WO2023090416A1 - Bande de fermeture à glissière, contenant équipé d'une bande de fermeture à glissière, et procédé anti-falsification - Google Patents

Bande de fermeture à glissière, contenant équipé d'une bande de fermeture à glissière, et procédé anti-falsification Download PDF

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Publication number
WO2023090416A1
WO2023090416A1 PCT/JP2022/042831 JP2022042831W WO2023090416A1 WO 2023090416 A1 WO2023090416 A1 WO 2023090416A1 JP 2022042831 W JP2022042831 W JP 2022042831W WO 2023090416 A1 WO2023090416 A1 WO 2023090416A1
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WO
WIPO (PCT)
Prior art keywords
hook
zipper tape
engaging portion
rising
base
Prior art date
Application number
PCT/JP2022/042831
Other languages
English (en)
Japanese (ja)
Inventor
郁雄 高村
昌 音渕
俊一 伊藤
Original Assignee
出光ユニテック株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 出光ユニテック株式会社 filed Critical 出光ユニテック株式会社
Publication of WO2023090416A1 publication Critical patent/WO2023090416A1/fr

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Classifications

    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44BBUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00Slide fasteners
    • A44B19/10Slide fasteners with a one-piece interlocking member on each stringer tape
    • A44B19/16Interlocking member having uniform section throughout the length of the stringer
    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44BBUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00Slide fasteners
    • A44B19/24Details
    • A44B19/34Stringer tapes; Flaps secured to stringers for covering the interlocking members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D33/00Details of, or accessories for, sacks or bags
    • B65D33/16End- or aperture-closing arrangements or devices
    • B65D33/25Riveting; Dovetailing; Screwing; using press buttons or slide fasteners

