this way, as illustrated in Figs. 9A and 9B , the pouch 10 with its contents contained and sealed therein can be obtained.
  • the figure illustrates a plurality of pouches 10 hung on a hanging implement 70.
  • the hanging implement 70 includes at least the support 71 on which to hang each pouch 10.
  • the support 71 is, for example, a rod, which is to be inserted into the hole 4 of the pouch 10.
  • the hanging implement 70 may include a restraint part 72 connected with one end of the support 71.
  • the restraint part 72 is inclined relative to the support 71 such that the restraint part 72 is displaced upward relative to the support 71 with increasing distance from the one end of the support 71.
  • the restraint part 72 is inclined so as to extend downward in the longitudinal direction toward the support 71.
  • Reference sign 74 denotes the boundary part between the support 71 and the restraint part 72.
  • the support 71 and the restraint part 72 may be formed by a single component that is bent in the boundary part 74 such that the orientation of its longitudinal direction changes in the boundary part 74.
  • the hanging implement 70 may include a fixed part 73 connected with the other end of the support 71.
  • the fixed part 73 is a component in the form of a flat plate with a predetermined thickness.
  • the fixed part 73 may be formed such that when the fixed part 73 is placed with its surface oriented in parallel to the vertical direction, the support 71 and the restraint part 72 are both directed vertically downward toward the boundary part 74.
  • the fixed part 73 has predetermined mounting means provided on its back. The mounting means allows the fixed part 73 to be mounted to a fixture or to a display rack or shelf with the surface of the fixed part 73 oriented in parallel to the vertical direction.
  • Figs. 11A to 11C each illustrate an exemplary operation of hanging the pouch 10 on the hanging implement 70. This operation is performed by, for example, an employee of a store that sells the pouch 10.
  • the employee first brings the communication part 5 of the pouch 10 into contact with the support 71 of the hanging implement 70.
  • the curved portion 5c exists at the location where the first line 5x and the second line 5y are connected with the first edge 11.
  • the first line 5x and the second line 5y have a large spacing from each other at the location where the communication part 5 is connected with the first edge 11. This facilitates positioning of the communication part 5 of the pouch 10 with respect to the support 71.
  • the presence of the curved portion 5c facilitates entry of the support 71 into a first portion 5a of the communication part 5 along the curved portion 5c.
  • the employee moves the pouch 10 upward toward the support 71 as indicated by an arrow U in Fig. 11B .
  • This allows the support 71 to pass through the communication part 5 and reach the hole 4.
  • the employee then releases his or her hand from the pouch 10.
  • the pouch 10 moves to a position as illustrated in Fig. 11C where the support 71 comes into contact with the proximate position 4c.
  • This allows the support 71 to be positioned away from the first connection point 5x1 of the communication part 5 in the first direction D1 and the second direction D2. This helps to prevent or inhibit the pouch 10 from falling off the support 71 when a consumer or other user lightly touches 10.
  • the support 71 can be inserted into the hole 4 via the communication part 5. Consequently, as indicated by an arrow in Fig. 10 , with a plurality of pouches 10 hung on the support 71, a new pouch 10 can be attached to the support 71 at any given location.
  • This facilitates adjustment of the order of the pouches 10 hung on the support 71, in comparison to conventional pouches 10 of a type that are attached to the support 71 from the restraint part 72.
  • a new pouch 10 can be placed near the fixed part 73 relative to the pouches 10 already hung on the support 71. This allows, for example, the pouches 10 to be easily rearranged such that the pouches 10 with shorter use-by dates are placed nearer the restraint part 72.
  • the consumer may pull the pouch 10 downward with the support 71 being in contact with the proximate position 4c. Even in this case, the consumer is able to remove the pouch 10 from the support 71 by applying, to the pouch 10, a force large enough to cause the claw portion 20x to undergo twisting.
  • the consumer may remove the pouch 10 from the support 71 by twisting the claw portion 20x with the hand.
  • a consumer is able to easily remove a single desired pouch 10 from the support 71, in comparison to conventional pouches 10 that are removed from the support 71 from the restraint part 72.
  • This proves particularly advantageous for the consumer if there are individual differences among the pouches 10.
  • the consumer first checks the condition of the contents of a plurality of pouches 10 hung on the support 71. The consumer then removes, from the support 71, a pouch 10 whose contents are in a preferred condition. In this way, the consumer is able to choose a desired pouch 10 and remove the pouch 10 from the support 71.
  • the pouch 10 it is also possible to attach the pouch 10 to the support 71 from the restraint part 72, or to pass the pouch 10 attached on the support 71 through the restraint part 72 to thereby remove the pouch 10.
  • the curved portion 5c of each of the first line 5x and the second line 5y may have any desired curvature radius.
  • the curvature radius R2 of the curved portion 5c of the second line 5y may be greater than that in the example illustrated in Fig. 2A .
  • the curvature radius R1 of the curved portion 5c of the first line 5x, and the curvature radius R2 of the curved portion 5c of the second line 5y may be equal to each other.
  • the first line 5x or the second line 5y may not include the curved portion 5c.
  • the first line 5x or the second line 5y may extend linearly from the hole 4 to the first edge 11.
  • Fig. 14 illustrates an example in which the first line 5x is defined by a straight portion that extends linearly from the hole 4 to the first edge 11.
  • Fig. 15 illustrates an example in which the first line 5x and the second line 5y are each defined by a straight portion that extends linearly from the hole 4 to the first edge 11.
  • the communication part 5 illustrated in Fig. 15 is defined by the slit 5d.
  • the embodiment described above is directed to an example in which the first line 5x and the second line 5y of the communication part 5 are partially in contact with each other. That is, the embodiment described above is directed to an example in which the communication part 5 includes the slit 5d and a notch. However, this is not intended to be limiting. Alternatively, as illustrated in Fig. 16 , the first line 5x and the second line 5y may be in non-contact with each other in their entirety. That is, the communication part 5 may be defined by the notch 5e.
  • a spacing W2 between the first line 5x and the second line 5y at the first connection point 5x1 is preferably less than or equal to 2.0 mm. The spacing W2 may be less than or equal to 1.5 mm, may be less than or equal to 1.0 mm, or may be less than or equal to 0.5 mm.
