WO2023188040A1 - Demi-chaîne de fermeture à glissière pourvue de rangées d'éléments métalliques, fermeture à glissière pourvue de celle-ci, et article pourvu d'une fermeture à glissière - Google Patents

Demi-chaîne de fermeture à glissière pourvue de rangées d'éléments métalliques, fermeture à glissière pourvue de celle-ci, et article pourvu d'une fermeture à glissière Download PDF

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Publication number
WO2023188040A1
WO2023188040A1 PCT/JP2022/015700 JP2022015700W WO2023188040A1 WO 2023188040 A1 WO2023188040 A1 WO 2023188040A1 JP 2022015700 W JP2022015700 W JP 2022015700W WO 2023188040 A1 WO2023188040 A1 WO 2023188040A1
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WO
WIPO (PCT)
Prior art keywords
fastener
fastener tape
side edge
thread
water
Prior art date
Application number
PCT/JP2022/015700
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English (en)
Japanese (ja)
Inventor
千賀子 廣見
満夫 葛山
琢哉 小泉
Original Assignee
Ykk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 Ykk株式会社 filed Critical Ykk株式会社
Priority to PCT/JP2022/015700 priority Critical patent/WO2023188040A1/fr
Publication of WO2023188040A1 publication Critical patent/WO2023188040A1/fr

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    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/02—Slide fasteners with a series of separate interlocking members secured to each stringer tape
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/34—Stringer tapes; Flaps secured to stringers for covering the interlocking members

