WO2021117177A1 - 止水ファスナとその製造方法 - Google Patents

止水ファスナとその製造方法 Download PDF

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Publication number
WO2021117177A1
WO2021117177A1 PCT/JP2019/048618 JP2019048618W WO2021117177A1 WO 2021117177 A1 WO2021117177 A1 WO 2021117177A1 JP 2019048618 W JP2019048618 W JP 2019048618W WO 2021117177 A1 WO2021117177 A1 WO 2021117177A1
Authority
WO
WIPO (PCT)
Prior art keywords
fastener
waterproof
pair
seal layer
slider
Prior art date
Application number
PCT/JP2019/048618
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
剛 高荷
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 US17/777,280 priority Critical patent/US11877628B2/en
Priority to CN201980101884.0A priority patent/CN114641220A/zh
Priority to PCT/JP2019/048618 priority patent/WO2021117177A1/ja
Priority to JP2021563526A priority patent/JPWO2021117177A1/ja
Priority to EP19955999.8A priority patent/EP4074209B1/en
Publication of WO2021117177A1 publication Critical patent/WO2021117177A1/ja

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/32—Means for making slide fasteners gas or watertight
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/10—Slide fasteners with a one-piece interlocking member on each stringer tape
    • A44B19/12—Interlocking member in the shape of a continuous helix