  • the first line 5x and the second line 5y may each include a straight portion extending linearly such that the spacing between the first line 5x and the second line 5y increases with increasing distance from the hole 4 toward the first edge 11.
  • the direction in which the straight portion of the first line 5x extends, and the direction in which the straight portion of the second line 5y extends may be different from each other.
  • the embodiment described above is directed to an example in which the outline of the hole 4 has the shape of a circle, more specifically, the shape of a perfect circle.
  • the outline of the hole 4 may not necessarily have the shape of a perfect circle.
  • the outline of the hole 4 may have the shape of an ellipse.
  • a first dimension S1 of the hole 4 may be smaller than a second dimension S2 of the hole 4.
  • the first dimension S1 of the hole 4 may be larger than the second dimension S2 of the hole 4.
  • the first dimension S1 refers to a dimension of the hole 4 at the proximate position 4c in the direction in which the center-of-gravity line Lg extends.
  • the second dimension S2 refers to a dimension of the hole 4 in a direction orthogonal to the direction of measurement of the first dimension S1.
  • the outline of the hole 4 has the shape of a circle such as a perfect circle or an ellipse.
  • the outline of the hole 4 may have the shape of a polygon.
  • the outline of the hole 4 may have the shape of a quadrangle.
  • the communication part 5 may be connected with a corner of the quadrangle defining the outline of the hole 4.
  • a corner refers to a location where two sides defining a polygon such as a quadrangle meet.
  • the communication part 5 may be connected with a side of the quadrangle defining the outline of the hole 4.
  • the outline of the hole 4 may have the shape of a triangle as illustrated in Fig. 21 .
  • the communication part 5 may be connected with a corner of the triangle defining the outline of the hole 4.
  • the communication part 5 may be connected with a side of the triangle defining the outline of the hole 4. If the outline of the hole 4 has the shape of a polygon, the corners of the polygon may include a curved portion as illustrated in Fig. 22 .
  • the first dimension of the hole 4 may be smaller than the second dimension of the hole 4, or the first dimension of the hole 4 may be larger than the second dimension of the hole 4. Alternatively, the first dimension of the hole 4 may be equal to the second dimension of the hole 4.
  • the communication part 5 is connected with the hole 4 at a position where the distance between the communication part 5 and the proximate position 4c in the second direction D2 is greatest.
  • the communication part 5 may be connected with the hole 4 at a position that is located between the proximate position 4c and the position where the distance between the communication part 5 and the proximate position 4c in the second direction D2 is greatest.
  • the ratio of the distance A2 to the dimension A1 may be less than 0.5.
  • the ratio of the distance B2 to the dimension B1 may be less than 0.5.
  • the ratio of the distance A2 to the dimension A1 may be less than or equal to 0.45, or may be less than or equal to 0.4.
  • the ratio of the distance A2 to the dimension A1 may be greater than or equal to 0.2, or may be greater than or equal to 0.3.
  • the ratio of the distance B2 to the dimension B1 may be less than or equal to 0.45, or may be less than or equal to 0.4.
  • the ratio of the distance B2 to the dimension B1 may be greater than or equal to 0.2, or may be greater than or equal to 0.3.
  • first line 5x and the second line 5y of the communication part 5 include a straight portion that extends in the first direction D1.
  • the first line 5x and the second line 5y may include a straight portion that extends in a direction inclined relative to the first direction D1.
  • the first line 5x and the second line 5y may include a straight portion that extends further away from the proximate position 4c with increasing distance from the hole 4 toward the first edge 11.
  • the first line 5x and the second line 5y may include a straight portion that extends further toward the proximate position 4c with increasing distance from the hole 4 toward the first edge 11.
  • the example in Fig. 24 makes it possible to increase the area of the claw portion 20x and consequently reduce potential twisting of the claw portion 20x. This helps to prevent or inhibit the pouch 10 from falling off the support 71.
  • the example in Fig. 25 makes it possible to decrease the area of the claw portion 20x and consequently facilitate twisting of the claw portion 20x. This allows a consumer or employer to easily remove the pouch 10 from the support 71.
  • the foregoing description of the embodiment is directed to an example in which at the location of the hole 4, the first packaging material 30A and the second packaging material 30B are punched out and removed.
  • this is not intended to be limiting.
  • the first packaging material 30A and the second packaging material 30B that are located in the area overlapping the hole 4 may be left to remain while being coupled to the second region 20 around the periphery of the hole 4.
  • the outline of the hole 4 may include a first outline 4x having one end connected with the first portion 5a, and a second outline 4y having one end connected with a second portion 5b, and the other end of the first outline 4x and the other end of the second outline 4y may not be connected with each other.
  • a portion 4a of the packaging material overlapping the hole 4 is coupled to the second region 20 around the periphery of the hole 4 via a coupling part 4z, which is located between the other end of the first outline 4x and the other end of the second outline 4y.
  • the coupling part 4z is located at a lower end of the hole 4 in the first direction D1.
  • the coupling part 4z may be located at a position different from a lower end of the hole 4 in the first direction D1.
  • the coupling part 4z may be located below the center of the hole 4 in the first direction D1.
  • the coupling part 4z may be located at an end of the hole 4 in the second direction D2.
  • the coupling part 4z is preferably located opposite to the first connection point 5x1 with respect to the center of the hole 4.
  • the coupling part 4z may not include the proximate position 4c. This helps to prevent or inhibit a hanging implement such as the support 71 from coming into contact with the coupling part 4z when the hanging implement is inserted in the hole 4.
  • the coupling part 4z may include the proximate position 4c.
  • the coupling part 4z preferably has a dimension S3 that is sufficiently small relative to the second dimension S2 of the hole 4. This helps to prevent or inhibit the pouch 10 from assuming an unstable posture when a hanging implement such as the support 71 is inserted in the hole 4.
  • the dimension S3 represents the distance between the other end of the first outline 4x and the other end of the second outline 4y.