Definitions

  • the present invention relates to a zipper tape, a container with a zipper tape, and a method for preventing tampering.
  • Patent Document 1 there is known a technique for preventing tampering with the contents of a container with a zipper tape by making it difficult to reopen the engaging portion of the zipper that has once been closed. .
  • a film is interposed between the zipper tapes before enclosing the contents so that the engaging portion is not closed.
  • an object of the present invention is to provide a zipper tape, a container with a zipper tape, and a method for preventing tampering, which can prevent the engagement part from being closed by a simple structure that does not require an additional member. .
  • a zipper tape comprising a first base, a male engaging portion projecting from the first base, a second base, and a female engaging portion projecting from the second base. wherein the male engaging portion includes first and second outwardly projecting barbs, and the female engaging portion includes third and fourth inwardly projecting barbs; When the male engaging portion is fitted inside the female engaging portion, the first hook portion and the third hook portion, and the second hook portion and the fourth hook portion are engaged.
  • a zipper tape configured to engage with each other, wherein a force required to engage the male engaging portion and the female engaging portion is 30 N/15 mm or more and 100 N/15 mm or less.
  • width of the first rising portion including a second rising portion rising at an angle, a bending portion formed following the second rising portion, and the return portion formed at the tip of the bending portion; is 0.35 mm or more, the zipper tape according to [1].
  • the zipper tape according to any one of [1] to [3], which has a length along the direction of 0.4 mm or less.
  • the third and fourth hooks each include a rising portion rising from a connection region between the female engaging portion and the second base portion, a bent portion formed following the rising portion, and the and a return portion formed at the tip of the bent portion, and when the male engaging portion outside the bent portion is about to fit inside the female engaging portion, the first and second
  • the zipper tape according to any one of [1] to [4], wherein the surface of the hook contacting the hook forms an angle of 145° or more on the outside of the female engaging portion.
  • the shortest distance from the inner space of the female engaging portion between the third and fourth hooks to the surface of the second base opposite to the female engaging portion is The zipper tape according to any one of [1] to [5], which is 0.50 mm or more.
  • the force required to engage the male engaging portion and the female engaging portion of the zipper tape is greater than that of a general zipper tape, so that the engaging portion is closed. Hateful. As a result, it is possible to prevent the engaging portion from closing with a simple configuration that does not require an additional member.
  • FIG. 1 is an enlarged cross-sectional view of an engaging portion of a zipper tape according to one embodiment of the present invention.
  • FIG. 2 is an enlarged cross-sectional view of an engaging portion of a general zipper tape for comparison.
  • the male engaging portion 13A includes hooks 151 and 152 projecting outward. More specifically, the hook portions 151 and 152 include a common rising portion 15A rising from the first base portion 11 and protruding portions 151B and 152B protruding from the rising portion 15A to both sides.
  • the projecting portion 152B includes a return portion 152B2 formed at the tip.
  • the female engaging portion 13B includes hook portions 153 and 154 protruding inward. More specifically, the hook portion 153 includes a raised portion 153A that rises from the second base portion 12 and a protruding portion 153B that protrudes from the raised portion 153A.
  • the projecting portion 153B includes a bent portion 153B1 formed following the rising portion 153A, and a return portion 153B2 formed at the tip of the bent portion 153B1.
  • the hook portion 154 includes a rising portion 154A rising from the second base portion 12 and a projecting portion 154B projecting from the rising portion 154A.
  • the projecting portion 154B includes a bent portion 154B1 formed following the rising portion 154A, and a return portion 154B2 formed at the tip of the bent portion 154B1.
  • outward and “inward” are defined with respect to the width direction of the zipper tape 10.
  • the male engaging portion 13A faces “outward” away from the single raised portion 15A.
  • the female engagement portion 13B the direction toward the inner space sandwiched between the two raised portions 153A and 154A, that is, the direction from one of the raised portions 153A and 154A to the other is "inward”.
  • the male engaging portion 13A and the female engaging portion 13B are configured such that the male engaging portion 13A fits inside the female engaging portion 13B.
  • the hook portion 151 of the male engaging portion 13A and the hook portion 153 of the female engaging portion 13B engage with each other.
  • the hook portion 152 of the mold engaging portion 13A and the hook portion 154 of the female mold engaging portion 13B are engaged with each other.
  • the configuration up to this point is the same for the general zipper tape 90 shown in FIG.
  • the male engaging portion 13A and the female engaging portion 13B are engaged by adopting one, two or more, or all of the configurations described below.
  • the force required for this is 30 N/15 mm or more and 100 N/15 mm or less.
  • the force required to engage the male engaging portion 13A and the female engaging portion 13B is also referred to as closing strength of the zipper tape 10.
  • FIG. Closing strength was determined by cutting a zipper tape into a width of 15 mm and placing the first base 11 and the second base 12 in a state where the male engaging portion 13A and the female engaging portion 13B are not engaged.
  • the closing strength is about 10N/15mm to 20N/15mm. Since the closure strength of the zipper tape 10 according to the present embodiment is 30 N/15 mm or more, the engagement portion is more difficult to close than the general zipper tape 90 . In other words, the zipper tape 10 can prevent the engaging portions from closing without an additional member such as a film inserted between the engaging portions.
