WO2021117438A1 - Contenant présentant une fermeture à glissière et procédé de fabrication de contenant présentant une fermeture à glissière - Google Patents

Contenant présentant une fermeture à glissière et procédé de fabrication de contenant présentant une fermeture à glissière Download PDF

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Publication number
WO2021117438A1
WO2021117438A1 PCT/JP2020/042977 JP2020042977W WO2021117438A1 WO 2021117438 A1 WO2021117438 A1 WO 2021117438A1 JP 2020042977 W JP2020042977 W JP 2020042977W WO 2021117438 A1 WO2021117438 A1 WO 2021117438A1
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WO
WIPO (PCT)
Prior art keywords
strip
base
base strip
torn
zippered
Prior art date
Application number
PCT/JP2020/042977
Other languages
English (en)
Japanese (ja)
Inventor
匠 戸▲高▼
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 WO2021117438A1 publication Critical patent/WO2021117438A1/fr

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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
    • 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

Definitions

  • the present invention relates to a container with a zipper and a method for manufacturing a container with a zipper.
  • a technique for forming an opening of the container facing the zipper by tearing the container body is known.
  • a cut tape is laminated on one of a pair of strip-shaped bases provided with a male member and a female member, respectively, and the portion on which the cut tape is laminated is relatively relative to the adjacent portion.
  • a zippered container is described, which is formed to be thin and has a convex portion formed on the end of the other strip-shaped base portion to be adhered to the bag body.
  • the present invention manufactures a zippered container and a zippered container that can easily form an opening in the container body with a smaller force when forming an opening of the container facing the zipper by cutting the container body.
  • the purpose is to provide a method.
  • a container body having a first surface facing the storage space and a long member joined to the first surface to define one side of the storage space are provided, and the long member is joined to the first surface.
  • On the first surface in a region that partially faces the first base strip and does not face the first base strip that is located on the opposite side of the storage space in the width direction of the long member.
  • From the second base strip to be joined the first and second engaging portions protruding from the first and second base strips, respectively, and engaging with each other, and from the first base strip in the width direction of the elongated member.
  • a container with a zipper which is formed separately and includes a notched piece portion joined to the first surface in a cross-sectional shape.
  • the cross-sectional shape of the long member further includes a first convex portion formed at an end portion of the first base strip piece located on the cut strip piece side in the width direction [1] to [3].
  • the torn strip includes a base formed of the same material as the first base strip and a torn strip formed of a material different from the base and laminated on the base [1].
  • the cross-sectional shape of the long member further includes a second convex portion formed on the side opposite to the first base strip piece with respect to the tear strip portion in the width direction [1] to [7].
  • the torn strip is formed separately from the first base strip, so that when the torn strip is pulled, the space between the first base strip and the torn strip is separated. There is no need to tear it, only the first surface of the container body needs to be torn. Therefore, the opening can be easily formed in the container body with a smaller force.
  • FIG. 2 is a sectional view taken along line II-II of the bag with a zipper shown in FIG. It is a figure which shows the reference example of the bag with a zipper. It is a figure which shows the example which the 2nd convex part is formed in one Embodiment of this invention. It is a figure which shows the example of the manufacturing method of the bag with a zipper which concerns on one Embodiment of this invention.
  • FIG. 1 is a plan view of a bag with a zipper according to an embodiment of the present invention
  • FIG. 2 is a sectional view taken along line II-II of the bag with a zipper shown in FIG.
  • the zippered bag 100 is joined to and stored in a bag-shaped container body formed by a film 110 having a first surface 111A facing the storage space SP and a first surface 111A of the film 110.
  • a long member 120 that defines one side of the space SP.
  • the film 110 has a second surface 111B facing the first surface 111A in addition to the first surface 111A, and the first surface 111A and the second surface 111B each face the storage space SP.
  • the film 110 is made of, for example, a single-layer or multi-layer thermoplastic resin. More specifically, the film 110 may be made of low density polyethylene (LDPE), linear low density polyethylene (LLDPE), or polypropylene (PP).
  • the PP may be homopolypropylene (HPP), random polypropylene (RPP), or block polypropylene (BPP).
  • biaxially stretched polypropylene OPP
  • biaxially stretched polyethylene terephthalate OPET
  • biaxially stretched nylon ONy
  • the film 110 may include a layer of an inorganic material formed by vapor deposition of aluminum, lamination of aluminum foil, or the like.
  • the two films 110 are joined to each other at the top seal portion 112, the bottom seal portion 113, and the side seal portion 114 to form the bag body, but in another embodiment, 1