  • the ratio of the dimension S3 to the second dimension S2 is, for example, less than or equal to 5/10. The above-mentioned ratio may be less than or equal to 4/10, may be less than or equal to 3/10, or may be less than or equal to 2/10.
  • Fig. 27 illustrates the pouches 10 hung on the hanging implement 70, the pouches 10 each including the hole 4 illustrated in Fig. 26A .
  • the portion 4a which is a portion of the packaging material that overlaps the hole 4
  • the support 71 can be thus inserted into the hole 4 as illustrated in Fig. 27 .
  • the foregoing description of the embodiment is directed to an example in which the hole 4 is located in the middle portion of the first-edge seal 21 in the second direction D2, and the communication part 5 extends from the hole 4 to the first edge 11.
  • the hole 4 and the communication part 5 may be located near the third edge 13 relative to the middle portion of the first-edge seal 21 in the second direction D2.
  • the communication part 5 is connected with the hole 4 at a position that is spaced apart from the proximate position 4c in a direction orthogonal to the center-of-gravity direction. This helps to prevent or inhibit the hanging implement inserted in the hole 4 from passing through the communication part 5 due to the self-weight of the pouch 10.
  • the first edge 11 of the pouch 10 may include a first side 11a, and a second side 11b located near the containment part 8 relative to the first side 11a.
  • the first side 11a and the second side 11b both extend in the second direction D2.
  • the first side 11a may be located in the middle portion of the first edge 11 in the second direction D2.
  • one second side 11b may be located near the third edge 13 relative to the first side 11a, and another second side 11b may be located near the fourth edge 14 relative to the first side 11a.
  • the hole 4 and the communication part 5 may be provided in the first-edge seal 21 located between the first side 11a of the first edge 11 and the containment part 8.
  • Fig. 30 is a cross-sectional view of a modification of the reinforcement 55.
  • the reinforcement 55 may include a packaging material that includes at least a base layer 56 and a sealant layer 57.
  • the reinforcement 55 may include a packaging material folded in such a way that the sealant layer 57 faces outward.
  • the sealant layer 57 of the reinforcement 55 that is located near the first packaging material 30A, and the first sealant layer 61 of the first packaging material 30A may be integrated together through a heat seal process.
  • the sealant layer 57 of the reinforcement 55 that is located near the second packaging material 30B, and the second sealant layer 62 of the second packaging material 30B may be integrated together through a heat seal process.
  • the reinforcing part 21a includes four sheets of packaging material each including a base layer and a sealant layer.
  • the reinforcing part 21a includes the following sheets of packaging material arranged in the order stated below from the first face 1 toward the second face 2: the first packaging material 30A; a packaging material constituting the reinforcement 55: a packaging material constituting the reinforcement 55; and the second packaging material 30B.
  • the presence of the four sheets of packaging material in the reinforcing part 21a helps to increase the strength of the pouch 10 around the periphery of each of the hole 4 and the communication part 5.
  • the packaging material constituting the reinforcement 55 may be identical to the first packaging material 30A or the second packaging material 30B. That is, the reinforcement 55 may be formed by using the first packaging material 30A or the second packaging material 30B. This enables efficient manufacture of the pouch 10 including the reinforcing part 21a.
  • Fig. 31 illustrates an exemplary method for manufacturing a pouch including the reinforcement illustrated in Fig. 30 .
  • the first packaging material 30A and the second packaging material 30B are placed to face each other.
  • the reinforcement 55 made of a packaging material folded with the sealant layer facing outward as described above is inserted in between the first packaging material 30A and the second packaging material 30B to thereby form a multilayer body.
  • the multilayer body is heat sealed at a predetermined sealing temperature to form the first-edge seal 21, the third-edge seal 23, and the fourth-edge seal 24.
  • the multilayer body is punched with a machining tool including a blade and a punching die to thereby form the hole 4 and the communication part 5.
  • the multilayer body is cut at locations in the first direction D1 that are to become the third edge 13 and the fourth edge 14. In this way, the pouch 10 including the reinforcing part 21a, the hole 4, and the communication part 5 can be obtained.
  • the reinforcement 55 is depicted as being made of a folded packaging material in the example illustrated in Figs. 30 and 31 , this is not intended to be limiting.
  • two sheets of packaging material each including a base layer and a sealant layer may be stacked with their sealant layers facing outward to thereby form the reinforcement 55.
  • Such two sheets of packaging material may be obtained by folding up a single sheet of packaging material and then cutting the sheet in the vicinity of the fold.
  • the packaging material constituting the reinforcement 55 illustrated in Fig. 30 may include layers other than the base layer 56 and the sealant layer 57.
  • the reinforcing part 21a extends in the second direction D2 so as to reach the third edge 13 and the fourth edge 14.
  • the area over which the reinforcing part 21a extends is not particularly limited as long as the reinforcing part 21a surrounds the hole 4.
  • the reinforcing part 21a may not reach the third edge 13 or the fourth edge 14.
  • a seal where the first packaging material 30A and the second packaging material 30B are joined together may be located between the reinforcing part 21a, and the third edge 13 or the fourth edge 14.
  • the pouch 10 includes the reinforcing part 21a surrounding the hole 4 in plan view.
  • the pouch 10 may not include the reinforcing part 21a surrounding the hole 4.
  • the first packaging material 30A and the second packaging material 30B such that the second region 20 has sufficient strength, it is possible to prevent or inhibit a region around the periphery of each of the hole 4 and the communication part 5 from deforming to cause the pouch 10 to fall off the hanging implement.
  • the pouch 10 is a so-called four-side seal pouch with a seal provided along each of the first edge 11, the second edge 12, the third edge 13, and the fourth edge 14.
  • the pouch 10 may not necessarily be a four-side seal pouch.
  • the pouch 10 may be a so-called three-side seal pouch with a seal provided along three of the four edges including the first edge 11, the second edge 12, the third edge 13, and the fourth edge 14.
  • Fig. 34 is a front view of a three-side seal pouch with no contents contained therein.
  • Fig. 35 is a front view of the three-side seal pouch with its contents contained therein.
  • the pouch 10 illustrated in each of Figs. 34 and 35 is formed by folding over a packaging material along the fourth edge 14.
