EP1783060A1 - Befestigungsglied und verpackungsbeutelkörper mit dem befestigungsglied - Google Patents

Befestigungsglied und verpackungsbeutelkörper mit dem befestigungsglied Download PDF

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Publication number
EP1783060A1
EP1783060A1 EP05768544A EP05768544A EP1783060A1 EP 1783060 A1 EP1783060 A1 EP 1783060A1 EP 05768544 A EP05768544 A EP 05768544A EP 05768544 A EP05768544 A EP 05768544A EP 1783060 A1 EP1783060 A1 EP 1783060A1
Authority
EP
European Patent Office
Prior art keywords
fastener
joining portion
packaging bag
flange portion
thickness
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Withdrawn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
EP05768544A
Other languages
English (en)
French (fr)
Other versions
EP1783060A4 (de
Inventor
Naoki c/o C.I. Kasei Company Limited HATAKEYAMA
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.)
CI Kasei Co Ltd
Original Assignee
CI Kasei 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 CI Kasei Co Ltd filed Critical CI Kasei Co Ltd
Publication of EP1783060A1 publication Critical patent/EP1783060A1/de
Publication of EP1783060A4 publication Critical patent/EP1783060A4/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Withdrawn legal-status Critical Current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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
    • B65D33/2541—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor characterised by the slide fastener, e.g. adapted to interlock with a sheet between the interlocking members having sections of particular shape
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/24—End- or aperture-closing arrangements or devices using self-locking integral or attached closure elements, e.g. flaps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
    • B65D33/2516—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener
    • B65D33/2525—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener located between the fastener and the product compartment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
    • B65D33/2516—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener
    • B65D33/2533—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener the slide fastener being located between the product compartment and the tamper indicating means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45152—Each mating member having similarly shaped, sized, and operated interlocking or intermeshable face