  • the closing strength of the zipper tape 10 is preferably 35 N/15 mm or more, more preferably 40 N/15 mm or more. If the zipper tape 10 is used in a tamper-proof application as described below, the closure strength may be 50 N/15 mm or greater, preferably 60 N/15 mm or greater.
  • the zipper tape 10 also has a closing strength of 100 N/15 mm or less, so that the engagement portion can be finally closed.
  • the zipper tape 10 may be used only in certain situations, such as when either the first base 11 or the second base 12 is placed on a stand or the like and fixed after being attached to the container body as described below. It may be designed to be closed.
  • the closing strength of the zipper tape 10 is preferably 85 N/15 mm or less, more preferably 70 N/15 mm or less.
  • the closing strength does not have the upper limit as described above.
  • the closing strength may be 200 N/15 mm or less in order to close the engaging portion first.
  • a configuration that can be employed to set the closing strength of the zipper tape 10 according to the present embodiment to 30 N/15 mm or more and 100 N/15 mm or less will be described below.
  • the illustrated example employs all of the following configurations (1) to (5), the embodiments of the present invention are not limited to such examples. As already mentioned, only one of the configurations (1) to (5) may be employed, a plurality of them, or all of them may be employed.
  • the width d1 of the diagonal rising portion of the hook portion 154 included in the female engaging portion 13B is 0.35 mm or more.
  • hook 154 includes upright portion 154A and protrusion 154B.
  • the rising portion 154A is a first rising portion 154A1 that rises obliquely with respect to the second base portion 12 from the connection area between the female engaging portion 13B and the second base portion 12, and the first rising portion 154A1 follows the first rising portion 154A1.
  • a second raised portion 154A2 that rises at an angle closer to the vertical to the second base portion 12 than the first raised portion 154A1.
  • the bent portion 154B1 of the projecting portion 154B is formed following the second upright portion 154A2.
  • the width d1 of the first rising portion 154A1 that rises obliquely with respect to the second base portion 12 is 0.35 mm or more.
  • the width d1 is the dimension in the direction perpendicular to the direction in which the first rising portion 154A1 rises. Defined.
  • the width d1 of the first raised portion 154A1 is less than 0.35 mm.
  • the closure strength can be increased by increasing the width d1.
  • the width d1 of the first rising portion 154A1 is preferably 0.4 mm or more, more preferably 0.45 mm or more, even more preferably 0.5 mm or more, and particularly preferably 0.4 mm or more. 6 mm or more.
  • the width d1 of the first raised portion 154A1 in the zipper tape 10 is, for example, 1.0 mm or less, preferably 0.9 mm or less, more preferably 0.9 mm or less. 8 mm or less.
  • the first rising portion 154A1 as described above may be positioned on either the opening side or the storage space side of the container in a container with a zipper tape in which the zipper tape 10 is attached to the container body as described later. It is preferable to arrange the first raised portion 154A1 on the opening side, and more preferably to arrange the first raised portion 154A1 on both the opening side and the storage space side.
  • the minimum width d2 of the connection area between the female engaging portion 13B and the second base portion 12 is 1.0 mm or more. 0.8 mm or less.
  • the connection region is a portion where the rising portions 153A and 154A of the female engaging portion 13B rise from the second base portion 12, and the distance between the outer sides of the rising portions 153A and 154A in the width direction of the zipper tape 10 is different. It is a constricted region that is smaller than the portion of .
  • the minimum width d2 of the connection area is less than 1.0 mm. The closure strength can be increased by increasing the minimum width d2.
  • the minimum width d2 of the connection area between the female engaging portion 13B and the second base portion 12 is preferably 1.1 mm or more, more preferably 1.2 mm or more.
  • the minimum width d2 of the zipper tape 10 is 1.8 mm or less, preferably 1.7 mm or less, and more preferably 1.6 mm or less.
  • the length d3 along the rising direction is 0.4 mm or less.
  • the length d3 of the first raised portion 154A1 exceeds 0.4 mm. Closing strength can be increased by making the length d3 shorter.
  • the length d3 of the first raised portion 154A1 is preferably 0.35 mm or less, more preferably 0.3 mm or less. The lower limit of length d3 is not particularly limited.
  • the outside angle ⁇ 1 of the bending portions 153B1 and 154B1 of the female engaging portion 13B is 145° or more.
  • bent portions 153B1 and 154B1 are formed at the distal end portions of the hook portions 153 and 154 of the female engaging portion 13B.
  • the outer sides of the bent portions 153B1 and 154B1 come into contact with the hook portions 151 and 152 of the male engaging portion 13A when the male engaging portion 13A is to be fitted inside the female engaging portion 13B.
  • a face is formed. These surfaces are hereinafter referred to as contact surfaces 153C and 154C.
  • the angle ⁇ 1 formed by the contact surfaces 153C and 154C outside the female engagement portion 13B, that is, on the side opposite to the inner space of the female engagement portion 13B between the hooks 153 and 154 is 145°. ° or more.
  • the angle ⁇ 1 is less than 145°.
  • the closing strength can be increased by increasing the angle ⁇ 1.
  • the angle ⁇ 1 is preferably 150° or more, more preferably 160° or more.
  • the upper limit of the angle ⁇ 1 is not particularly limited, and may exceed 180°, but is, for example, 200° or less.
  • the shortest distance d4 to the surface opposite to the female engagement portion 13B is 0.50 mm or more. This distance d4 is the thickness including the second base portion 12 of the connection area between the female engaging portion 13B and the second base portion 12 . In general zipper tape 90, distance d4 is less than 0.50 mm. The closing strength can be increased by making the distance d4 larger. In the zipper tape 10, the distance d4 is preferably 0.51 mm or more, more preferably 0.52 mm or more. Although the upper limit of the distance d4 is not particularly limited, it is, for example, 1.00 mm or less.
  • the angle ⁇ 2 formed by the inclined surface formed between the hook portions 151 and 152 of the male engaging portion 13A is 140° or more.