  • the pouch 10 includes the following seals: the first-edge seal 21 extending along the first edge 11; and the third-edge seal 23 extending along the third edge 13.
  • the second-edge seal 22 is formed along the second edge 12 as illustrated in Fig. 35 .
  • the first packaging material 30A constituting the first face 1, and the second packaging material 30B constituting the second face 2 are each formed by a single sheet of packaging material folded over along the fourth edge 14. Accordingly, the layer structure of the first packaging material 30A is identical to the layer structure of the second packaging material 30B.
  • the first direction D1 may be the machine direction of the first packaging material 30A and the second packaging material 30B
  • the second direction D2 may be the transverse direction.
  • Fig. 36 is a front view of a modification of the pouch 10.
  • the pouch 10 may be a gusseted pouch configured to be capable of standing by itself with the second edge 12 facing down.
  • the pouch 10 includes, in addition to the first packaging material 30A constituting the first face 1 and the second packaging material 30B constituting the second face 2, a third packaging material located at or near the second edge 12 and constituting a third face 3.
  • the third packaging material is folded over along a folding part 3f, and disposed between the first packaging material 30A and the second packaging material 30B in the folded state.
  • the second direction D2 may be the machine direction of each of the first packaging material 30A, the second packaging material 30B, and the third packaging material
  • the first direction D1 may be the transverse direction.
  • the third packaging material constituting the third face 3 includes a base layer, and a sealant layer located adjacent to the inner face of the base layer.
  • the second-edge seal 22 extending along the second edge 12 is formed by joining together the first sealant layer 61 of the first packaging material 30A and the sealant layer of the third packaging material, and by joining together the second sealant layer 62 of the second packaging material 30B and the sealant layer of the third packaging material.
  • Fig. 37 is a front view of a modification of the pouch 10.
  • the pouch 10 may be a pillow pouch including a fin seal part 7 extending in the first direction D1 from the first edge 11 to the second edge 12.
  • the fin seal part 7 is located on the first face 1.
  • the fin seal part 7 may be located on the second face 2.
  • the first direction D1 may be the machine direction of the first packaging material 30A and the second packaging material 30B
  • the second direction D2 may be the transverse direction.
  • Fig. 38 is a cross-sectional view of the pouch 10 taken along a line C-C in Fig. 37 .
  • the fin seal part 7 includes a base portion 7a located adjacent to the containment part 8, and a distal end portion 7b located opposite to the base portion 7a.
  • the fin seal part 7 includes a seal located between the base portion 7a and the distal end portion 7b and where the respective first sealant layers 61 of two sheets of first packaging material 30A located at the first face 1 are joined together.
  • the fin seal part 7 includes a seal located between the base portion 7a and the distal end portion 7b and where the respective second sealant layers 62 of two sheets of second packaging material 30B located at the second face are joined together.
  • the base portion 7a of the fin seal part 7 may be located near the third edge 13 or the fourth edge 14 relative to the middle portion of the pouch 10 in the second direction D2.
  • the base portion 7a of the fin seal part 7 is located near the third edge 13 relative to the middle portion of the pouch 10 in the second direction D2. This helps to ensure that the fin seal part 7 does not overlap the hole 4 and the communication part 5.
  • the base portion 7a of the fin seal part 7 may be disposed in the middle portion of the pouch 10 in the second direction D2, and the hole 4 and the communication part 5 may be disposed near the third edge 13 or the fourth edge 14 relative to the middle portion of the pouch 10 in the second direction D2.
  • Figs. 37 and 38 described above illustrate an example in which the fin seal part 7 does not overlap the hole 4 and the communication part 5. However, this is not intended to be limiting.
  • the fin seal part 7 may overlap the hole 4 and the communication part 5.
  • the fin seal part 7 preferably has a larger dimension in the second direction D2 than the hole 4.
  • the first direction D1 may be the machine direction of the first packaging material 30A and the second packaging material 30B
  • the second direction D2 may be the transverse direction.
  • the base portion 7a of the fin seal part 7 may be slightly offset toward the third edge 13 or the fourth edge 14 from the middle portion of the pouch 10 in the second direction D2. This configuration allows the fin seal part 7 to overlap the hole 4 and the communication part 5 while allowing the hole 4 and the communication part 5 to be positioned in the middle portion of the first-edge seal 21 in the second direction D2.
  • reference sign K1 denotes the distance in the first direction D1 from the third edge 13 to the base portion 7a.
  • Reference sign K2 denotes the distance in the first direction D1 from the fourth edge 14 to the base portion 7a.
  • the distance K1 is greater than the distance K2.
  • the base portion 7a is located near the fourth edge 14 relative to the middle portion of the pouch 10 in the second direction D2.
  • the difference between the distance K1 and the distance K2 corresponds to the dimension of the hole 4.
  • the difference between the distance K1 and the distance K2 is, for example, greater than or equal to 5 mm and less than or equal to 50 mm.
  • the first-edge seal 21 may not include the reinforcing part 21a. Even in such a case, according to this modification, the pouch 10 can be provided with sufficient strength in a portion around the periphery of each of the hole 4 and the communication part 5. The reason for this is described below with reference to Fig. 40.
  • Fig. 40 is a cross-sectional view of the pouch 10 taken along a line D-D in Fig. 39 .
  • the fin seal part 7 includes two sheets of first packaging material 30A stacked on each other. Consequently, a portion of the pouch 10 around the periphery of the hole 4 includes the following sheets of packaging material arranged in the order stated below from the fin seal part 7 toward the second face 2: two sheets of first packaging material 30A constituting the fin seal part 7; the first packaging material 30A constituting the first face 1; and the second packaging material 30B constituting the second face 2. That is, a portion of the pouch 10 around the periphery of the hole 4 includes four sheets of packaging material each including a base layer and a sealant layer. This configuration makes it possible to increase the strength of the pouch 10 around the periphery of each of the hole 4 and the communication part 5.
  • Fig. 41 is a front view of a modification of the pouch 10.
  • the pouch 10 may be a side gusset pouch having the fin seal part 7 and provided with a folding part 13f and a folding part 14f, the folding part 13f extending along the third edge 13, the folding part 14f extending along the fourth edge 14.