Definitions

  • the present invention relates to a fastener and a packaging bag with a fastener, which is capable of preventing contents from leaking to an opening side of the fastener until a consumer utilizes the fastener even if the content is a liquid, cutting a joining portion off easily so as to open the bag when the content is taken out therefrom, fastening repeatedly and opening again after the bag is opened.
  • a fastener and a packaging bag with a fastener which is capable of preventing contents from leaking to an opening side of the fastener until a consumer utilizes the fastener even if the content is a liquid, cutting a joining portion off easily so as to open the bag when the content is taken out therefrom, fastening repeatedly and opening again after the bag is opened.
  • a packaging bag with a fastener which is equipped with a pair of fastening members consisting of a male member and a female member at an opening portion of the bag and capable of opening and closing repeatedly, has been used in various fields such as food, medicine, miscellaneous goods, etc.
  • various countermeasures such as applying an easily removable film between a fastening member and a raw material film, applying an easily removable layer in a fastening member or a raw material film, etc. so as to form an easily-removable joining portion further at a non-opening side of the fastening member, have been performed in the case in which it is required to prevent the contents from flowing out from the bag completely.
  • Patent document 1 Japanese Unexamined Patent Application, First Publication No. H11-285518
  • the inventors of the present invention have thoroughly researched in order to solve the above problems, and as a result, they have found that the above problems can be solved by joining the end portion of a non-opening side flange portion of a male member side with the end portion of a non-opening side flange portion of a female member side using a member having a specific thickness, and disposing a ridge having a specific thickness between the joining portion and the flange portion, and completed the present invention.
  • a first aspect of the present invention is a fastener including a male member and a female member being engageable with each other, a joining portion whereby an end of the non-opening side flange portion of the male member is joined with an end of the non-opening side flange portion of the female member, and a ridge portion formed between the joining portion and the flange portion, in which the joining portion has a thickness ranging from not less than 10 ⁇ m to not more than 100 ⁇ m, the ridge portion has a thickness ranging from not less than 200 ⁇ m to not more than 2 mm, the joining portion is thinner than the flange portion, and the ridge portion is thicker than the flange portion.
  • a second aspect of the present invention is a packaging bag with a fastener, produced by fusing the fastener as set forth in the first aspect of the present invention to a bag to form a packaging bag.
  • the fastener and the packaging bag in accordance with the present invention can prevent the contents from leaking out even if the content is a substance having high fluidity, and which can cut the joining portion off easily when opening the packaging bag to take the contents out therefrom.
  • a joining portion 2 has a thickness that ranges from not less than 10 ⁇ m to not more than 100 ⁇ m, preferably ranges from not less than 20 ⁇ m to not more than 80 ⁇ m, more preferably ranges from not less than 20 ⁇ m to not more than 50 ⁇ m, and still more preferably ranges from not less than 30 ⁇ m to not more than 50 ⁇ m.
  • the reason the thickness of the joining portion 2 is regulated within the above range is that if the thickness is less than 10 ⁇ m, then the joining portion 2 may be broken due to friction, etc., or due to lack of strength when filling with a content, although the joining portion 2 can be easily cut off. On the other hand, if the thickness is more than 100 ⁇ m, then the joining portion 2 has an excessive strength, and hence it becomes difficult to cut the joining portion 2 off easily.
  • a ridge portion 3 is disposed between the joining portion 2 and the flange portion 4, and the thickness of the ridge portion 3 ranges from not less than 200 ⁇ m to not more than 2 mm, preferably ranges from not less than 300 ⁇ m to not more than 1.5 mm, and more preferably ranges from not less than 300 ⁇ m to not more than 1.0 mm.
  • the ridge portion 3 is disposed to accelerate the concentration of stress at the joining portion 2, and if no ridge portion 3 is disposed, then the boundary between the joining portion 2 and the flange portion 4 becomes unclear, and as a result it becomes impossible to cut the joining portion 2 off easily.
  • the thickness of the ridge portion 3 is less than 200 ⁇ m, then the difference in thickness between the joining portion 2 and the ridge portion 3 is too small, and as a result, stress is hardly concentrated at the joining portion 2.
  • the thickness of the ridge portion 3 is more than 2 mm, then the amount of resin at the ridge portion 3 becomes too large, and as a result, the ridge portion 3 cannot be completely squashed down in side-sealing during the bag-production process causing bag-production defects. In addition, it is likely to inhibit the engaging or breaking of the joining portion 3 when engaging the male member with the female member.
  • the resin which constitutes the fastener of the present invention is not particularly limited, polyolefin type resins, such as polyethylene, polypropylene, etc. are preferably used, and a resin composition consisting of two or more resins may be used.