  • a mountain shape is formed by an inclined surface 151C continuing to the projecting portion 151B of the hook portion 151 and an inclined surface 152C continuing to the projecting portion 152B of the hook portion 152. It is The connecting portion between the inclined surface 151C and the inclined surface 152C, that is, the top of the mountain shape may be angular or rounded as in the illustrated example.
  • the angle ⁇ 2 formed by the inclined surface 151C and the inclined surface 152C on the side of the male engagement portion 13A (that is, on the inner angle side of the chevron) is 140° or more. In a general zipper tape 90, the angle ⁇ 2 is less than 140°. The closing strength can be increased by increasing the angle ⁇ 2. In the zipper tape 10, the angle ⁇ 2 is preferably 145° or more, more preferably 150° or more. The upper limit of the angle ⁇ 2 is not particularly limited, and may exceed 180°, but is, for example, 300° or less.
  • the zipper tape 10 as described above is made of a polyolefin resin, specifically, a resin composition containing, for example, polypropylene as a main component.
  • the resin composition may comprise low density polyethylene (LDPE) or linear low density polyethylene (LLDPE). At least a portion of the LDPE or LLDPE may be bio-polyethylene.
  • the polyolefin resin, which is the main component of the first resin composition is not limited to a fossil fuel-derived resin, but is an environmentally friendly bioplastic (polyolefin resin such as biomass-derived bio-polypropylene or bio-polyethylene). or a mixture of fossil fuel-derived resins and bioplastics.
  • the zipper tape 10 does not necessarily have to be entirely made of the same resin composition.
  • the resin composition forming the engaging portion 13B may be different.
  • the rigidity of the male engaging portion 13A and the female engaging portion 13B varies depending on the components of the resin composition forming the male engaging portion 13A and the female engaging portion 13B, thereby increasing the closing strength of the zipper tape 10. also change.
  • the closing strength of the zipper tape 10 is set to 30 N/15 mm or more and 100 N/15 mm or less.
  • FIG. 3 is a plan view of a container with a zipper tape including the zipper tape shown in FIG.
  • the zipper tape-equipped container 100 includes a bag-like container body formed of a film 110 having a first surface 111A and a second surface 111B facing the storage space SP, and the zipper tape 10 .
  • the zipper tape 10 is attached to the container body by bonding the first base portion 11 to the first surface 111A and the second base portion 12 to the second surface 111B, respectively.
  • a bag-shaped container body may be formed by folding back the portion 110 corresponding to the side seal portion 113 .
  • a portion corresponding to the bottom seal portion 112 or the side seal portion 113 may be formed with the film 110 folded inward, that is, a so-called gusset.
  • the gusset may be formed by film 110 or by another film joined to film 110 .
  • the zipper tape-equipped container 100 may be a standing pouch that can be placed upright by forming a gusset on the bottom.
  • an opening 101 is formed on the opposite side of the zipper tape 10 from the storage space SP without connecting the first surface 111A and the second surface 111B of the film 110. Also in this portion, the first surface 111A and the second surface 111B are joined to form a top seal portion, and an opening is formed afterward by cutting between the top seal portion and the zipper tape 10. good too.
  • the film 110 is formed of, for example, a single layer or multiple layers of thermoplastic resin. More specifically, film 110 is formed of, for example, polypropylene or high density polyethylene (HDPE), linear low density polyethylene (LLDPE). Polypropylene is for example homopolypropylene (HPP), random polypropylene (RPP) or block polypropylene (BPP).
  • HPP homopolypropylene
  • RPP random polypropylene
  • BPP block polypropylene
  • OPET biaxially oriented polyethylene terephthalate
  • ONy biaxially oriented nylon
  • the film 110 may include an inorganic material layer formed by vapor deposition of aluminum, lamination of aluminum foil, or the like.
  • the closure strength of the zipper tape 10 is 30 N/15 mm or more and 100 N/15 mm or less, and the engaging portion is more difficult to close than a general zipper tape. Therefore, for example, when the container 100 with the zipper tape 10 is conveyed with the engaging portions of the zipper tape 10 open, the engaging portions can be maintained even without an additional member such as a film inserted between the engaging portions. After preventing the closure, the contents can be enclosed in the storage space SP from between the opened zipper tapes 10, and the engagement part can be closed.
  • a tampering prevention method using the container 100 with a zipper tape as described above may be implemented. Since the closure strength of the zipper tape 10 is set to 30 N/15 mm or more, the normally assumed force, for example, when a person tries to close the zipper tape 10 by pinching the zipper tape 10 from the outside of the first surface 111A and the second surface 111B A closure strength greater than the applied force can be set. In this case, once the engaging portion of the zipper tape 10 is opened, it cannot be closed easily. Therefore, if the contents are tampered with by someone, the engaging portion of the zipper tape 10 remains open, so the tampering can be detected.
  • zipper tapes formed with engaging portions having shapes as shown in Table 1 below were tested for closing strength, that is, engagement between the male engaging portion and the female engaging portion.
  • closing strength was measured by cutting the zipper tape into a width of 15 mm, facing the base with the engaging portion not engaged, and placing the female base on the side opposite to the engaging portion. After placing it on and fixing it, a compressive force is applied to the surface opposite to the engaging part of the male base, and the maximum value of the compressive force applied until the engaging part is engaged is measured by Imada Co., Ltd. It was calculated by measuring using a digital force gauge (model name: ZTS-200N) manufactured by
  • the width d1, the minimum width d2, the length d3, the distance d4, the angles ⁇ 1 and ⁇ 2 in the table all mean the dimensions and angles of the respective portions of the engaging portion described above with reference to FIG. .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Slide Fasteners (AREA)