  • a packaging material identical to the first packaging material 30A and the second packaging material 30B is folded over.
  • the first direction D1 may be the machine direction of the first packaging material 30A and the second packaging material 30B
  • the second direction D2 may be the transverse direction.
  • Fig. 42 is a front view of a modification of the pouch 10.
  • the pouch 10 may include a zipper tape 16 attached to the inner face of the first packaging material 30A and the inner face of the second packaging material 30B.
  • the zipper tape 16 is located near the second edge 12 relative to the easy-opening means 15, and extends in the second direction D2.
  • the zipper tape 16 includes, for example, a protruding tape attached to the inner face of the first packaging material 30A, and a recessed tape attached to the inner face of the second packaging material 30B and capable of mating engagement with the protruding tape.
  • the zipper tape 16 provided to the pouch 10 allows for easy resealing of the pouch 10 after the pouch 10 is opened.
  • the support 71 of the hanging implement 70 has the shape of a circle in cross-section.
  • this is not intended to be limiting.
  • the support 71 may have other shapes in cross-section.
  • Fig. 43 is a perspective view of a modification of the hanging implement 70.
  • the support 71 of the hanging implement 70 may include a flat face 71f located at the top.
  • Fig. 44 is a cross-sectional view of the support 71 when inserted in the hole 4 of the pouch 10.
  • the flat face 71f of the support 71 is configured such that when the support 71 is inserted in the hole 4 of the pouch 10, the flat face 71f does not overlap the first connection point 5x1 of the first line 5x of the communication part 5 in the vertical direction.
  • the support 71 may have the shape of a triangle in cross-section.
  • the support 71 may be configured such that one side of the triangle is located at an upper position.
  • the support 71 is placed such that one side of its triangular cross-section is positioned uppermost in a horizontal manner, and one vertex opposite to the one side of the triangular cross-section is positioned lowermost.
  • horizontal it suffices that the above-mentioned one side be positioned substantially horizontally, and the term conceptually includes technical errors during manufacture or installation.
  • Fig. 45 is a cross-sectional view of a modification of the support 71 of the hanging implement 70.
  • the support 71 may have the shape of a hexagon in cross-section.
  • the support 71 may be configured such that one side of the hexagon is located at an upper position.
  • Fig. 46 is a perspective view of a modification of the hanging implement 70.
  • the support 71 may include the flat face 71f located at the top, and the restraint part 72 may have a circular cross-section.
  • the cross-section of the restraint part 72 may differ in shape from the cross-section of the support 71.
  • the circular cross-section of the restraint part 72 allows the hole 4 of the pouch 10 to be easily passed through the support 71 via the restraint part 72. As described above, it is also possible to directly pass the support 71 through the hole 4 via the communication part 5.
  • the support 71 may be a thin component such as a thread, a rope, or a string.
  • the communication part 5 is connected with the hole 4 at a position that is spaced apart from the proximate position 4c in a direction orthogonal to the center-of-gravity direction. This helps to prevent or inhibit the support 71 from passing through the communication part 5.
  • Fig. 48 is a plan view of the lidded container 17 as seen from a lid 17a.
  • the lidded container 17 includes a container 17b, which includes the containment part 8 and a flange 17c, and the lid 17a, which is joined to the flange 17c of the container 17b.
  • the lidded container 17 has an outer edge that includes the first edge 11, the second edge 12 located opposite to the first edge 11 in the first direction D1, and the third edge 13 and the fourth edge 14, which extend between the first edge 11 and the second edge 12. That is, the outer edge of the lidded container 17 has the shape of a quadrangle.
  • the shape of the outer edge of the lidded container 17 in plan view is not particularly limited.
  • the outer edge of the lidded container 17 may have a circular shape in plan view.
  • the lidded container 17 includes a seal where the inner face of a first packaging material constituting the lid 17a, and the inner face of a second packaging material constituting the container 17b are joined together.
  • the seal on the lidded container 17 includes the first-edge seal 21 extending along the first edge 11, the second-edge seal 22 extending along the second edge 12, the third-edge seal 23 extending along the third edge 13, and the fourth-edge seal 24 extending along the fourth edge 14.
  • first region 19 a region of the lidded container 17 that overlaps the containment part 8 in plan view is referred to as first region 19. Further, a region of the lidded container 17 located between the containment part 8 and the outer edge of the lidded container 17 and including a seal that joins the first packaging material and the second packaging material together is referred to as second region 20.
  • the lidded container 17 includes the hole 4, which is located in the second region 20 and penetrates the first packaging material and the second packaging material.
  • the hole 4 is located in the first-edge seal 21 of the second region 20 between the first edge 11 of the lidded container 17 and the containment part 8.
  • the lidded container 17 includes the communication part 5, which extends from the hole 4 to the outer edge of the lidded container 17 and penetrates the first packaging material and the second packaging material.
  • the communication part 5 is connected with the hole 4 at a position that is spaced apart from the proximate position 4c in a direction orthogonal to the center-of-gravity direction.
  • the hole 4 and the communication part 5 are identical in configuration to the hole 4 and the communication part 5 of the pouch 10, and thus not described in further detail below.
  • Fig. 49 is a cross-sectional view of the lidded container 17 taken along a line E-E in Fig. 48 .
  • Fig. 50 is an enlarged cross-sectional view of the first-edge seal 21 and the containment part 8 of the lidded container 17 illustrated in Fig. 49 .
  • the first packaging material 30A constituting the lid 17a includes at least the first base layer 51, and the first sealant layer 61 located adjacent to the inner face of the first base layer 51.
  • the first packaging material 30A constituting the lid 17a may be similar in configuration to the first packaging material 30A constituting the pouch 10.
  • the second packaging material 30B constituting the container 17b includes at least the second base layer 52.
  • a suitable exemplary material for the second base layer 52 is an unoriented plastic film such as a cast unoriented polypropylene film or an unoriented nylon film.
  • the second base layer 52 may be made of a single layer, or may include a plurality of layers.
  • the second base layer 52 may be a co-extrusion sheet including a first layer made of polypropylene, a second layer made of EVOH or nylon, and a third layer made of polypropylene.