  • the shape and the number of each of the male member and the female member are not particularly limited, and an arbitrary shape may be used as long as it has reopenable and reclosable function.
  • the method for producing the fastener of the present invention is not particularly limited, and a well-known method such as one that includes extruding a resin which has been melted and kneaded from a die using an extruder, and then cooling the resultant resin and molding it can be used.
  • a packaging bag can be produced by the method including the step of thermally fusing the fastener of the present invention onto a base material film.
  • the fastener and the packaging bag of the present invention can also be favorably used for packaging a fluid or liquid content, such as curry sauce, rice gruel, baste, bean jam, a flavoring material, etc., in addition to a dry substance, or a solid material.
  • a fluid or liquid content such as curry sauce, rice gruel, baste, bean jam, a flavoring material, etc.
  • the cutting-off performance of a joining portion at the time of opening was evaluated by the following method.
  • Each of a flange portion 41 of a non-opening side of a male member and a flange portion 42 of a non-opening side of a female member was pinched by a thumb and a forefinger, and it was stretched to evaluate the cutting-off performance of the joining portion 2.
  • the evaluation standard is as follows.
  • a packaging bag with a fastener was produced by placing a fastener portion with a width of 140 mm and a length of 210 mm on a position which was apart by 30 mm from an upper end of the bag, and then heat sealing the upper end and the side portion of the bag with a width of 10 mm. 200 ml of water was filled into the resultant packaging bag with a fastener from the bottom, and the bottom was heat-sealed with a width of 10 mm. The resultant bag was dropped from a height of 1m and it was confirmed whether the water was leaked or not. Evaluation standard is as follows.
  • a resin consisting of 100% by weight of ethylene propylene copolymer (Sumitomo Noblen (trademark) FS3611 made by Sumitomo Chemical Co., Ltd.) was used, and this resin was molded and kneaded at 210°C, using an extruder having a diameter of 40 mm, and a L/D of 25, and the resultant resin was introduced to a die having a joining portion at a male and female part of a fastener, whereby the resultant resin was subjected to an extrusion molding processing such that the thickness of the joining portion 2 became 30 ⁇ m, the thickness of the ridge portion 3 became 300 ⁇ m, and the thickness of the flange portion 4 became 150 ⁇ m, and then the resultant resin was introduced to a water-cooling bath so as to be cooled and solidified, and thereafter the resultant resin was wound by a winder to obtain a fastener.
  • a fastener was produced by the same way as in Example 1, with the exception of performing an extrusion molding processing such that the thickness of the joining portion 2 became 50 ⁇ m, the thickness of the ridge portion 3 became 500 ⁇ m, and the thickness of the flange portion 4 became 150 ⁇ m, using a resin which consists of 100% by weight of a low density polyethylene (SUMIKASEN(trademark) F412-1 made by Sumitomo Chemical Co., Ltd.) as a material for the fastener. Results of the evaluation of the joining portion and the evaluation of liquid leakage are shown in Table 1.
  • SUMIKASEN(trademark) F412-1 made by Sumitomo Chemical Co., Ltd.
  • a fastener was produced by the same way as in Example 1, with the exception of performing an extrusion molding processing such that the thickness of the joining portion 2 became 5 ⁇ m, the thickness of the ridge portion 3 became 300 ⁇ m, and the thickness of the flange portion 4 became 150 ⁇ m, using a resin which consists of 100% by weight of an ethylene-propylene copolymer (SUMITOMO NOBLEN(trademark) FS3611 made by Sumitomo Chemical Co., Ltd.) as a material for the fastener.
  • SUMITOMO NOBLEN(trademark) FS3611 made by Sumitomo Chemical Co., Ltd.
  • a fastener was produced by the same way as in Example 1, with the exception of performing an extrusion molding processing such that the thickness of the joining portion 2 became 200 ⁇ m, the thickness of the ridge portion 3 became 300 ⁇ m, and the thickness of the flange portion 4 became 150 ⁇ m, using a resin which consists of 100% by weight of an ethylene-propylene copolymer (SUMITOMO NOBLEN (trademark) FS3611 made by Sumitomo Chemical Co., Ltd.) as a material for the fastener.
  • SUMITOMO NOBLEN trademark
  • Results of the evaluation of the joining portion and the evaluation of liquid leakage are shown in Table 1.
  • Example 1 Comparative Example 1 Comparative Example 2 Thickness of the joining portion ( ⁇ m) 30 50 5 200 Thickness of the ridge portion ( ⁇ m) 300 500 300 300 Thickness of the flange portion ( ⁇ m) 150 150 150 Evaluation of the joining portion O ⁇ O ⁇ Evaluation of liquid leakage ⁇ ⁇ ⁇ ⁇
  • the fastener and the packaging bag of the present invention can be applied to a fastener and the packaging bag, which can be fastened and opened repeatedly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)
EP05768544A 2004-08-12 2005-08-05 Befestigungsglied und verpackungsbeutelkörper mit dem befestigungsglied Withdrawn EP1783060A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004235302A JP4330503B2 (ja) 2004-08-12 2004-08-12 嵌合具及び嵌合具付包装用袋体
PCT/JP2005/014452 WO2006016539A1 (ja) 2004-08-12 2005-08-05 嵌合具及び嵌合具付包装用袋体