Definitions

  • the present invention relates to a fastener stringer comprising a row of metal elements.
  • the present invention also relates to a slide fastener provided with the fastener stringer.
  • the present invention also relates to an article provided with the slide fastener.
  • Slide fasteners are opening/closing devices used not only for everyday items such as clothing, bags, shoes, and miscellaneous goods, but also for industrial items.
  • Slide fasteners generally include a pair of elongated fastener tapes, a number of elements that are the interlocking parts of the fastener attached along one edge of each fastener tape, and opposing elements that engage or separate to open and close the fastener. It mainly consists of three parts of the slider to control.
  • Patent Document 2 Utility Model Registration No. 31923707 discloses that when there is an urgent need to remove clothes, it is possible to remove clothes by applying external force without operating the slider.
  • a slide fastener that can be separated (destructed) is described.
  • Patent Document 2 discloses a slide fastener characterized in that at least one of a pair of fastener tapes is provided with a fragile portion, and the zipper tape is separated starting from the fragile portion by applying an external force to the fastener tape. is listed. Intermittent slits and melted parts are described as weak parts. It is also described that by forming the fastener tape with a nonwoven fabric, the fastener tape itself becomes a fragile part.
  • Patent Document 1 it is necessary to irradiate electromagnetic energy such as radio waves or microwaves to decompose the textile product.
  • electromagnetic energy such as radio waves or microwaves
  • the present invention was created against the background of the above circumstances, and provides a fastener stringer that allows a metal element or a fastener tape portion containing a metal element to be easily separated from an article without using any special equipment.
  • One of the challenges is to provide the following.
  • Another object of the present invention is to provide a slide fastener equipped with such a fastener stringer.
  • Another object of the present invention is to provide an article equipped with such a slide fastener.
  • a fastener stringer comprising a fastener tape having a first side edge and a second side edge opposite the first side edge, and a row of metal elements attached along the first side edge, the fastener stringer comprising: A water-soluble thread is used in a portion of the fastener tape that is closer to the first side edge than the center line of the fastener tape, and the dissolution of the water-soluble thread reduces the attachment strength of the row of metal elements; Alternatively, the fastener stringer is configured such that the fastener tape is separated into at least two parts starting from a water-soluble thread.
  • the rows of metal elements are crimped and fixed so as to sandwich at least one core string provided along the first side edge of the fastener tape, and the water-soluble thread is attached to the at least one core string.
  • the at least one core string has at least one core thread and a skin thread knitted around the core thread, and the water-soluble thread constitutes at least a part of the core thread [1] Or the fastener stringer according to [2].
  • At least one core string is sewn along the first side edge of the fastener tape with a water-soluble thread, and the row of metal elements is crimped and fixed so as to sandwich the at least one core string.
  • the fastener stringer according to any one of [1] to [3].
  • the fastener tape has a first side edge, a first fastener tape portion having a first width extending in a direction perpendicular to the first side edge, and a second side edge, the second side edge being perpendicular to the second side edge.
  • a second fastener tape portion having a second width extending in the direction;
  • the average value of the first width is smaller than the average value of the second width, and the first zipper tape part and the second zipper tape part are sewn together with a water-soluble thread.
  • Fastener stringers as described in section.
  • a slide fastener comprising the fastener stringer according to any one of [1] to [5].
  • An article equipped with a slide fastener according to an embodiment of the present invention can be manufactured by attaching a metal element or a fastener tape portion containing a metal element to the article by a simple operation of dissolving water-soluble threads without using any special equipment. allows for easy separation from
  • FIG. 1 is a schematic front view of a slide fastener according to an embodiment of the present invention.
  • FIG. 2 is a schematic front view illustrating a slide fastener according to an embodiment of the present invention in a state where the water-soluble threads that stitch together the first fastener tape part and the second fastener tape part are dissolved and separated.
  • FIG. 3 is a schematic perspective view for explaining how the metal element is crimped and fixed to the core of the fastener tape.
  • FIG. 2 is a schematic perspective view showing a first structural example of a core portion of a fastener tape. It is a schematic perspective view which shows the second structure example of the core part of a fastener tape. It is a typical sectional view showing a third structural example of a core part of a fastener tape.
  • the vertical direction does not need to coincide with the vertical direction (direction of gravity). That is, the directional terms referred to herein are to be understood in terms of the slide fastener and not in terms of the vertical direction (direction of gravity), and are independent of the vertical direction (direction of gravity).