  • EVOH refers to an ethylene-vinyl alcohol copolymer.
  • the second packaging material 30B may include layers other than the second base layer 52.
  • the second packaging material 30B has a thickness of, for example, greater than or equal to 150 ⁇ m and less than or equal to 800 ⁇ m.
  • the container 17b can be fabricated by processing the second packaging material 30B by sheet forming.
  • Sheet forming is a method involving heating and softening a packaging material such as a sheet material, and pressing a die against the resulting material to form a desired shape in the sheet.
  • vacuum forming, air-pressure forming, vacuum/air-pressure forming, or press forming may be employed.
  • the container 17b may be formed by other methods such as injection molding.
  • the first packaging material 30A constituting the lid 17a includes at least one layer located in both the first region 19 and the second region 20.
  • the first base layer 51 and the first sealant layer 61 of the first packaging material 30A are located in both the first region 19 and the second region 20.
  • the second packaging material 30B constituting the container 17b likewise includes at least one layer located in both the first region 19 and the second region 20.
  • the second base layer 52 of the second packaging material 30B is located in both the first region 19 and the second region 20.
  • the support 71 can be inserted into the hole 4 via the communication part 5. This allows the lidded container 17 to be attached to or removed from the support 71 at a desired location on the support 71.
  • Fig. 51 is a cross-sectional view of a modification of the second packaging material 30B of the lidded container 17. As with Fig. 50 , Fig. 51 is an enlarged view of the first-edge seal and the containment part of the lidded container illustrated in Fig. 49 .
  • the second packaging material 30B constituting the container 17b may include the second base layer 52, and the second sealant layer 62 located adjacent to the inner face of the second base layer 52.
  • the second base layer 52 may include an oriented plastic film oriented along at least one axis, preferably along two axes.
  • the second sealant layer 62 to be used may be the same as the second sealant layer 62 of the second packaging material 30B of the pouch 10.
  • the second packaging material 30B has a thickness of, for example, greater than or equal to 60 ⁇ m and less than or equal to 200 ⁇ m.
  • a portion of the second region 20 where the hole 4 is located preferably has a predetermined flexural rigidity in at least one direction.
  • the above-mentioned portion preferably has a mean flexural rigidity of greater than or equal to 15 g ⁇ cm 2 /cm.
  • the above-mentioned portion preferably has an initial flexural rigidity of greater than or equal to 22 g ⁇ cm 2 /cm.
  • the specimen 80 is cut out from a portion of the second region 20 that has the same layer structure as the portion of the second region 20 where the hole 4 is located. This allows initial flexural rigidity and mean flexural rigidity to be measured in the machine direction and the transverse direction.
  • the preferred ranges of values for the initial flexural rigidity and the mean flexural rigidity in the machine direction and the transverse direction are identical to those in the case of the pouch 10, and thus not described in further detail below.
  • Fig. 52 is a plan view of the tube 18 as seen from the first face 1.
  • the tube 18 includes a tubular body part 18a, and a mouth part 18b.
  • a cap 18c may be attached to the mouth part 18b.
  • the body part 18a is made of a packaging material.
  • the body part 18a includes a first packaging material constituting the first face 1, and a second packaging material constituting the second face 2.
  • the containment part 8 for containing contents is provided between the first face 1 and the second face 2.
  • the first packaging material and the second packaging material are obtained by forming a single sheet of packaging material into a tubular form.
  • the body part 18a of the tube 18 has an outer edge that includes the first edge 11, the second edge 12 located opposite to the first edge 11 in the first direction D1, and the third edge 13 and the fourth edge 14, which extend between the first edge 11 and the second edge 12.
  • the body part 18a of the tube 18 includes a seal where the inner face of the first packaging material constituting the first face 1, and the inner face of the second packaging material constituting the second face 2 are joined together.
  • the seal on the body part 18a includes the first-edge seal 21 extending along the first edge 11.
  • the body part 18a of the tube 18 includes a joint 6, which extends on the first face 1 from the first edge 11 to the second edge 12 in the first direction D1.
  • the joint 6 includes a seal where the inner face at one end of a single sheet of packaging material constituting each of the first packaging material and the second packaging material, and the outer face at the other end of the single sheet of packaging material are joined together.
  • the joint 6 may be located on the second face 2.
  • first region 19 a region of the body part 18a of the tube 18 that overlaps the containment part 8 in plan view is referred to as first region 19.
  • second region 20 A region located between the containment part 8 and the outer edge of the body part 18a and including a seal that joins the first packaging material and the second packaging material together is referred to as second region 20.
  • the body part 18a of the tube 18 includes the hole 4, which is located in the second region 20 and penetrates the first packaging material and the second packaging material.
  • the hole 4 is located in the first-edge seal 21 of the second region 20 between the first edge 11 of the body part 18a and the containment part 8.
  • the body part 18a includes the communication part 5, which extends from the hole 4 to the outer edge of the body part 18a and penetrates the first packaging material and the second packaging material.
  • the communication part 5 is connected with the hole 4 at a position that is spaced apart from the proximate position 4c in a direction orthogonal to the center-of-gravity direction.
  • the hole 4 and the communication part 5 are identical in configuration to the hole 4 and the communication part 5 of the pouch 10, and thus not described in further detail below.
  • Fig. 53 is a cross-sectional view of the body part 18a of the tube 18 taken along a line F-F in Fig. 52 .
  • the first packaging material 30A constituting the first face 1 includes at least the first base layer 51, and the first sealant layer 61 located adjacent to the inner face of the first base layer 51.
  • the first packaging material 30A may include a third sealant layer 63 located adjacent to the outer face of the first base layer 51.
  • the first base layer 51 of the first packaging material 30A may be similar in configuration to the first base layer 51 of the first packaging material 30A that constitutes the pouch 10 or the lid 17a mentioned above.
  • the first sealant layer 61 and the third sealant layer 63 may be similar in configuration to the first sealant layer 61 of the first packaging material 30A that constitutes the pouch 10 or the lid 17a mentioned above.