  • the film 110 may be folded back at a portion corresponding to the side seal portion 114.
  • a so-called gusset may be formed in which the film 110 is folded inward at a portion corresponding to the bottom seal portion 113 or the side seal portion 114.
  • the gusset may be formed by the film 110 or by another film bonded to the film 110.
  • the zippered bag 100 may be a standing pouch that can be placed upright by forming a gusset on the bottom.
  • the long member 120 is a long member including the zipper portion 130 and the split strip portion 140 in the cross-sectional shape.
  • the zipper portion 130 partially faces the first base strip 131A joined to the first surface 111A of the film 110 and the first base strip 131A, and is in contact with the storage space SP in the width direction of the long member 120.
  • the second base strip 131B which is joined to the first surface 111A in a region not facing the first base strip 131A located on the opposite side, and the first and the first, which protrude from the base strips 131A and 131B and can be engaged with each other, respectively.
  • the second engaging portions 132A and 132B are included.
  • the torn strip 140 includes a base 141 and a torn strip 142 formed separately from the first base strip 131A in the width direction of the elongated member 120.
  • the base portion 141 is joined to the first surface 111A.
  • the zipper portion 130 makes it possible to seal and reseal the zippered bag 100 by having the first and second engaging portions 132A and 132B have a shape capable of engaging and disengaging with each other. ..
  • the shapes of the first and second engaging portions 132A and 132B are not limited to the illustrated examples, and the shapes of the engaging portions of various known zippers in which a claw shape, a hook shape, a knob shape, or the like are combined are used. It is possible to.
  • the first engaging portion 132A is a male type and the second engaging portion 132B is a female type, but the opposite may be true.
  • one pair of engaging portions is arranged in the illustrated example, a plurality of pairs of engaging portions may be arranged.
  • a first convex portion 133 formed thicker than the first base strip 131A is formed. It is formed.
  • the base 141 is formed of, for example, the same material as the first base strip 131A.
  • the torn strip 142 is formed of a material different from that of the base 141 and is laminated on the base 141.
  • the base portion 141 is formed to be thinner than the first convex portion 133 formed at the end portion of the first base portion strip 131A by the zipper portion 130.
  • the entire fissure strip 140 may be made of the same material as the first base strip 131A.
  • the torn strip piece portion 140 is formed to have a thickness obtained by combining the base portion 141 and the torn strip piece 142 shown in FIG. 2, and is about the same thickness as the first convex portion 133.
  • the long member 120 as described above is formed by, for example, extrusion molding of a polyolefin resin. More specifically, the elongated member 120 may be made of low density polyethylene (LDPE), linear low density polyethylene (LLDPE), or polypropylene (PP).
  • the PP may be homopolypropylene (HPP), random polypropylene (RPP), or block polypropylene (BPP).
  • HPP homopolypropylene
  • RPP random polypropylene
  • BPP block polypropylene
  • additives such as stabilizers, antioxidants, lubricants, antistatic agents, and colorants may be added to the material of the long member 120.
  • the base 141 of the torn strip 140 may be formed of a material different from that of the first base strip 131A, but the base 141 may be formed of the same material as the first base strip 131A as described above. However, it is preferable from the viewpoint of manufacturing. Further, it is preferable that the torn strip 142 laminated on the base portion 141 is made of a material different from that of the base portion 141. Specifically, for example, as in the case where the base 141 is formed of LDPE and the rift strip 142 is formed of PP, the base 141 and the rift strip 142 can be easily separated from each other. Each portion may be formed of material. Thereby, the openability can be further improved. Such a material may be the one exemplified above as the material of the long member 120, or may be other than that.
  • the user grabs and pulls the torn strip 142 from the tab 144 (see FIG. 1) formed at the longitudinal end of the elongated member 120.
  • the first surface 111A of the film 110 can be torn to form an opening that allows the storage space SP to be accessed from the outside via the zipper portion 130.
  • the torn strip piece portion 140 including the torn strip piece 142 is formed separately from the first base portion strip piece 131A of the zipper portion 130, for example, the reference example shown in FIG.
  • the gap d there is a gap d between the first base strip piece 131A and the split strip piece 140.
  • the first base strip 131A and the torn strip 140 are separated but may be in contact with each other without a gap.
  • the size of the gap d is preferably 0.3 mm or more, more preferably 0.5 mm or more, still more preferably 0.7 mm or more.
  • the larger the gap d the easier the positioning of the blade when forming the tab 144, which has a manufacturing advantage. If the position of the blade forming the tab 144 deviates significantly from between the first base strip piece 131A and the tear strip piece 140, it becomes difficult to open the package starting from the tab 144.
  • the gap d is not too large.
  • the upper limit of the gap d is usually about 10 mm.