  • FIG. 1 shows a schematic front view of a slide fastener 10 according to an embodiment of the present invention.
  • the slide fastener 10 includes a fastener tape 1 having a first side edge 1a and a second side edge 1b opposite to the first side edge 1a, and a row of metal elements 3 attached along the first side edge 1a.
  • a pair of fastener stringers 7 are provided.
  • the slide fastener 10 includes a slider 6 that is disposed between a pair of opposing rows of metal elements 3 and is vertically slidable for engaging and disengaging the metal elements 3.
  • the fastener tape 1 includes a core portion 2 on the first side edge 1a.
  • the plurality of metal elements 3 are crimped and fixed to the core portion 2 at predetermined intervals.
  • an upper stopper 4 and a lower stopper 5 are crimped and fixed to the core 2 of the fastener tape 1.
  • a piece of fastener tape in which a row of elements is attached along one side edge is called a fastener stringer, and a pair of fastener stringers in which rows of elements are engaged with each other is called a fastener chain.
  • the lower stopper may be a separable fitting that includes an insert pin, a box pin, and a box body, so that the slide fastener can be separated to the left and right by opening and separating the slider.
  • Other embodiments not shown are also possible.
  • the fastener tape 1 used in this embodiment a general-purpose fastener tape can be used, except that water-soluble thread may be used, and no special specifications are required.
  • the material of the fastener tape 1 is not limited, but may be, for example, natural fibers such as cotton, natural resin fibers, or synthetic resin fibers. Generally, fastener tapes are constructed by weaving or knitting these fibers.
  • the fastener tape 1 can typically be made of cotton, polyester, polyamide, polypropylene, acrylic, or the like. Among these, polyester is preferred because it has excellent horizontal tensile strength. In addition, considering the recyclability of the zipper tape portion described later, cotton is preferable.
  • Materials for the metal elements, sliders, bottom stops, and top stops include, but are not limited to, copper (pure copper), copper alloys (red copper, brass, nickel silver, etc.), and aluminum alloys (Al-Cu alloys).
  • titanium, titanium Alloys, zinc, zinc alloys, iron, iron alloys (stainless steel, etc.), etc. can be used.
  • the surface of the metal element may be further subjected to surface treatments such as plating treatment, chemical conversion treatment, gloss polishing, and electrodeposition coating.
  • the water-soluble yarn 8 is used in a portion of the fastener tape that is closer to the first side edge 1a than the center line C (extending in the longitudinal direction) of the fastener tape 1.
  • the fastener tape portion includes a core portion 2. If this water-soluble thread is dissolved in any liquid, for example water, the attachment strength of the row of metal elements 3 is reduced, and/or the fastener tape 1 is divided into at least two parts starting from this water-soluble thread.
  • the fastener stringer 7 is configured to be separated.
  • water-soluble thread any known water-soluble thread can be used.
  • bath ratio read weight: liquid weight
  • threads with a weight loss rate of 50% by mass or more when left standing in water at 95°C for 10 minutes at a bath ratio (thread weight: liquid weight) of 1:50 are preferred; It is more preferable that the yarn has a weight loss rate of 80% by mass or more when left standing in water for 10 minutes at a bath ratio (thread weight:liquid weight) of 1:50.
  • the water-soluble thread can have a tensile strength of 3 cN/dtx or more, for example, 3 to 5 cN/dtx. Further, the water-soluble thread preferably has a high seam tensile strength of 350N or more, for example, 350 to 500N when used as a suture thread.
  • the tensile strength of the yarn refers to the single yarn tensile strength (standard time) measured by the JIS method specified in JIS L1095:2010.
  • the seam tensile strength refers to the grab method (stitch horizontal method, standard seam tensile strength) specified in JIS L1093:2011.
  • Exemplary water-soluble threads include threads made from water-soluble polyvinyl alcohol-based (PVA-based) synthetic fibers.
  • PVA-based synthetic fibers that have excellent dimensional stability under high humidity are preferred.
  • PVA-based synthetic fibers can be produced, for example, by the production methods described in JP-A-7-90714 and JP-A-11-146,988. That is, a spinning stock solution obtained by dissolving a PVA-based polymer having a dissolution temperature in water of 100° C. or less in an organic solvent (solidifying solvent) is wet-spun into a solidifying bath mainly composed of an organic solvent that has a solidifying ability for the polymer.
  • water-soluble PVA-based synthetic fibers include "Kuraron K-II (registered trademark)” manufactured by Kuraray Co., Ltd. and “Solbron (registered trademark)” manufactured by Nichibi Co., Ltd. Can be mentioned.
  • water-soluble threads include easily alkali-soluble threads such as copolymerized polyester threads and polylactic acid threads.
  • easily alkali-soluble copolymerized polyester yarn is produced by, for example, directly reacting terephthalic acid with ethylene glycol, and when an oligomer with an esterification rate of 80 to 95% is obtained, methyl ester of isophthalic acid containing metal sulfonate groups is produced.
  • polyalkylene glycol is added in an amount of 10 to 13% by weight to the polymer, such that the product of both is in the range of 26 to 30. , can be produced by polymerization reaction under reduced pressure.