Abstract

L'invention concerne une bande de fermeture à glissière comprenant une première partie de base, une partie de mise en prise mâle qui fait saillie depuis la première partie de base, une seconde partie de base, et une partie de mise en prise femelle qui fait saillie depuis la seconde partie de base ; la partie de mise en prise mâle comprenant des première et deuxième parties de crochet faisant saillie vers l'extérieur ; la partie de mise en prise femelle comprenant des troisième et quatrième parties de crochet faisant saillie vers l'intérieur ; les parties de mise en prise étant configurées de telle sorte que les première et troisième parties de crochet viennent en prise l'une avec l'autre, et les deuxième et quatrième parties de crochet viennent également en prise l'une avec l'autre, lorsque les parties de mise en prise mâle et femelle viennent en prise l'une avec l'autre ; et la force requise afin de faire entrer la partie de mise en prise mâle dans la partie de mise en prise femelle étant de 30 à 100 N/15 mm inclus.
PCT/JP2022/042831 2021-11-19 2022-11-18 Bande de fermeture à glissière, contenant équipé d'une bande de fermeture à glissière, et procédé anti-falsification WO2023090416A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-188637 2021-11-19
JP2021188637A JP2023075623A (ja) 2021-11-19 2021-11-19 ジッパーテープ、ジッパーテープ付き容器および改ざん防止方法

Publications (1)

Publication Number Publication Date
WO2023090416A1 true WO2023090416A1 (fr) 2023-05-25

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PCT/JP2022/042831 WO2023090416A1 (fr) 2021-11-19 2022-11-18 Bande de fermeture à glissière, contenant équipé d'une bande de fermeture à glissière, et procédé anti-falsification

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Country Link
JP (1) JP2023075623A (fr)
TW (1) TW202333599A (fr)
WO (1) WO2023090416A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09309546A (ja) * 1996-05-21 1997-12-02 Daiwa Houzai Kk 咬合具付き袋体
JPH11501890A (ja) * 1995-03-14 1999-02-16 ダウブランズ インコーポレイティド 再閉鎖可能な熱可塑性材料製バッグおよびその閉鎖部材
JP2007130043A (ja) * 2005-11-08 2007-05-31 Idemitsu Unitech Co Ltd 咬合具、これを用いた袋およびこれらの製造方法
US20120251018A1 (en) * 2009-01-09 2012-10-04 The Glad Products Company Bag
JP3225400U (ja) * 2019-10-18 2020-03-05 ヤンタイ バッグマート パッキング カンパニー リミテッド 外押型音付きチャック及び密閉袋
WO2020240448A1 (fr) * 2019-05-31 2020-12-03 3M Innovative Properties Company Emballage refermable comprenant une attache à auto-accouplement et procédé pour réaliser celui-ci

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11501890A (ja) * 1995-03-14 1999-02-16 ダウブランズ インコーポレイティド 再閉鎖可能な熱可塑性材料製バッグおよびその閉鎖部材
JPH09309546A (ja) * 1996-05-21 1997-12-02 Daiwa Houzai Kk 咬合具付き袋体
JP2007130043A (ja) * 2005-11-08 2007-05-31 Idemitsu Unitech Co Ltd 咬合具、これを用いた袋およびこれらの製造方法
US20120251018A1 (en) * 2009-01-09 2012-10-04 The Glad Products Company Bag
WO2020240448A1 (fr) * 2019-05-31 2020-12-03 3M Innovative Properties Company Emballage refermable comprenant une attache à auto-accouplement et procédé pour réaliser celui-ci
JP3225400U (ja) * 2019-10-18 2020-03-05 ヤンタイ バッグマート パッキング カンパニー リミテッド 外押型音付きチャック及び密閉袋

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JP2023075623A (ja) 2023-05-31

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