US20250255386A1 - Fastener element for slide fastener, and slide fastener - Google Patents

Fastener element for slide fastener, and slide fastener

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Publication number
US20250255386A1
US20250255386A1 US18/847,670 US202218847670A US2025255386A1 US 20250255386 A1 US20250255386 A1 US 20250255386A1 US 202218847670 A US202218847670 A US 202218847670A US 2025255386 A1 US2025255386 A1 US 2025255386A1
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United States
Prior art keywords
fastener
fastener element
half portion
width direction
neck
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
US18/847,670
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English (en)
Inventor
Jun Shitaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YKK Corp
Original Assignee
YKK Corp
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Filing date
Publication date
Application filed by YKK Corp filed Critical YKK Corp
Assigned to YKK CORPORATION reassignment YKK CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SHITAKA, Jun
Publication of US20250255386A1 publication Critical patent/US20250255386A1/en
Pending legal-status Critical Current

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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
    • A44B19/04—Stringers arranged edge-to-edge when fastened, e.g. abutting stringers
    • A44B19/06—Stringers arranged edge-to-edge when fastened, e.g. abutting stringers with substantially rectangular members having interlocking projections and pieces

Definitions

  • the present invention relates to a fastener element for slide fastener and a slide fastener.
  • Patent Literature 1 describes a manual injection molding machine capable of injection-molding a new fastener element to a portion where a fastener element is missing.
  • a fastener element described in Patent Literature 2 a fastener tape is clamped by a pair of element half portions separated on a tape front surface side and a tape back surface side in a portion where the fastener element is damaged and missing, and a fastener element for repair is attached by performing fastening using mechanical fastening means such as a bolt member and a nut member.
  • the present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a fastener element for slide fastener which can be attached to a portion of a missing fastener element in a short time and at a low cost without being sent to a repair shop, and can have a good appearance, and a slide fastener.
  • a metal fastener element for a slide fastener including:
  • the inner convex portion includes at least three claw portions which are respectively provided at an intermediate portion in the width direction and both end portions in the width direction, and positions of the at least three claw portions in a length direction are different.
  • a slide fastener including:
  • the fastener element for slide fastener and the slide fastener of the present invention
  • the fastener element can be attached to a portion of a missing fastener element in a short time and at a low cost without being sent to a repair shop, and can have a good appearance.
  • FIG. 1 is a plan view of a slide fastener according to the present invention.
  • FIG. 2 is a perspective view of a fastener element according to a first embodiment of the present invention.
  • FIG. 4 is a front view of the fastener element shown in FIG. 2 and a fastener tape.
  • FIG. 5 is a cross-sectional view taken along a line V-V in FIG. 4 .
  • FIG. 6 is a cross-sectional view taken along a line VI-VI of FIG. 3 .
  • FIG. 7 is a cross-sectional view showing a state where the fastener element is crimped to the fastener tape at a position along the line VI-VI in FIG. 3 .
  • FIG. 8 is a front view of the fastener element after being crimped, excluding the fastener tape from FIG. 7 .
  • FIG. 9 is a perspective view of a fastener element according to a second embodiment of the present invention.
  • FIG. 10 is a front view of the fastener element shown in FIG. 9 .
  • FIG. 11 is a side view of the fastener element shown in FIG. 9 .
  • FIG. 12 is a cross-sectional view taken along a line XII-XII in FIG. 10 .
  • FIG. 13 is a cross-sectional view taken along a line XIII-XIII in FIG. 10 .
  • FIG. 14 is a cross-sectional view showing a state where the fastener element is crimped to a fastener tape along the line XIII-XIII in FIG. 10 .
  • FIG. 15 is a perspective view of a fastener element according to a third embodiment of the present invention.
  • FIG. 16 is a front view of the fastener element shown in FIG. 15 .
  • FIG. 17 is a side view of the fastener element shown in FIG. 15 .
  • FIG. 18 is a perspective view of a fastener element according to a fourth embodiment of the present invention.
  • FIG. 19 is a front view of the fastener element shown in FIG. 18 .
  • FIG. 22 is a front view of the fastener element shown in FIG. 21 .
  • FIG. 23 is a cross-sectional view taken along a line XXIII-XXIII in FIG. 22 .
  • FIG. 27 is a perspective view of a fastener element according to a seventh embodiment of the present invention.
  • FIG. 28 is a plan view of the fastener element shown in FIG. 27 .
  • FIG. 30 (a) of FIG. 30 is a cross-sectional view taken along a line XXX-XXX in FIG. 29 .