  • a specific example of such a copolymerized polyester yarn is "Bellpure (registered trademark)” manufactured by KB Seiren Co., Ltd.
  • Examples of readily alkali-soluble polylactic acid threads include “Terramac (registered trademark)” manufactured by Unitika Co., Ltd., “Geodyna (Plastarch) (registered trademark)” manufactured by Kuraray Co., Ltd., and Toray Industries, Inc. ) product name ⁇ Ecodia (registered trademark)'', etc.
  • the row of metal elements is crimped and fixed to sandwich at least one core string provided along the first side edge of the fastener tape, and the row of metal elements is crimped to sandwich at least one core string provided along the first side edge of the fastener tape. It constitutes at least a part of the core string of the book.
  • FIG. 3 shows how the metal element 3 is crimped and fixed to the core 2 of the fastener tape 1.
  • the metal element 3 has a pair of legs 31a, 31b that sandwich the fastener tape 1 from the front and back, and each leg 31a, which straddles the enormous core 2 formed on the first side edge 1a of the fastener tape 1.
  • 31b and a head 32 having an engagement region (in FIG. 3, an engagement convex portion 32a and an engagement recess 32b) for engaging with the opposing metal element 3 when a fastener chain is constructed.
  • the engagement protrusion 32a is formed to protrude in the element arrangement direction A (vertical direction) shown in FIG. 3, and the engagement recess 32b is formed on the opposite side of the element arrangement direction A with respect to the engagement protrusion 32a.
  • the core portion 2 can be provided with at least one core string 21 extending along the first side edge 1a.
  • the metal element 3 is fixed to the core part 2 by crimping the legs 31a and 31b so as to sandwich the core string 21. Therefore, when the water-soluble thread constitutes at least one, preferably half or more, and more preferably at least a part of all the core strings 21, the core string 21 is dissolved by dissolving the water-soluble thread forming the core string 21. 2 shrinks, the attachment strength of the row of metal elements 3 decreases.
  • at least one core string 21 has at least one, preferably two or more core threads 21a and a skin thread 21b knitted around the core thread 21a, and includes a water-soluble thread. constitutes at least a part, preferably all, of the core thread 21a.
  • the water-soluble thread may constitute at least a portion of the skin thread 21b.
  • FIGS. 4-1 and 4-2 show schematic perspective views of a structural example of the core portion 2 in which the water-soluble thread constitutes at least a portion of at least one core string 21.
  • the core 2 formed on the first side edge 1a of the woven fabric fastener tape 1 has a single core string 21 that is integrally woven with a bag weave structure. has.
  • the core string 21 has two or more core threads 21a and a skin thread 21b knitted around the core thread 21a, and the water-soluble thread constitutes at least a part, preferably all, of the core thread 21a.
  • a water-soluble yarn may constitute at least a portion, preferably all, of the skin yarn 21b.
  • the metal element 3 is crimped and fixed so as to sandwich a single core string 21 provided along the first side edge 1a.
  • the core 2 formed on the first side edge 1a of the woven fabric fastener tape 1 has two core strings 21 that are integrally woven with a bead weave structure. has.
  • the two core strings 21 are provided in parallel in the thickness direction of the fastener tape 1 along the first side edge 1a.
  • Each of the core strings 21 has two or more core threads 21a and a leather thread 21b knitted around the core threads 21a, and the water-soluble thread constitutes at least a part, preferably all, of the core threads 21a. do.
  • a water-soluble yarn may constitute at least a portion, preferably all, of the skin yarn 21b.
  • the metal element 3 is crimped and fixed so as to sandwich two core strings 21 provided along the first side edge 1a.
  • the fastener stringer is constructed such that the water-soluble threads dissolve, thereby reducing the attachment strength of the row of metal elements.
  • At least one core string is provided.
  • the core string becomes easy to separate from the fastener tape. For this reason, the rows of metal elements crimped and fixed to the core string also tend to separate from the fastener tape together with the core string, thereby reducing the attachment strength.
  • FIG. 4-3 shows a schematic cross-sectional view of a structural example of a core portion including at least one core string sewn along the first side edge of the fastener tape with a water-soluble thread.
  • the core 2 formed on the first side edge 1a of the woven or knitted fastener tape 1 is sewn to the front and back sides of the fastener tape 1 with a suture thread. It has two core strings 21.
  • the suture thread is, for example, a needle thread 23a that forms a first sewing line on the first main surface 1c side of the fastener tape 1, and a second sewing line that forms a second sewing line on the second main surface 1d side of the fastener tape 1.
  • the looper thread 23b can be used as a looper thread 23b.
  • stitching There are no particular restrictions on the stitching, but examples include chain stitching and lock stitching.
  • chain stitching since the amount of needle thread and looper thread used is different, the thickness of both threads and the thickness of the core string must be adjusted in order to ensure the correct installation and strength of the element, top stop, bottom stop, etc. It is desirable to adjust the Specifically, it is preferable to make the needle thread 23a thicker than the looper thread 23b, and to make the core string 21 sewn to the needle thread 23a thicker than the core string 21 sewn to the looper thread 23b.