Publications (2)

Publication Number Publication Date
EP1783060A1 true EP1783060A1 (de) 2007-05-09
EP1783060A4 EP1783060A4 (de) 2010-12-01

Family

ID=35839309

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05768544A Withdrawn EP1783060A4 (de) 2004-08-12 2005-08-05 Befestigungsglied und verpackungsbeutelkörper mit dem befestigungsglied

Country Status (6)

Country Link
US (1) US20090226119A1 (de)
EP (1) EP1783060A4 (de)
JP (1) JP4330503B2 (de)
KR (1) KR100819549B1 (de)
CN (1) CN100515873C (de)
WO (1) WO2006016539A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2374726A4 (de) * 2008-12-09 2015-12-16 Idemitsu Unitech Co Ltd Verpackungsbeutel mit reissverschluss, vorrichtung und verfahren zur herstellung eines verpackungsbeutels sowie bandartiges element für abkantung

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JP2007261640A (ja) * 2006-03-29 2007-10-11 Toyo Seikan Kaisha Ltd 加熱殺菌可能なファスナー及び包装袋
JP2007331805A (ja) * 2006-06-16 2007-12-27 Dainippon Printing Co Ltd チャック及びそれを用いた加熱殺菌可能なチャック付き袋
JP5087345B2 (ja) * 2007-08-21 2012-12-05 シーアイ化成株式会社 嵌合具
JP5319987B2 (ja) * 2008-08-26 2013-10-16 出光ユニテック株式会社 ジッパーテープ及びジッパーテープ付包装袋
US20120314978A1 (en) 2010-02-12 2012-12-13 Idemitsu Unitech Co., Ltd. Zipper tape and packing bag with zipper tape
AU2015331630A1 (en) * 2014-10-17 2017-05-25 Stephen G. Armstrong Closure with a slider for bag
CN205872788U (zh) * 2015-07-09 2017-01-11 C.I.化成株式会社 嵌合件以及带嵌合件的袋体
KR20180100383A (ko) 2016-01-07 2018-09-10 이데미쓰 유니테크 가부시키가이샤 지퍼 테이프, 주머니체 및 주머니체의 제조 방법
JP7352351B2 (ja) * 2018-12-25 2023-09-28 タキロンシーアイ株式会社 嵌合具および嵌合具付き袋体
JP7014833B2 (ja) * 2020-02-14 2022-02-01 大王製紙株式会社 家庭用薄葉紙収納容器

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WO2004050487A2 (en) * 2002-12-03 2004-06-17 Reynolds Consumer Products, Inc. Autoclavable reclosable package

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AU585174B2 (en) * 1987-01-27 1989-06-08 Fujitokushu Shigyo Company Limited Bag with zipper and its production method
JPS63191705A (ja) * 1987-01-27 1988-08-09 日本特許管理株式会社 咬合具付袋を自動製袋しながら内容物を充填し、密封する方法
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WO2004050487A2 (en) * 2002-12-03 2004-06-17 Reynolds Consumer Products, Inc. Autoclavable reclosable package

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See also references of WO2006016539A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2374726A4 (de) * 2008-12-09 2015-12-16 Idemitsu Unitech Co Ltd Verpackungsbeutel mit reissverschluss, vorrichtung und verfahren zur herstellung eines verpackungsbeutels sowie bandartiges element für abkantung

Also Published As

Publication number Publication date
EP1783060A4 (de) 2010-12-01
KR100819549B1 (ko) 2008-04-08
JP4330503B2 (ja) 2009-09-16
US20090226119A1 (en) 2009-09-10
CN1993272A (zh) 2007-07-04
CN100515873C (zh) 2009-07-22
WO2006016539A1 (ja) 2006-02-16
JP2006051987A (ja) 2006-02-23
KR20070039109A (ko) 2007-04-11

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