Definitions

  • the present invention relates to a waterproof fastener having a waterproof function and a method for manufacturing the same.
  • the slide fasteners disclosed in Patent Documents 1 and 2 mesh and mesh a pair of tapes, a fastener element provided along an edge portion of the pair of tapes adjacent to each other, and a pair of fastener elements.
  • a slider for releasing is provided.
  • a coiled fastener element is provided on one surface of the pair of tapes, and a waterproof sealing material layer is adhered to the entire surface on the other surface.
  • the slide fastener disclosed in Patent Document 3 is also provided with a coiled fastener element on one surface of the pair of tapes.
  • a waterproof sealant is applied to this surface on which the fastener element is provided, and the waterproof sealant flows into the gap between the fastener elements, fills the edges of the pair of tapes adjacent to each other and becomes solid, and closes the pair of tapes. In the state of being in close contact with each other without any gaps.
  • the waterproof fastener of the above background technology has a complicated manufacturing process, and it is not considered to simply add a waterproof function.
  • the waterproof sealant has penetrated into the gap between the fastener elements, the waterproof sealant has resistance to the movement of the slider, and the operability at the time of meshing or disengaging is not good.
  • the present invention has been made in view of the above-mentioned problems of the background technology, and provides a waterproof fastener having a simple structure and a simple manufacturing method, which can easily obtain waterproofness, and a manufacturing method thereof.
  • the purpose is.
  • the present invention is provided with a pair of fastener tapes, a fastener element provided on one end edge side along the longitudinal direction of one surface of the fastener tape, and a slider for engaging and disengaging the fastener element.
  • a waterproof seal layer having a predetermined width is provided along the longitudinal direction at a position where the fastener element is provided. Water fastener.
  • the width of the waterproof seal layer in the direction orthogonal to the longitudinal direction is narrower than the width of the slider, and the waterproof seal layer does not come into contact with the fastener element, and the pair of fastener tapes are engaged with the fastener element. In the closed state, the ends of the fastener tape near the edge are in contact with each other without overlapping in the thickness direction and are in close contact with each other in a liquid-tight manner.
  • the width of the waterproof seal layer in the direction orthogonal to the longitudinal direction may be substantially the same as or narrower than the distance between both ends of the pair of fastener elements in the meshed state.
  • the waterproof seal layer may be formed of, for example, a silicone resin.
  • the fastener element is provided on the other surface of the edge portion that is folded in half by a fold line so that the other surface of the fastener tape is convex along the edge portion of the fastener tape.
  • the slider is engaged with the edge portion.
  • a waterproof layer is provided on the surface of the fastener tape opposite to the fastener element, and the waterproof seal layer is provided on the surface of the waterproof layer, and the waterproof seal layer is narrower than the width of the waterproof layer.
  • the waterproof layer may be formed of, for example, a polyurethane resin.
  • a fastener element is attached to one end edge side along the longitudinal direction of one surface of a pair of fastener tapes to form a slide fastener chain, and the fastener elements are meshed with each other to form the pair of slide fasteners.
  • the chain is closed, and a synthetic resin is applied to the edge side of the fastener tape on the surface opposite to the fastener element to a predetermined width along the longitudinal direction, and the coating width of the synthetic resin is the slider.
  • the synthetic resin is formed to be narrower than the width of the fastener, the applied synthetic resin is cured, and the synthetic resin is cut along the edge portion to form a pair of left and right waterproof seal layers of the pair of fastener tapes.
  • a waterproof layer is provided on the surface of the fastener tape opposite to the fastener element, the synthetic resin is applied to the surface of the waterproof layer, and the synthetic resin is cut along the edge portion to cut the waterproof seal layer. May be provided.
  • the waterproof fastener of the present invention and its manufacturing method have a simple structure, and waterproofness can be easily obtained by a simple manufacturing method. Further, in the present invention, since the slider has a structure that slides without contacting the waterproof seal layer, the sliding resistance of the slider is small and the operability of the slider is good. This is because the resin forming the waterproof seal layer has a larger frictional resistance to the slider than the fastener tape, so in the case of a structure in which the slider slides on the surface of the waterproof seal layer, the slider has a relatively large sliding resistance. Because it works. Further, since the waterproof seal layer is about the width of the fastener element and the other parts of the fastener tape are not coated with the waterproof seal layer, the flexibility of the fastener tape is not impaired by the waterproof seal layer.
  • the applied synthetic resin is cut along the longitudinal direction to provide a pair of waterproof seal layers on the left and right, so the ends where the pair of left and right waterproof seal layers close each other are finished cleanly.
  • the waterproof seal layers do not overlap in the thickness direction, no gaps are opened, and the waterproof seal layers are surely adhered to each other to exhibit the water blocking function.
  • the waterproof fastener of the first embodiment of the present invention and the manufacturing method thereof will be described with reference to the drawings.
  • 1 to 4 show the first embodiment of the present invention
  • the waterproof fastener 10 of this embodiment is fixed to a pair of fastener tapes 12 and an end edge portion 12a of each fastener tape 12 together with a core string 14. It has a fastener element 16 and the fastener element 16.
