WO2019106984A1 - Sachet - Google Patents

Sachet Download PDF

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Publication number
WO2019106984A1
WO2019106984A1 PCT/JP2018/038297 JP2018038297W WO2019106984A1 WO 2019106984 A1 WO2019106984 A1 WO 2019106984A1 JP 2018038297 W JP2018038297 W JP 2018038297W WO 2019106984 A1 WO2019106984 A1 WO 2019106984A1
Authority
WO
WIPO (PCT)
Prior art keywords
pouch
notch
film
unsealed
crotch
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.)
Ceased
Application number
PCT/JP2018/038297
Other languages
English (en)
Japanese (ja)
Inventor
勝弘 本郷
三浦　崇
史絵 松永
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.)
Toyo Seikan Group Holdings Ltd
Toyo Seikan Co Ltd
Original Assignee
Toyo Seikan Kaisha Ltd
Toyo Seikan 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
Application filed by Toyo Seikan Kaisha Ltd, Toyo Seikan Co Ltd filed Critical Toyo Seikan Kaisha Ltd
Priority to JP2019557057A priority Critical patent/JPWO2019106984A1/ja
Publication of WO2019106984A1 publication Critical patent/WO2019106984A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • B65D33/00—Details of, or accessories for, sacks or bags

Definitions

  • the present invention relates to a pouch which is formed in a bag shape by forming an outer peripheral seal portion obtained by heat-adhering a film on the front and back, and for storing the content liquid in a storage portion inside the outer peripheral seal portion.
  • the container is formed into a bag shape by forming an outer peripheral seal portion to which a film on the front and back is thermally bonded as a container for containing a content liquid such as a beverage or detergent, and the content liquid is contained in the container inside the outer peripheral seal portion.
  • a pouch for containing is widely used, and in such a pouch, a film formed by cutting out a part of the outer peripheral seal portion 120 as shown in FIG. 4 in order to tear the film and make it easy to open the pouch.
  • It is known to form a notch 150 for giving a crack of breakage and a weakened tear-off line 160 which extends from the notch 150 to the inside of the housing part 130 to induce breakage of the film see, for example, Patent Document 1).
  • the above phenomenon is specifically described.
  • the entire shape of the pouch 110 is caused so that the pouch 110 collapses in the vertical direction due to the weight of the content fluid. Deformation occurs.
  • a portion 120a of the outer peripheral seal portion 120 located above the notch 150 and a portion of the outer peripheral seal portion 120 located below the notch 150 is shown in FIG. 4, according to the deformation of the entire shape of the pouch 110, as shown in FIG. 4, a portion 120a of the outer peripheral seal portion 120 located above the notch 150 and a portion of the outer peripheral seal portion 120 located below the notch 150.
  • the present invention is intended to solve these problems, and it is an object of the present invention to provide a pouch with a simple configuration that prevents breakage of the film and leakage of the content liquid when the pouch is dropped onto a floor or the like. It is said that.
  • the present invention is a pouch which is formed in a bag shape by forming an outer peripheral seal portion obtained by thermally bonding films on the front and back sides, and the content liquid is stored in the storage portion inside the outer peripheral seal portion.
  • An unsealed portion formed in contact with the outer edge of the pouch, a notch formed in the unsealed portion, and an inner seal portion positioned inside the unsealed portion of the outer peripheral seal portion; The problem is solved by the formation of a weakening tear line extending to the inside.
  • the outer peripheral seal portion has the control seal portions formed respectively in front of and behind the non-sealed portion, whereby the user can work around the notch when opening the pouch.
  • the relative displacement of the front and back films is suppressed by the front and back control seals when picking up the film, and the positions of the respective notched crotch portions respectively formed on the front and back films are kept coincident or close to each other. It is possible to easily perform the film breaking operation starting from the notch crotch.
  • the distance from the notched crotch to the inner seal in a direction orthogonal to the extending direction is L1
  • the distance from the notched crotch to the control seal in the extending direction is L2.
  • L1 is set to 0.5 to 16 mm
  • L2 is set to 0.5 to 20 mm.
  • Explanatory drawing which shows the pouch which concerns on one Embodiment of this invention.
  • Explanatory drawing which shows the modification of a pouch.
  • Explanatory drawing which shows the result of the drop test which evaluates the performance of a pouch.
  • Explanatory drawing which shows the conventional pouch.
  • the pouch 10 is formed in a bag shape by forming the outer peripheral sealing portions 20 on the four sides of the film 11 by heat bonding the front and back films 11, and the housing portion 30 inside the outer peripheral sealing portions 20. Contains the content fluid.
  • an unsealed portion 40 formed in contact with the pouch outer edge 12, a notch 50 in which a portion of the pouch outer edge 12 is cut away, and a film 11 starting from the notch 50 And a weakened tear-off line 60 which induces the fracture of the
  • the unsealed portion 40 is a portion where the front and back films 11 are not thermally bonded, and in this embodiment, a part of the outer edge of the unsealed portion 40 is the left edge of the pouch outer edge 12 It forms in the left side part and right side part of the pouch 10, respectively so that the part 12a or the right edge 12b may be touched.
  • peripheral seal portion 20 is a portion located around the non-sealed portion 40, as shown in FIG. 1, the inner seal portion 21 located on the inner side (the housing portion 30 side) of the non-sealed portion 40 In the extending direction of the left edge 12a or the right edge 12b of 12, the control seal portion 22 formed on the front and the rear of the unsealed portion 40, respectively.