  • the second packaging material 30B constituting the second face 2 includes at least the second base layer 52, and the second sealant layer 62 located adjacent to the inner face of the second base layer 52.
  • the second packaging material 30B may include a fourth sealant layer 64 located adjacent to the outer face of the second base layer 52.
  • the second base layer 52, the second sealant layer 62, and the fourth sealant layer 64 of the second packaging material 30B may be similar in their material, thickness, or other configuration to the first base layer 51, the first sealant layer 61, and the third sealant layer 63 of the first packaging material 30A.
  • the thickness of each of the first packaging material 30A and the second packaging material 30B is, for example, greater than or equal to 150 ⁇ m.
  • the thickness of each of the first packaging material 30A and the second packaging material 30B may be greater than or equal to 200 ⁇ m, or may be greater than or equal to 250 ⁇ m.
  • the thickness of each of the first packaging material 30A and the second packaging material 30B may be less than or equal to 500 ⁇ m, may be less than or equal to 400 ⁇ m, or may be less than or equal to 300 ⁇ m.
  • the first packaging material 30A constituting the first face 1 of the body part 18a includes at least one layer located in both the first region 19 and the second region 20.
  • the first base layer 51, the first sealant layer 61, and the third sealant layer 63 of the first packaging material 30A are located in both the first region 19 and the second region 20.
  • the second packaging material 30B constituting the second face 2 of the body part 18a likewise includes at least one layer located in both the first region 19 and the second region 20.
  • the second base layer 52, the second sealant layer 62, and the fourth sealant layer 64 of the second packaging material 30B are located in both the first region 19 and the second region 20.
  • the support 71 can be inserted into the hole 4 via the communication part 5. This allows the tube 18 to be attached to or removed from the support 71 at a desired location on the support 71.
  • a portion of the second region 20 where the hole 4 is located preferably has a predetermined flexural rigidity in at least one direction.
  • the above-mentioned portion preferably has a mean flexural rigidity of greater than or equal to 15 g ⁇ cm 2 /cm.
  • the above-mentioned portion preferably has an initial flexural rigidity of greater than or equal to 22 g ⁇ cm 2 /cm.
  • the specimen 80 is cut out from a portion of the second region 20 that has the same layer structure as the portion of the second region 20 where the hole 4 is located. This allows initial flexural rigidity and mean flexural rigidity to be measured in the machine direction and the transverse direction.
  • the preferred ranges of values for the initial flexural rigidity and the mean flexural rigidity in the machine direction and the transverse direction are identical to those in the case of the pouch 10, and thus not described in further detail below.
  • the modifications of the communication part 5 illustrated in Figs. 12 to 17 may be combined with the modifications of the pouch illustrated in Figs. 34 to 42 , may be combined with the lidded container 17 illustrated in each of Figs. 48 to 51 , or may be combined with the tube 18 illustrated in each of Figs. 52 and 53 .
  • the modifications of the hole 4 and the communication part 5 illustrated in Figs. 18 to 26C may be combined with the modifications of the pouch illustrated in Figs. 34 to 42 , may be combined with the lidded container 17 illustrated in each of Figs. 48 to 51 , or may be combined with the tube 18 illustrated in each of Figs. 52 and 53 .
  • the specimen 80 including four stacked sheets of packaging material was created. Each single sheet of packaging material has a thickness of 82 ⁇ m. The overall thickness of the specimen 80 was thus 328 ⁇ m.
  • the specimen 80 described above has a layer structure that corresponds to the layer structure illustrated in Fig. 39 , that is, the layer structure of a region around the periphery of the hole 4 formed in the fin seal part 7, or to the layer structure illustrated in Fig. 30 , that is, the layer structure of a region around the periphery of the hole 4 formed in a region overlapping the reinforcement 55 made of a folded packaging material.
  • Each single sheet of packaging material has a layer structure represented below.
  • the symbol "/" represents the boundary between adjacent layers.
  • the layer at the left end represents a layer defining the outer face of the packaging material, and the layer at the right end represents a layer defining the inner face of the packaging material.
  • POP means a biaxially-oriented polypropylene film.
  • PE means a poly-olefin resin layer using polyethylene.
  • APET means a biaxially-oriented PET film with a vapor-deposited aluminum layer.
  • CPP means a cast polypropylene film. The numerals denote the thicknesses of the corresponding layers (unit: ⁇ m).
  • the flexural rigidity of the specimen 80 in each of the machine direction and the transverse direction was measured.
  • a pure-bending characteristic tester JTC-911BT manufactured by SMT Co., Ltd. was used as the measuring instrument. The measurement was performed under the environment of a temperature of 25°C and a relative humidity of 50%.
  • the mean flexural rigidity in the machine direction was 28.1 g ⁇ cm 2 /cm, and the mean flexural rigidity in the transverse direction was 19.8 g ⁇ cm 2 /cm.
  • the initial flexural rigidity in the machine direction was 55.0 g ⁇ cm 2 /cm, and the initial flexural rigidity in the transverse direction was 24.7 g ⁇ cm 2 /cm.
  • the specimen 80 was created in the same manner as in Example A1, except that the specimen 80 is made up of two sheets of packaging material.
  • the specimen 80 had a thickness of 164 ⁇ m.
  • Example A1 the flexural rigidity of the specimen 80 in each of the machine direction and the transverse direction was measured.
  • the mean flexural rigidity in the machine direction was 7.8 g ⁇ cm 2 /cm
  • the mean flexural rigidity in the transverse direction was 9.5 g ⁇ cm 2 /cm.
  • the initial flexural rigidity in the machine direction was 11.4 g ⁇ cm 2 /cm
  • the initial flexural rigidity in the transverse direction was 14.2 g ⁇ cm 2 /cm.
  • the specimen 80 made of a biaxially-oriented PET film was prepared.
  • the specimen 80 had a thickness of 150 ⁇ m.
  • Example A1 the flexural rigidity of the specimen 80 in each of the machine direction and the transverse direction was measured.
  • the mean flexural rigidity in the machine direction was 14.7 g ⁇ cm 2 /cm
  • the mean flexural rigidity in the transverse direction was 15.9 g ⁇ cm 2 /cm.