  • the fastener elements 16 provided on the edge portions 12a of the pair of left and right fastener tapes 12 are formed by forming one resin monofilament into a coil shape, and are sewn together with the core string 14 by the fixing thread 18. ing.
  • the fastener element 16 is folded in half along the edge portion 12a along the longitudinal direction of the fastener tape 12 so that the surface 12b of the fastener tape 12 is convex, and then folded in half to form the back surface. It is stacked on 12c and fixed to the surface 12b side of the stacked portion.
  • the fastener element 16 includes a meshing head 16a whose end portion is crushed and widened in the radial direction, and a leg portion 16b extending from the meshing head 16a toward the fastener tape 12.
  • the fastener elements 16 provided on the end edges 12a of the pair of fastener tapes 12 facing each other are formed in a structure in which the meshing heads 16a are engaged with each other and are not separated from each other in the meshed state.
  • the meshing head 16a projects slightly outward from the folding line 13.
  • the waterproof seal layer 20 is provided with a predetermined width about the folding line 13 at the center.
  • the waterproof seal layer 20 is formed of a silicon resin which is a synthetic resin, is provided on each pair of fastener tapes 12, and is in a state where the pair of fastener tapes 12 face each other and mesh with each other, and the pair of waterproof seal layers 20 are engaged with each other.
  • the end portions 20a of 20 which are continuous with the folding line 13 are in liquid-tight contact with each other.
  • the waterproof seal layer 20 is provided only on the surface 12b side of the fastener tape 12, and does not come into contact with the fastener element 16.
  • the waterproof seal layer 20 is formed so that the portion of the end portion 20a corresponding to the folding line 13 is slightly thicker than the other portions.
  • the width of the waterproof seal layer 20 in the direction orthogonal to the longitudinal direction is preferably formed to be narrower than the width of the slider 24 described later.
  • the waterproof seal layer 20 may have a width substantially equal to or narrower than the distance between both ends of the pair of fastener elements 16 in the meshed state.
  • a slider 24 for engaging and disengaging the fastener element 16 is attached to a fastener tape 12 having a predetermined length to which the fastener element 16 and the waterproof seal layer 20 are attached. As shown in FIG. 4, the slider 24 engages with the edge portion 12a folded back at the folding line 13 of the fastener tape 12 and is located on the back surface 12c side of the fastener tape 12.
  • the fastener element 16 is attached to the edge portion 12a of the long fastener tape 12 to form a long slide fastener chain.
  • Silicon resin with a predetermined width along the longitudinal direction of the slide fastener chain at the position where the folding lines 13 of the long fastener tape 12 abut each other in a state where the fastener elements 16 of the pair of long slide fastener chains are meshed with each other. Is applied and cured. At this time, the silicone resin is applied only to the surface 12b side of the fastener tape 12, and does not reach the fastener element 16.
  • the cured silicone resin is cut along the folding line 13 in a direction substantially perpendicular to the surface 12b, and divided into two parts on the left and right.
  • the cut surface becomes a pair of left and right end portions 20a, and in a state where the waterproof fastener 10 is closed by the slider 24, the end portions 20a do not overlap each other in the thickness direction and come into contact with each other without a gap, and are in close contact with each other in a liquid-tight manner.
  • the center in the width direction becomes thicker due to its viscosity, and the vicinity of the end portion 20a located at the center in the width direction becomes thicker.
  • the long slide fastener chain provided with the waterproof seal layer 20 is cut to a predetermined length, and the slider 24 is attached to make the waterproof fastener 10.
  • a silicon resin is applied with a predetermined width, the silicon resin is cut along the longitudinal direction of the slide fastener chain, and a slider 24 is attached to serve as a waterproof fastener 10. Good.
  • the meshing portion of the fastener element 16 of the slide fastener can be easily waterproofed by a simple structure and a simple manufacturing method. Since the silicone resin forming the waterproof seal layer 20 has a larger frictional resistance to the slider 24 than the fastener tape 12, in the case of a structure in which the slider 24 slides on the surface of the waterproof seal layer 20, it is relatively large on the slider 24. Sliding resistance acts. However, since the slider 24 of the waterproof fastener 10 of this embodiment has a structure that slides without contacting the waterproof seal layer 20, the sliding resistance when moving the slider 24 is small, and the operability of the slider 24 is small. Is good.
  • the waterproof seal layer 20 is about the width of the fastener element 16 and the waterproof seal layer 20 is not applied to the other parts of the fastener tape 12, the flexibility of the fastener tape 12 is not impaired by the waterproof seal layer 20. .. Further, the fastener tape 12 is pierced with a thread for attaching to the sewing object to be attached, but it is difficult to sew when the waterproof seal layer 20 is in the sewing position, and the flexibility after sewing is also increased. Deprived. For the above reasons, the waterproof seal layer 20 is preferably about the width of the fastener element 16.
  • the waterproof fastener 10 of this embodiment and the manufacturing method thereof since the silicone resin is applied along the longitudinal direction in a narrow range of a predetermined width including the folding line 13, the work of forming the waterproof seal layer 20 is short. Efficient in time.
  • the applied silicone resin can be cut in the longitudinal direction to cleanly finish the end portion 20a, and when the pair of fastener tapes 12 are closed, the end portions 20a, which are the cut surfaces, may overlap or have a gap. It does not adhere to the water tightly.