  • FIG. 31 is a front view of the fastener element after being crimped, excluding a fastener tape from FIG. 27 .
  • a fastener element for slide fastener and a slide fastener according to embodiments of the present invention will be described below.
  • a slide fastener 10 includes a pair of left and right fastener stringers 11 , 12 and a slider 13 capable of opening and closing the fastener stringers 11 , 12 .
  • Each of the fastener tapes 14 includes a tape portion 14 a and a core string 14 b provided on one side edge of the tape portion 14 a , and the core string 14 b and a part of the tape portion 14 a on a core string 14 b side serve as the tape side edge portion 14 c.
  • Each of the left and right element rows 15 is formed by a plurality of resin fastener elements 20 that are injection-molded on the tape side edge portion 14 c of the fastener tape 14 .
  • a synthetic resin material such as polyacetal, polyethylene terephthalate, or nylon can be used.
  • a metal fastener element 21 of the present embodiment is attached by being crimped to a portion of the fastener tape 14 where the resin fastener element 20 is missing, and is used to repair the fastener stringers 11 , 12 .
  • the fastener element 21 attached to the missing portion is made of a metal such as a copper alloy or a zinc alloy.
  • the fastener element 21 includes a meshing head portion 30 which has a substantially elliptical shape in a planar view and in a front surface of which a groove portion 31 having a substantially U-shaped cross section extending along the width direction is formed; and a first half portion 32 and a second half portion 33 that extend from a substantially center of the fastener element 21 in a front-back direction and branches into a substantially V shape.
  • the fastener element 21 further includes a neck portion 34 which is continuous from the meshing head portion 30 and is narrower than the meshing head portion 30 .
  • the neck portion 34 includes a portion B that has a narrowest width WS and that is narrowest in the width direction of the fastener element 21 .
  • the meshing head portion 30 includes, in front of the neck portion 34 , a portion A which is widest in the width direction of the fastener element 21 , which refers to at least a part forward than the portion A.
  • the first half portion 32 and the second half portion 33 are branched from between the portion A of the meshing head portion 30 shown in FIG. 5 which is widest in the width direction of the fastener element 21 and the portion B of the neck portion 34 which is narrowest in the width direction of the fastener element 21 .
  • a branch portion P where the first half portion 32 and the second half portion 33 branch is provided along the width direction of the fastener element 21 between the portion A and the portion B in the longitudinal direction of the fastener element 21 .
  • the branch portion P where the first and second half portions 32 , 33 branch is located closer to a meshing head portion side than later-described clamping grooves 39 a , 39 b (see FIG. 4 ).
  • the neck portion 34 On the first half portion 32 , the neck portion 34 , and a first leg portion 35 a that extends from the neck portion 34 to a side opposite to the meshing head portion 30 , that is wider than the neck portion 34 , and that is substantially rectangular in a planar view, are formed.
  • the neck portion 34 On the second half portion 33 , the neck portion 34 , and a second leg portion 35 b that extends from the neck portion 34 to the side opposite to the meshing head portion 30 , that is wider than the neck portion 34 , and that is substantially rectangular a in planar view, are formed.
  • the first half portion 32 is provided with a pair of wing-shaped shoulder portions 36 , 36 extending in the width direction between the neck portion 34 and the first leg portion 35 a .
  • Each of the pair of shoulder portions 36 , 36 is formed to straddle a center line C of the front-back direction (thickness) when the fastener element 21 is crimped and fixed to the fastener tape 14 as to be described later (see FIG. 8 ). Therefore, a thickness W 1 of the neck portion 34 of the first half portion 32 having the pair of shoulder portions 36 , 36 is formed to be thicker than a thickness W 2 of the neck portion 34 of the second half portion 33 (see FIG. 4 ).
  • the branch portion P where the first and second half portions 32 , 33 branch is located closer to the meshing head portion side than the pair of shoulder portions 36 .
  • the pair of shoulder portions 36 , 36 are engaged with the groove portions of the mating fastener elements 20 or 21 to be meshed, so as to prevent a positional displacement in the front-back direction.
  • the pair of shoulder portions 36 , 36 can be formed on both the first half portion 32 and the second half portion 33 symmetrically in the front-back direction (see a fifth embodiment), but by forming the shoulder portions only on the first half portion 32 as described above, the thickness of the shoulder portion 36 is increased, making it easier to mold the fastener element 21 .
  • the branch portion P is preferably located between the portion A of the meshing head portion 30 which is widest in the width direction of the fastener element 21 and the portion B of the neck portion 34 which is narrowest in the width direction of the fastener element 21 , and more preferably located forward than the pair of shoulder portions 36 in the longitudinal direction.