  • the notch 50 is formed by cutting out the left edge 12 a and the right edge 12 b of the pouch outer edge 12 in a V-shape toward the inside.
  • Each notch 50 is entirely formed in the unsealed portion 40 including the notch crotch 51.
  • the entire notches 50 are respectively formed on the front and back films 11 not thermally bonded in the unsealed portion 40. It is done.
  • the weakened cut line 60 is formed so as to be weak in strength as compared with the other portions of the film 11 and easy to break, and induces the break of the film 11 started from the notch crotch 51.
  • the weakening cut line 60 is constituted by a cut groove (a groove which does not penetrate the film 11 in the front and back direction) extending linearly on the inner surface or the outer surface of the film 11.
  • the weakening tear line 60 is a notch crotch 51 of the notch 50 on the left side of the pouch 10 and a notch crotch 51 of the notch 50 on the right side of the pouch 10. It is formed to connect the More specifically, the weakened cut line 60 has a left unsealed portion 40, a left outer circumferential seal portion 20 (inner seal portion 21), an accommodation portion 30, and a right outer circumferential seal portion 20 from the left notch crotch 51. (The inner seal portion 21) reaches the notch crotch portion 51 of the notch 50 on the right side through the unsealed portion 40 on the right side.
  • the specific mode of the weakened cut line 60 is not limited to the one formed to connect the left and right notch crotch portions 51 as described above, and passes through the inner seal portion 21 from a predetermined location in the unsealed portion 40. Any material may be used as long as it extends at least to the inside of the housing 30.
  • the weakened cut line 60 is a portion of the notch 50 other than the notch crotch 51 (or a peripheral portion of the notch 50 in the unsealed portion 40). And a predetermined place in the storage unit 30 may be formed.
  • the unsealed part 40 is formed with the following dimensions.
  • L1 is 0 It is set at .5 to 16 mm.
  • L2 is set to 0.5 to 20 mm.
  • the unsealed portion 40 As described above, by forming the unsealed portion 40, the flexibility of each film 11 around the notch 50 and the independent mobility of each film 11 are secured, and the pouch 10 is dropped to the floor or the like. While avoiding breakage of the notch crotch 51, relative displacement of the film 11 on the front and back can be suppressed, and the openability of the pouch 10 can be favorably secured.
  • the thickness of the film 11 is set to 25 to 200 ⁇ m.
  • the distance L2 from the notch crotch 51 to the control seal 22 on the front side and the rear side from the notch crotch 51 may be set so that the distances L2 are different from each other.
  • the structural difference between the pouch 10 of the present application used in the test and the conventional pouch 110 is only the presence or absence of the formation of the unsealed portion 40, and other conditions such as the dimensions of the other portions and the material of the film 11 Are identical.
  • any specific embodiment of the film 11 constituting the pouch 10 may be used, and specific examples thereof include synthetic resin films such as polyester, polypropylene, polyamide, polyethylene, ethylene-vinyl alcohol copolymer, etc., and their synthesis
  • a film formed by laminating a known synthetic resin film such as a coating film or a vapor deposited film having a gas barrier property or a moisture barrier property on a resinous film, or laminating a paper or an aluminum foil on a synthetic resin film can be mentioned.
  • the pouch 10 is described as being formed into a bag shape by thermally bonding the four sides of the two films 11, but the specific mode of the pouch 10 is not limited to this, for example, Any one may be used, such as one obtained by forming the pouch 10 into a bag shape by folding one sheet of film 11 in two and thermally bonding the remaining three sides other than the folded sides.
  • the entire shape of the pouch 10 may be any shape such as a trapezoidal shape or an irregular shape with some unevenness, other than the square shape shown in the above-described embodiment.
  • the specific aspect of the content liquid of the pouch 10 is not limited to a liquid, It may be a fluid in which a solid and a liquid are mixed.
  • the unsealed portion 40 and the notch 50 are formed on the two opposing sides (left side portion and right side portion) of the pouch 10, respectively. 50 may be formed in at least one place of the pouch 10, as shown in FIG. Moreover, although the unsealed part 40 demonstrated as what is partially formed around the notch 50 in embodiment mentioned above, the specific aspect of the unsealed part 40 is not limited above, For example, a figure As shown in 2, the unsealed portion 40 may be formed over the entire area of the left side portion of the pouch 10.
  • the unsealed part 40 demonstrated as what is formed in square shape in embodiment mentioned above, the concrete shape of the unsealed part 40 is comprised, for example at least one part of the outer edge from a curve Or any shape such as an irregular shape with a part of the outer edge thereof.
  • the notch 50 is described as a V-notch in which the V-shaped notch is provided in the film 11.
  • the specific aspect of the notch 50 is not limited to the V-notch. As shown in FIG. 2, any one may be used, such as an I-notch provided with a linear cut or a U-notch provided with a U-shaped notch.
  • the notch 50 was formed in the aspect of what is called a single notch which forms the single notch 50 in each edge
  • the notch 50 which makes weakening parts, such as a fine mark of scars and perforations, a trigger of opening may be formed.
  • the weakening tearing line 60 is described as being formed by providing a cutting groove extending linearly on the inner surface or the outer surface of the film 11, the weakening tearing line 60 is other than the film 11.
  • the specific embodiment may be any as long as the strength is weak and easy to break as compared with the place.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)