  • the waterproof seal layer 20 has a high shape near the center in the width direction due to the viscosity of the silicone resin when applied, and has the thickest portion near the end portion 20a cut after solidification, so that the waterproof seal layer 20 can adhere to each other over a wide area.
  • the manufacturing method is simple, the waterproof function can be obtained at low cost, and it can be widely used in sports, outdoor activities, casual fields, and the like.
  • the waterproof fastener 30 of this embodiment has a pair of fastener tapes 12 and a fastener element 16 fixed to an end edge portion 12a of each fastener tape 12 together with a core cord 14.
  • the fastener element 16 has a fastener tape 12 attached to the back surface 12c along the edge portion 12a.
  • the meshing head portion 16a of the fastener element 16 projects slightly outward from the edge portion 12a.
  • the surface 12b of the fastener tape 12 is covered with a thin waterproof layer 32.
  • the waterproof layer 32 is, for example, a polyurethane film.
  • the end portion 32a of the waterproof layer 32 on the edge portion 12a side of the fastener tape 12 projects slightly outward from the edge portion 12a. Therefore, in a state where the pair of fastener tapes 12 are engaged with the edge portions 12a facing each other, the end portions 32a of the pair of waterproof layers 32 are liquid-tightly pressed against each other.
  • the waterproof layer 32 covers the seams of the fixing threads 18 appearing on the surface 12b of the fastener tape 12.
  • the waterproof seal layer 34 On the surface 32b of the waterproof layer 32 opposite to the fastener tape 12, the waterproof seal layer 34 has a predetermined width in a direction orthogonal to the longitudinal direction of the fastener tape 12 and a predetermined width along the end portion 32a. It is provided.
  • the waterproof seal layer 34 is formed by applying a silicone resin and is provided on each of the pair of fastener tapes 12, and the pair of fastener tapes 12 are engaged with each other with the end edge portions 12a facing each other, and the pair of waterproof seals are sealed.
  • the end 32a of the waterproof layer 32 and the flushly continuous end 34a of the layer 34 are pressed against each other and come into contact with each other in a liquid-tight manner.
  • the waterproof seal layer 34 is provided only on the surface 12b side of the fastener tape 12 and does not come into contact with the fastener element 16.
  • the waterproof seal layer 34 is formed so that the portion of the end portion 34a corresponding to the end portion 32a is slightly thicker than the other portions.
  • the width of the waterproof seal layer 34 in the direction orthogonal to the longitudinal direction is preferably formed narrower than the width of the slider 24, and is approximately the same as or wider than the distance between both ends of the pair of fastener elements 16 in the meshed state. It may be narrow.
  • the fastener element 16 is attached to the back surface 12c of the end edge portion 12a of the long fastener tape 12 to form a slide fastener chain, and the fastener elements 16 of the pair of long slide fastener chains are meshed with each other.
  • a waterproof layer 32 is formed on the surface 12b of the fastener tape 12 of the above.
  • a polyurethane film may be attached to the waterproof layer 32, or a polyurethane resin may be applied to the waterproof layer 32.
  • a silicone resin is applied with a predetermined width to the surface of the waterproof layer 32 facing the position where the fastener element 16 is engaged, and cured.
  • the cured silicone resin is cut at a substantially right angle to the surface of the cured silicone resin and the waterproof layer 32 along the central portion where the edge portions 12a of the pair of fastener tapes 12 face each other, and the waterproof seal layer 34 is cut.
  • the end portion 34a of the waterproof layer 32 and the end portion 32a of the waterproof layer 32 are formed and divided into two parts on the left and right.
  • the cut surface becomes a pair of left and right end portions 32a and 34a, and with the waterproof fastener 30 closed, the end portions 32a and 34a do not overlap each other in the thickness direction and come into contact with each other without a gap and adhere to each other in a liquid-tight manner. ..
  • the waterproof layer 32 and the waterproof seal layer 34 are provided so as to overlap each other, and the opposite end portions 32a and 34a are in close contact with each other in a liquid-tight manner, and have a high waterproof function.
  • the long slide fastener chain provided with the waterproof layer 32 and the waterproof seal layer 34 is cut, and the slider 24 is attached to become the waterproof fastener 30.
  • the slide fastener chain may be cut to a predetermined length, the waterproof layer 32 and the waterproof seal layer 34 may be provided, and the slider 24 may be attached to form the waterproof fastener 30.
  • the slider 24 is attached to a fastener tape 12 having a predetermined length to which the fastener element 16, the waterproof layer 32, and the waterproof seal layer 34 are attached. As shown in FIG. 6, the slider 24 is attached with the fastener tape 12 interposed therebetween.
  • the waterproof fastener 30 of this embodiment has the same effect as the waterproof fastener 10 of the above embodiment. Since the waterproof layer 32 is provided on the surface 12b of the fastener tape 12 and the waterproof seal layer 34 is provided on the surface 32b of the waterproof layer 32, the waterproof function of the fastener tape 12 portion is high. Since the waterproof layer 32 is provided, the width of the waterproof seal layer 34 can be narrowed. When the waterproof seal layer 34 is applied, it has a high shape near the center in the width direction due to its viscosity, and the vicinity of the end portion 34a is the thickest, so that it can be adhered in a wide area.
  • the water-stopping fastener of the present invention and the method for producing the same are not limited to the above-described embodiment, and the synthetic resin such as silicon resin is a chemically synthesized material containing synthetic rubber and can be applied. Any material that can be closely attached in a watertight state after curing may be used.
  • the structure of the fastener element and slider can be freely changed, and the width and length of the fastener tape can also be freely set according to the application.
  • the material of the waterproof seal layer and the waterproof layer may be other than the above.