  • the first convex portion 133 is formed at the end of the first base strip piece 131A located on the cut strip piece 140 side, when the tear strip 142 is pulled, the first convex portion 133 is formed.
  • the tearing of the one surface 111A is guided so as to extend linearly along the first convex portion 133. Thereby, the shape of the opening formed on the first surface 111A can be stabilized.
  • the upper limit of the gap is usually about 10 mm.
  • a second convex portion formed on the side opposite to the first base strip piece 131A with respect to the split strip portion 140 in the width direction of the long member 120 may be further included.
  • the second convex portion may be a portion joined to the first surface 111A as in the case of the torn strip piece portion 140, or may be formed with a second convex portion protruding from the second base strip piece 131B.
  • FIG. 4 shows an example in which the second convex portion 151 protrudes from the second base strip piece 131B and is joined to the first surface 111A.
  • the second convex portion 151 may be a part of the second base strip 131B formed in a thick wall, or may be another member joined to the second base strip 131B. When the second convex portion 151 is a member different from the second base strip 131B, the second base strip 131B is joined to the first surface 111A via the second convex portion 151 as shown in the illustrated example. You may.
  • the second convex portion As described above, it is possible to guide the tearing of the first surface 111A to extend linearly along the second convex portion, and the opening formed in the first surface 111A.
  • the shape can be stabilized.
  • the larger the gap d the easier the positioning of the blade when forming the tab 144, which has a manufacturing advantage.
  • the upper limit of the gap is usually about 10 mm. Either one of the first convex portion 133 and the second convex portion may be provided, or both may or may not be provided.
  • FIG. 5 is a diagram showing an example of a method for manufacturing a bag with a zipper according to an embodiment of the present invention.
  • the zippered bag 100 according to the present embodiment is manufactured by joining the long member 120 to the film 110 and molding the film 110 into the shape of the bag body including the first surface 111A and the second surface 111B.
  • FIG. 5 shows a step of separating the first base strip piece 131A of the zipper portion 130 and the split strip portion 140 before joining the long member 120 to the film 110. This step is carried out by the supply means 510, the cutting means 520, the guiding means 530, and the joining means 540.
  • the second base strip 131B and the second engaging portion 132B of the zipper portion 130 are not shown.
  • the supply means 510 continuously supplies the long member 120 in which the first base strip piece 131A and the split strip piece 140 are not separated from each other.
  • a long member 120 includes, for example, a portion of the zipper portion 130 including the first base strip 131A, the first engaging portion 132A, and the tear strip 140, and the second base strip 131B and the second. It is manufactured by extrusion molding each of the portions including the engaging portion 132B.
  • the cutting means 520 cuts between the first base strip 131A and the torn strip 140 of the elongated member 120 supplied by the supply means 510.
  • the cutting means 520 is a slice 521 that functions as a blade.
  • the side 521A that functions as a blade of the slice 521 may be curved.
  • the material of the flakes is not particularly limited, but metal, resin, or the like can be used.
  • the cutting means 520 can more stably and linearly cut between the first base portion strip 131A and the split strip portion 140.
  • the guiding means 530 guides the torn strip piece 140 cut by the cutting means 520 so as to be separated from the first base strip 131A in the width direction of the long member 120.
  • the guiding means 530 is a rod-shaped member 531 having an annular portion 531A at its tip.
  • the annular portion 531A is arranged so as to be separated by a predetermined distance from the first base strip piece 131A which is conveyed linearly even after cutting, and the cut split strip portion 140 is inside the annular portion 531A. By arranging it so as to pass through, the cut strip portion 140 can be separated from the first base strip piece 131A.
  • the distance that the cut strip 140 separates from the first base strip 131A is such that when the first base strip 131A and the cut strip 140 are joined to the film 110 by the joining means 540, for example, these portions are separated from each other.
  • the gaps are set so that they do not fuse again and the predetermined spacing as described above is secured.
  • the joining means 540 joins the first base strip piece 131A of the zipper portion 130 and the torn strip portion 140 guided by the guiding means 530 to the film 110, respectively.
  • the joining means 540 is a seal bar 541 for heat sealing.
  • the seal bar 541 can join the respective parts to the film 110 by applying heat to the region including the first base strip 131A and the split strip 140 induced apart from the first base strip 131A.
  • Positioning means 542 that positions the cut strip portion 140 on the inlet side of the seal bar 541 may be further provided.
  • the positioning means 542 is, for example, a pair of columnar members 542A, 542B, and the cutting strip portion 140 guided by the guiding means 530 is arranged so as to pass between the pair of columnar members 542A, 542B.
  • the cut strip piece 140 entering the seal bar 541 can be correctly positioned.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)