Abstract

L'invention a pour objet de mettre en œuvre un sachet qui, avec une configuration simple, empêche la rupture d'un film et la fuite d'un fluide de contenu quand le sachet est lâché et tombe sur le sol, etc., ce sachet (10) étant réalisé en forme de sac par la formation d'une section d'étanchéité circonférentielle extérieure (20) obtenue par thermocollage de films avant et arrière (11) ensemble et contenant le fluide de contenu dans une section de confinement (30) plus loin vers l'intérieur par rapport à la section d'étanchéité circonférentielle extérieure (20). Le sachet (10) comporte à l'intérieur : une section non scellée (40) qui est formée de façon à venir se mettre en butée contre un bord extérieur (12) du sachet ; une encoche (50) formée dans la section non scellée (40) ; et une ligne de déchirure affaiblie (60) qui passe au travers d'une section d'étanchéité intérieure (21) de la section d'étanchéité circonférentielle extérieure (20) et s'étend vers l'intérieur de la section de confinement (30).
PCT/JP2018/038297 2017-11-29 2018-10-15 Sachet Ceased WO2019106984A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2019557057A JPWO2019106984A1 (ja) 2017-11-29 2018-10-15 パウチ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017228598 2017-11-29
JP2017-228598 2017-11-29

Publications (1)

Publication Number Publication Date
WO2019106984A1 true WO2019106984A1 (fr) 2019-06-06

Family

ID=66664405

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/038297 Ceased WO2019106984A1 (fr) 2017-11-29 2018-10-15 Sachet

Country Status (2)

Country Link
JP (1) JPWO2019106984A1 (fr)
WO (1) WO2019106984A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7487012B2 (ja) 2020-05-29 2024-05-20 朋和産業株式会社 包装袋及び包装袋の製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2329360A (en) * 1941-11-29 1943-09-14 Ivers Lee Co Package openable by tearing
JPS5838577U (ja) * 1981-09-09 1983-03-12 住友ベークライト株式会社 易開封性包装体
JPH09132269A (ja) * 1995-11-09 1997-05-20 Nakamura Seitai Kk 液体用袋
JP2005193953A (ja) * 2004-01-08 2005-07-21 E-Wraps Kk 易開封袋
JP2015193420A (ja) * 2014-03-28 2015-11-05 共同印刷株式会社 袋体

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2329360A (en) * 1941-11-29 1943-09-14 Ivers Lee Co Package openable by tearing
JPS5838577U (ja) * 1981-09-09 1983-03-12 住友ベークライト株式会社 易開封性包装体
JPH09132269A (ja) * 1995-11-09 1997-05-20 Nakamura Seitai Kk 液体用袋
JP2005193953A (ja) * 2004-01-08 2005-07-21 E-Wraps Kk 易開封袋
JP2015193420A (ja) * 2014-03-28 2015-11-05 共同印刷株式会社 袋体

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7487012B2 (ja) 2020-05-29 2024-05-20 朋和産業株式会社 包装袋及び包装袋の製造方法

Also Published As

Publication number Publication date
JPWO2019106984A1 (ja) 2020-07-09

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