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  • Slide Fasteners (AREA)
PCT/JP2019/048618 2019-12-12 2019-12-12 止水ファスナとその製造方法 WO2021117177A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US17/777,280 US11877628B2 (en) 2019-12-12 2019-12-12 Watertight fastener and method for manufacturing same
CN201980101884.0A CN114641220A (zh) 2019-12-12 2019-12-12 止水拉链及其制造方法
PCT/JP2019/048618 WO2021117177A1 (ja) 2019-12-12 2019-12-12 止水ファスナとその製造方法
JP2021563526A JPWO2021117177A1 (en26) 2019-12-12 2019-12-12
EP19955999.8A EP4074209B1 (en) 2019-12-12 2019-12-12 Watertight fastener and method for manufacturing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/048618 WO2021117177A1 (ja) 2019-12-12 2019-12-12 止水ファスナとその製造方法

Publications (1)

Publication Number Publication Date
WO2021117177A1 true WO2021117177A1 (ja) 2021-06-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/048618 WO2021117177A1 (ja) 2019-12-12 2019-12-12 止水ファスナとその製造方法

Country Status (5)

Country Link
US (1) US11877628B2 (en26)
EP (1) EP4074209B1 (en26)
JP (1) JPWO2021117177A1 (en26)
CN (1) CN114641220A (en26)
WO (1) WO2021117177A1 (en26)

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JPS60180516U (ja) * 1984-05-10 1985-11-30 ワイケイケイ株式会社 スライドフアスナ−
JPS615119U (ja) * 1984-06-13 1986-01-13 ワイケイケイ株式会社 気密、防水性を有するスライドフアスナ−
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CN114641220A (zh) 2022-06-17
US20220395063A1 (en) 2022-12-15
US11877628B2 (en) 2024-01-23
EP4074209A4 (en) 2022-11-23
EP4074209A1 (en) 2022-10-19
JPWO2021117177A1 (en26) 2021-06-17

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