  • the needle thread 23a and the looper thread 23b have the same thickness, and that the core string 21 sewn to the needle thread 23a has the same thickness as the core string 21 sewn to the looper thread 23b. .
  • a fastener stringer is configured such that the fastener tape is separated into at least two parts starting from the water-soluble threads by dissolving the water-soluble threads.
  • the fastener tape is separated into at least two parts starting from the water-soluble threads by dissolving the water-soluble threads.
  • the fastener tape 1 has a first side edge 1a, and a first fastener tape portion 11 having a first width W1 extending in a direction perpendicular to the first side edge 1a;
  • the second fastener tape portion 12 has a second side edge 1b and has a second width W2 extending in a direction perpendicular to the second side edge 1b, and the average value of the first width W1 is the average value of the second width W2.
  • the first fastener tape section 11 and the second fastener tape section 12 are sewn together with the water-soluble thread 8.
  • the water-soluble thread 8 which is a suture thread, it can be separated into a first fastener tape section 11 and a second fastener tape section 12 including a row of metal elements 3 (FIG. 2). .
  • the ratio of the average value of the second width W2 to the average value of the first width W1 is determined by the ratio of the average value of the second width W2 to the average value of the first width W1. From the viewpoint of increasing the ratio of the fastener tape portion 12, it is preferably 1.1 or more, more preferably 1.5 or more, and even more preferably 2.0 or more. Although no particular upper limit is set for the ratio, considering the width that the fastener tape 1 normally has, it is usually 4.0 or less, and typically 3.0 or less.
  • the fastener tape 1 can be separated into two parts by dissolving the water-soluble thread 8, but in order to separate the fastener tape 1 into three or more parts, three or more fastener tape parts are used.
  • a fastener tape may be constructed and each fastener tape portion may be sewn together with a water-soluble thread.
  • part or all of the fastener tape portion itself closer to the first side edge 1a than the center line C (extending in the longitudinal direction) of the fastener tape 1 is woven or knitted with water-soluble yarn. It's okay.
  • a slide fastener according to an embodiment of the present invention can be attached to various articles, and particularly functions as an opening/closing tool.
  • Articles equipped with the slide fastener are not particularly limited, but include everyday items such as clothing, bags, shoes, and miscellaneous goods, as well as industrial items such as water storage tanks, fishing nets, and space suits.
  • the slide fastener can be sewn onto the article.
  • the slide fastener can be sewn along the second side edge of the fastener tape.
  • FIG. 1 schematically shows a suture thread 13 used when sewing the slide fastener 10 onto an article.
  • the sewing line formed by the suture thread 13 along the second side edge 1b is preferably located in a portion of the fastener tape that is closer to the second side edge 1b than the center line C of the fastener tape 1.
  • Water-soluble threads can be used for suture 13, but for slide fasteners that are sewn onto an article, after the metal elements have separated from the fastener tape, or when the portion of the fastener tape containing the metal elements is sewn onto the article.
  • the suture thread 13 is a water-insoluble material in order to increase the recycling rate.
  • it is a sex thread.
  • the fastener tape contains the same material as the material used in the article.
  • the article comprises polyester
  • the fastener tape also comprises polyester.
  • the same material means a material with a common basic chemical structure, and in the case of a polymer, a material with a common type of bond between monomers. The molecular weight, position and type of functional groups do not need to be the same.
  • materials that share the leftmost notation of "fiber” in Attached Table 5 of the Textile Product Quality Labeling Regulations of the Household Goods Quality Labeling Act can be said to be the "same material.”
  • the type of "fiber” include cotton, acetate fiber, viscose fiber, nylon fiber, polyester synthetic fiber, polyurethane synthetic fiber, polyethylene synthetic fiber, and vinylon fiber.
  • a slide fastener according to an embodiment of the present invention includes water-soluble threads in a portion of the fastener tape that is closer to the first side edge than the center line C of the fastener tape. For this reason, with respect to a slide fastener sewn to an article, after the metal element is separated from the fastener tape, or after the fastener tape portion including the metal element is separated from the fastener tape portion sewn to the article, It is possible to increase the proportion of the zipper tape portion that remains after being sewn onto the article. Therefore, when the remaining fastener tape portion is recycled together with the article, the effect of improving the recycling rate can be obtained.
  • Fastener tape 1a First side edge 1b : Second side edge 1c : First main surface 1d : Second main surface 2 : Core part 3 : Metal element 4 : Top stop 5 : Bottom stop 6 : Slider 7 : Fastener stringer 8 : Water-soluble thread 10 : Slide fastener 11 : First fastener tape part 12 : Second fastener tape part 13 : Suture thread 21 : Core string 21a : Core thread 21b : leather thread 23a : Needle thread 23b : Looper thread 31a : Leg part 31b : Leg part 32 : Head part 32a : Engagement convex part 32b : Engagement concave part