  • substantially U-shaped clamping grooves 39 a , 39 b each recessed in the front-back direction are provided along the width direction.
  • the clamping grooves 39 a , 39 b of the first and second half portions 32 , 33 cooperate with each other to accommodate the core string 14 b of the fastener tape 14 .
  • flat portions 37 , 38 are formed on the facing surfaces of the leg portions 35 a , 35 b at rear end portions (opening end portions) of the clamping grooves 39 a , 39 b , respectively, and the flat portions 37 , 38 clamp the tape portion 14 a when the fastener element 21 is crimped.
  • a maximum opening distance L between the pair of leg portions 35 a , 35 b opened in a substantially V shape is set to 85% to 90% of a diameter d of the core string 14 b of the fastener tape 14 .
  • the maximum opening distance L is set to 1.2 mm, for example.
  • each of the clamping grooves 39 a , 39 b of the first half portion 32 and the second half portion 33 an inner convex portion 40 protruding into a space S formed by the clamping grooves 39 a , 39 b and capable of biting into the core string 14 b of the fastener tape 14 is provided.
  • the inner convex portion 40 includes a substantially columnar first inner convex portion 41 protruding in the front-back direction from a bottom surface of each of the clamping grooves 39 a , 39 b and extending along the width direction across both side surfaces of each of the leg portions 35 a , 35 b in the width direction; and a rib-shaped second inner convex portion 42 perpendicularly intersecting the first inner convex portion 41 at a substantially center of the first inner convex portion 41 in a length direction thereof (width direction) and extending along the longitudinal direction across both wall surfaces of each of the clamping grooves 39 a , 39 b in the longitudinal direction.
  • the first inner convex portion 41 and the second inner convex portion 42 intersect each other in a substantially cross shape at a substantially center of each of the clamping grooves 39 a , 39 b.
  • the metal fastener element 21 of the present embodiment is attached to a portion, where the resin fastener element 20 is missing from the fastener stringers 11 , 12 , using a crimping tool (not shown).
  • the tape side edge portion 14 c of the fastener tape 14 is inserted between the flat surfaces 37 , 38 of the pair of leg portions 35 a , 35 b opened in a V shape, and the core string 14 b is located between the pair of clamping grooves 39 a , 39 b .
  • the core string 14 b is inserted into the clamping groove 39 a , 39 b while being slightly compressed, and after the core string 14 b is temporarily fixed in the clamping grooves 39 a , 39 b before crimping, the fastener tape 14 can be prevented from falling off from between the pair of leg portions 35 a , 35 b.
  • the metal fastener element 21 is positioned at a predetermined position in the width direction (upper-lower direction) such that the fastener elements 20 , 21 , and 20 have the same pitch between a pair of resin fastener elements 20 adjacent to the portion where the fastener element 20 is missing.
  • the front-back direction center portion 29 of the meshing head portion 30 is plastically deformed. Accordingly, as shown in FIG. 7 , the tape portion 14 a is clamped by the flat portions 37 , 38 of the first half portion 32 and the second half portion 33 , and at the same time, the pair of inner convex portions 40 in the clamping grooves 39 a , 39 b are bitten into the core string 14 b of the fastener tape 14 , and the fastener element 21 is crimped and fixed to the fastener tape 14 .
  • a center portion of the fastener tape 14 is pressed and deformed by the pair of inner convex portions 40 .
  • a gap S 1 is provided between a portion on a meshing head portion 30 side of the clamping grooves 39 a , 39 b and the branch portion P in the first half portion 32 and the second half portion 33 of the fastener element 21 .
  • the core string 14 b is not provided in the gap S 1 .
  • the fastener tape 14 is clamped by plastically deforming the front-back direction center portion 29 of the meshing head portion 30 , as compared with a case where the first half portion 32 and the second half portion 33 are plastically deformed, the first half portion 32 and the second half portion 33 are deformed in a natural manner and maintain good appearance. That is, the front surface 43 from the meshing head portion 30 to the first half portion 32 and the back surface 44 from the meshing head portion 30 to the second half portion 33 after the crimping are flat and parallel to each other.