Abstract

L'invention concerne un contenant, présentant une fermeture à glissière, comprenant un corps de contenant qui a une première surface faisant face à un espace de logement, et un élément allongé qui est relié à la première surface et définit un côté de l'espace de logement. L'élément allongé a une forme de section transversale qui comprend : une première bande de base reliée à la première surface ; une seconde bande de base qui fait partiellement face à la première bande de base, et qui est reliée à la première surface dans une région qui est positionnée sur le côté opposé de l'élément allongé, par rapport à l'espace de logement dans le sens de la largeur et qui ne fait pas face à la première bande de base ; des première et seconde parties de mise en prise pouvant venir en prise mutuelle qui font saillie respectivement à partir des première et seconde bandes de base ; et une bande déchirable qui est formée séparée de la première bande de base dans le sens de la largeur de l'élément allongé, et qui est reliée à la première surface.
PCT/JP2020/042977 2019-12-11 2020-11-18 Contenant présentant une fermeture à glissière et procédé de fabrication de contenant présentant une fermeture à glissière WO2021117438A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019223834A JP6773877B1 (ja) 2019-12-11 2019-12-11 ジッパー付き容器およびジッパー付き容器の製造方法
JP2019-223834 2019-12-11

Publications (1)

Publication Number Publication Date
WO2021117438A1 true WO2021117438A1 (fr) 2021-06-17

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PCT/JP2020/042977 WO2021117438A1 (fr) 2019-12-11 2020-11-18 Contenant présentant une fermeture à glissière et procédé de fabrication de contenant présentant une fermeture à glissière

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JP (1) JP6773877B1 (fr)
TW (1) TW202128509A (fr)
WO (1) WO2021117438A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023080078A1 (fr) * 2021-11-05 2023-05-11 出光ユニテック株式会社 Bande de fermeture à glissière et récipient doté d'une bande de fermeture à glissière

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002104440A (ja) * 2000-10-02 2002-04-10 Hosokawa Yoko Co Ltd ファスナーバッグ
JP2004155446A (ja) * 2002-11-05 2004-06-03 Arihiko Morita チャック付き袋及びそのチャック付き袋の製造方法並びにチャック付き袋への袋詰め方法
WO2006062136A1 (fr) * 2004-12-07 2006-06-15 Idemitsu Unitech Co., Ltd. Dispositif de fixation et sac avec dispositif de fixation
JP2007276868A (ja) * 2006-04-12 2007-10-25 Idemitsu Unitech Co Ltd チャックテープ付き袋、および活魚介類の搬送方法
JP2017024767A (ja) * 2015-07-24 2017-02-02 凸版印刷株式会社 包装袋

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002104440A (ja) * 2000-10-02 2002-04-10 Hosokawa Yoko Co Ltd ファスナーバッグ
JP2004155446A (ja) * 2002-11-05 2004-06-03 Arihiko Morita チャック付き袋及びそのチャック付き袋の製造方法並びにチャック付き袋への袋詰め方法
WO2006062136A1 (fr) * 2004-12-07 2006-06-15 Idemitsu Unitech Co., Ltd. Dispositif de fixation et sac avec dispositif de fixation
JP2007276868A (ja) * 2006-04-12 2007-10-25 Idemitsu Unitech Co Ltd チャックテープ付き袋、および活魚介類の搬送方法
JP2017024767A (ja) * 2015-07-24 2017-02-02 凸版印刷株式会社 包装袋

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TW202128509A (zh) 2021-08-01
JP2021091457A (ja) 2021-06-17
JP6773877B1 (ja) 2020-10-21

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