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Abstract

La présente invention concerne une demi-chaîne de fermeture à glissière pourvue d'une bande de fermeture (1) ayant un premier bord latéral (1a) et un second bord latéral (1b) opposé au premier bord latéral (1a), et une rangée d'éléments métalliques (3) fixés s'étendant le long du premier bord latéral (1a), la demi-chaîne de fermeture étant configurée de telle sorte que : un fil soluble dans l'eau (8) est utilisé dans une partie de la bande de fixation plus proche du premier bord latéral (1a) que la ligne centrale (C) de la bande de fermeture (1) ; et lorsque le fil soluble dans l'eau (8) se dissout, la force de fixation de la rangée des éléments métalliques (3) diminue ; et/ou la bande de fermeture (1) se sépare en au moins deux parties avec le fil soluble dans l'eau (8) en tant que point de départ.
PCT/JP2022/015700 2022-03-29 2022-03-29 Demi-chaîne de fermeture à glissière pourvue de rangées d'éléments métalliques, fermeture à glissière pourvue de celle-ci, et article pourvu d'une fermeture à glissière WO2023188040A1 (fr)

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PCT/JP2022/015700 WO2023188040A1 (fr) 2022-03-29 2022-03-29 Demi-chaîne de fermeture à glissière pourvue de rangées d'éléments métalliques, fermeture à glissière pourvue de celle-ci, et article pourvu d'une fermeture à glissière

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Application Number Priority Date Filing Date Title
PCT/JP2022/015700 WO2023188040A1 (fr) 2022-03-29 2022-03-29 Demi-chaîne de fermeture à glissière pourvue de rangées d'éléments métalliques, fermeture à glissière pourvue de celle-ci, et article pourvu d'une fermeture à glissière

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7477226B1 (ja) 2023-05-26 2024-05-01 東和株式会社 ファスニング製品のリサイクル構造およびリサイクル方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006034491A (ja) * 2004-07-26 2006-02-09 Ykk Corp スライドファスナー用ストリンガーおよびその製造方法
WO2019106806A1 (fr) * 2017-11-30 2019-06-06 Ykk株式会社 Bande de fixation, demi-chaîne de fermeture, fermeture à glissière, vêtement et procédé de fabrication de vêtement
CN111996636A (zh) * 2020-08-31 2020-11-27 浙江伟星实业发展股份有限公司 一种能实现完全降解的纱线及拉链布带、拉链

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006034491A (ja) * 2004-07-26 2006-02-09 Ykk Corp スライドファスナー用ストリンガーおよびその製造方法
WO2019106806A1 (fr) * 2017-11-30 2019-06-06 Ykk株式会社 Bande de fixation, demi-chaîne de fermeture, fermeture à glissière, vêtement et procédé de fabrication de vêtement
CN111996636A (zh) * 2020-08-31 2020-11-27 浙江伟星实业发展股份有限公司 一种能实现完全降解的纱线及拉链布带、拉链

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7477226B1 (ja) 2023-05-26 2024-05-01 東和株式会社 ファスニング製品のリサイクル構造およびリサイクル方法

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