  • the initial flexural rigidity in the machine direction was 21.2 g ⁇ cm 2 /cm
  • the initial flexural rigidity in the transverse direction was 22.3 g ⁇ cm 2 /cm.
  • the pouch 10 illustrated in Fig. 1A was fabricated by using the same packaging material as that used in Example A1. Specifically, the same packaging material as that used in Example A1 was used as each of the first packaging material 30A constituting the first face 1 and the second packaging material 30B constituting the second face 2. Further, the packaging material according to Example A1 folded in two as illustrated in Fig. 30 was used as the reinforcement 55 of the reinforcing part 21a.
  • the pouch 10 had a thickness of 328 ⁇ m around the hole 4.
  • the hole 4 had a diameter of 8 mm.
  • a load was applied to the pouch 10 with the hanging implement 70 inserted in the hole 4 of the pouch 10 to thereby measure the maximum value of load that the pouch 10 is able to withstand.
  • the support 71 of the hanging implement which has a circular cross-section with a diameter of 6 mm, was inserted into the hole 4 located near the first edge 11 of the pouch 10.
  • the second edge 12 located opposite to the first edge 11 was pulled upward by using a scale 90.
  • a scale 90 was pulled upward.
  • the scale used was PORTABLE ELECTRONIC SCALE WH-A04 manufactured by WeiHeng.
  • the measurement was taken five times, and for each measurement, the maximum value of load applied to the scale was recorded. The results are illustrated in Fig. 55 .
  • the mean of the measured maximum values of load was 209.8 g.
  • the pouch 10 illustrated in Fig. 57 was fabricated by using the same packaging material as that used in Example A1.
  • the communication part 5 is connected with the hole 4 at the proximate position 4c.
  • the pouch 10 had a thickness of 328 ⁇ m around the hole 4.
  • Example B1 the maximum value of load that the pouch 10 is able to withstand was measured.
  • the results are illustrated in Fig. 55 .
  • the mean of the measured maximum values of load was 143.2 g.
  • Example B1 Five panelists evaluated the stability of the pouch 10 hung on the support 71 of the hanging implement. The results are illustrated in Fig. 56 . Panelists 1 to 5 all evaluated the pouch 10 as "good”. The evaluation "good” means that the pouch 10 did not fall when a panelist touched the pouch 10 but fell when the panelist twisted the pouch 10.
  • the pouch 10 was fabricated in the same manner as in Reference Example B1, except that the pouch 10 does not include the reinforcing part 21a.
  • the pouch 10 had a thickness of 164 ⁇ m around the hole 4.
  • Example B1 Five panelists evaluated the stability of the pouch 10 hung on the support 71 of the hanging implement. The results are illustrated in Fig. 56 . Panelists 1 to 5 all evaluated the pouch 10 as "bad”. The evaluation "bad” means that the pouch 10 fell when a panelist simply touched the pouch 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Bag Frames (AREA)
  • Tubes (AREA)
  • Packages (AREA)
EP21754123.4A 2020-02-14 2021-02-12 Beutel, mit deckel versehener behälter und tube Withdrawn EP4105138A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020023786 2020-02-14
JP2020207037A JP7112683B2 (ja) 2020-02-14 2020-12-14 パウチ、蓋付容器及びチューブ
PCT/JP2021/005369 WO2021162116A1 (ja) 2020-02-14 2021-02-12 パウチ、蓋付容器及びチューブ

Publications (1)

Publication Number Publication Date
EP4105138A1 true EP4105138A1 (de) 2022-12-21

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Application Number Title Priority Date Filing Date
EP21754123.4A Withdrawn EP4105138A1 (de) 2020-02-14 2021-02-12 Beutel, mit deckel versehener behälter und tube

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US (1) US20230086780A1 (de)
EP (1) EP4105138A1 (de)
JP (1) JP7249534B2 (de)
WO (1) WO2021162116A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230166903A1 (en) * 2021-11-29 2023-06-01 John William Benzick Flower Hydrating Transport Pouch Device

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2788121A (en) * 1956-07-25 1957-04-09 Pioneer Rubber Company Article hanger support
JPS48102084U (de) * 1972-02-29 1973-11-30
JPS5225838B2 (de) * 1972-04-05 1977-07-09
JPS54149521U (de) * 1978-04-07 1979-10-17
JPS5920134B2 (ja) * 1978-05-17 1984-05-11 日本テレビジヨン工業株式会社 テレビジョン画像の領域信号形成回路
JPS63131932A (ja) * 1986-11-25 1988-06-03 Sumitomo Metal Ind Ltd 板状発熱体及び床暖房用パネル
JPS63131932U (de) * 1987-02-23 1988-08-29
JP3030645U (ja) * 1996-04-26 1996-11-01 株式会社ショーエイコーポレーション 包装用袋
JP2936410B1 (ja) * 1998-04-23 1999-08-23 株式会社ヤマガタグラビヤ 吊下陳列用商品包装袋
US6651810B2 (en) * 2001-03-29 2003-11-25 Kentucky Derby Hosiery Co., Inc. Hosiery displaying device with arrayed multiplicity of hosiery attachment openings
JP4834926B2 (ja) 2001-06-29 2011-12-14 大日本印刷株式会社 吊下げタイプの包装袋
JP2003170948A (ja) * 2001-12-04 2003-06-17 Mitsunori Hara 引っかけ部つきチューブ容器
JP2004149207A (ja) * 2002-10-28 2004-05-27 Katsuhiko Inoue 懸垂式押出しチユーブ
JP2005096801A (ja) 2003-09-24 2005-04-14 Rapuropakku:Kk 物品収容装置
JP2005119736A (ja) 2003-10-14 2005-05-12 Keiko Konno チューブ吊り
JP2020164252A (ja) * 2019-03-29 2020-10-08 大日本印刷株式会社 パウチ、蓋付容器及びチューブ
JP2020164249A (ja) * 2020-01-17 2020-10-08 大日本印刷株式会社 パウチ

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US20230086780A1 (en) 2023-03-23
JP2022132620A (ja) 2022-09-08
JP7249534B2 (ja) 2023-03-31

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