  • the first inner convex portion 41 of the inner convex portion 40 extends in the width direction in each of the clamping grooves 39 a , 39 b and clamps the core string 14 b in a length direction thereof, mainly, wobbling of the fastener element 21 due to a force in the left-right direction acting on the fastener element 21 can be prevented to improve stability, and further, the fastener element 21 is prevented from falling off from the fastener tape 14 . Further, since the rib-shaped second inner convex portion 42 clamps the core string 14 b from a direction intersecting the length direction, the fastener element 21 is mainly prevented from being displaced in the width direction (upper-lower direction) with respect to the fastener tape 14 . That is, the fastener element 21 is firmly fixed to the fastener tape 14 by an anchor effect of pressing and deforming the core string 14 b by the first inner convex portion 41 and the second inner convex portion 42 that have a cross shape.
  • the slide fastener 10 can be easily repaired by crimping and attaching the new metal fastener element 21 to the portion where the resin fastener element 20 is missing from the fastener tape 14 . Further, it is not necessary to send clothes or the like requiring repair to a factory, and the time and costs for repairing the damaged fastener element can be significantly reduced, and the repair can be easily performed in the field.
  • the metal fastener element 21 has substantially the same appearance as the resin fastener element 20 , an overall appearance of the slide fastener 10 including the metal fastener element 21 and the resin fastener element 20 can be maintained.
  • the second inner convex portion 42 of the first half portion 32 is formed to be offset from a width-direction center WC of the fastener element 21 A (see FIGS. 12 and 13 ) to one side in the width direction.
  • the second inner convex portion 42 of the second half portion 33 is formed to be offset from the width-direction center WC of the fastener element 21 A toward another side in the width direction. That is, the second inner convex portion 42 of the first half portion 32 and the second inner convex portion 42 of the second half portion 33 are offset from each other in the width direction of the fastener element 21 A.
  • the fastener element 21 A when the fastener element 21 A is crimped to the fastener tape 14 , as shown in FIG. 14 , the second inner convex portions 42 of the first half portion 32 and the second half portion 33 press the core string 14 b of the fastener tape 14 to deform the core string 14 b in a shearing direction. As a result, the fastener element 21 A can improve an effect of preventing a displacement of the fastener element 21 A in the width direction with respect to the fastener tape 14 .
  • a fastener element 21 B further includes an outer convex portion 50 .
  • the outer convex portion 50 includes a first outer convex portion 51 extending in the width direction on the flat portion 37 of the first half portion 32 along an end portion on a meshing head portion 30 side (front side); and a second outer convex portion 52 extending in the width direction on the flat portion 38 of the second half portion 33 along an end portion on a side (rear side) opposite to the meshing bead portion 30 .
  • the first outer convex portion 51 and the second outer convex portion 52 are formed at positions apart from each other in the longitudinal direction when viewed from the front-back direction.
  • the tape portion 14 a is deformed in a substantially crank shape in the left-right direction and clamped by the first outer convex portion 51 and the second outer convex portion 52 , so that the fixing force is further strengthened and it is difficult for the fastener element 21 B to come off from the fastener tape 14 .
  • the tape portion 14 a is clamped by the first outer convex portion 51 and the second outer convex portion 52 over an entire length of each of the leg portions 35 a , 35 b in the width direction, in addition to the effects of the fastener element 21 of the first embodiment, the wobbling of the fastener element 21 B with respect to the fastener tape 14 (rotation in a plane of the fastener tape 14 ) can be further prevented.
  • a fastener element 21 C according to the present embodiment includes an outer convex portion 55 having a shape different from that of the outer convex portion 50 of the fastener element 21 B of the third embodiment.
  • the outer convex portion 55 includes a first outer convex portion 56 provided on the flat portion 37 of the first half portion 32 and a second outer convex portion 57 provided on the flat portion 38 of the second half portion 33 .
  • first outer convex portion 56 a part of the flat portion 37 of the first half portion 32 on one side in the width direction is provided to protrude toward the flat portion 38
  • second outer convex portion 57 a part of the flat portion 38 of the second half portion 33 on another side in the width direction is provided to protrude toward the flat portion 37 .
  • the first outer convex portion 56 and the second outer convex portion 57 are formed at positions apart from each other in the width direction when viewed from the front-back direction.
  • the tape portion 14 a When the fastener element 21 C is crimped and fixed to the fastener tape 14 , the tape portion 14 a is deformed in a substantially crank shape in the upper-lower direction and firmly clamped by the first outer convex portion 56 and the second outer convex portion 57 . Further, since the tape portion 14 a is clamped over an entire length of each of the leg portions 35 a , 35 b in the width direction, similar to the fastener element 21 B of the third embodiment, the wobbling of the fastener element 21 C with respect to the fastener tape 14 can be prevented.
  • a fastener element 21 D of the present embodiment includes an inner convex portion 60 including three claw portions 61 a , 62 a , 63 a and an inner convex portion 60 including three claw portions 61 b , 62 b , 63 b which form a pair, instead of the pair of inner convex portions 40 in the fastener element 21 according to the first embodiment.
  • the inner convex portion 60 of the first half portion 32 includes a first claw portion 61 a , a second claw portion 62 a , and a third claw portion 63 a which are provided in the clamping groove 39 a
  • the inner convex portion 60 of the second half portion 33 includes a first claw portion 61 b , a second claw portion 62 b , and a third claw portion 63 b which are provided in the clamping groove 39 b.
  • the first claw portion 61 a and the first claw portion 61 b are provided apart from each other in the longitudinal direction respectively at one end portions of the clamping grooves 39 a , 39 b in the width direction (a front side of the paper in FIG. 22 ), the first claw portion 61 a is formed in the clamping groove 39 a closer to the meshing head portion 30 , and the first claw portion 61 b is formed in the clamping groove 39 b closer to an opening-side end portion.
  • the second claw portion 62 a and the second claw portion 62 b are provided to face each other in the front-back direction at intermediate portions of the clamping grooves 39 a , 39 b in the width direction and in the longitudinal direction.
  • the third claw portion 63 a and the third claw portion 63 b are provided apart from each other in the longitudinal direction at the other end portions of the clamping grooves 39 a , 39 b in the width direction (a deep side of the paper in FIG. 22 ), the third claw portion 63 a is formed in the clamping groove 39 a closer to an opening end portion, and the third claw portion 63 b is formed in the clamping groove 39 b closer to the meshing head portion 30 .
  • the first claw portions 61 a , 61 b and the third claw portions 63 a , 63 b are integrally formed from bottom surfaces of the clamping grooves 39 a , 39 b to side surfaces in the longitudinal direction.
  • the core string 14 b is clamped between the first claw portions 61 a , 61 b , between the second claw portions 62 a , 62 b , and between the third claw portions 63 a , 63 b at different positions in the width direction and in a balanced manner at three portions different in clamping direction, and the fastener tape 14 is firmly held.
  • the shoulder portion 36 is formed in which the first shoulder portion 36 a and the second shoulder portion 36 b are overlapped and fitted in the groove portion 31 .
  • a fastener element 21 E of the present embodiment includes the meshing head portion 30 , and the first half portion 32 and the second half portion 33 branching from a substantially center of the meshing head portion 30 in the front-back direction into a substantially V-shape.
  • the meshing head portion 30 includes a first head portion 30 a formed on a first half portion 32 side and a second head portion 30 b formed on a second half portion 33 side.
  • the first head portion 30 a is formed in a substantially triangular shape that is tapered toward a front surface thereof, and the second head portion 30 b is wider than the first head portion 30 a and has a substantially elliptical shape in a planar view.
  • the first leg portion 35 a having a substantially rectangular shape in a planar view is formed continuously from the first head portion 30 a .
  • the neck portion 34 continuous from the second head portion 30 b and narrower than the second head portion 30 b is continuously formed by hanging from the second head portion 30 b .
  • the second leg portion 35 b that extends from the neck portion 34 to a side opposite to the second head portion 30 b , that is wider than the neck portion 34 , and that has a substantially rectangular shape in a planar view, is formed.
  • the second head portion 30 b and the second half portion 33 (the neck portion 34 and the second leg portion 35 b ) have shapes similar to those of a half portion of the meshing head portion 30 , the neck portion 34 , and the second leg portion 35 b of the first embodiment.
  • the first leg portion 35 a of the first half portion 32 faces the neck portion 34 and the second leg portion 35 b of the second half portion 33 .
  • the fastener element 21 E of the present embodiment does not include the groove portion 31 and the shoulder portion 36 described in the first embodiment, and when the left and right element rows 15 mesh with each other, a front surface 65 of the second head portion 30 b of the fastener element 21 E and a back surface 66 of the first leg portion 35 a of the first head portion 30 a are respectively abutted against a back surface of the leg portion of the first head portion of another fastener element 20 and a front surface of the second head portion, thereby preventing a positional displacement in the front-back direction.
  • the substantially U-shaped clamping grooves 39 a , 39 b are provided to extend in the width direction respectively in facing surfaces of the leg portions 35 a , 35 b of the first half portion 32 and the second half portion 33 .
  • the flat portions 37 , 38 are respectively formed on the facing surfaces of the leg portions 35 a , 35 b at rear end portions (opening end portions) of the clamping grooves 39 a , 39 b .
  • the inner convex portion 40 including the first inner convex portion 41 and the second inner convex portion 42 that can bite into the core string 14 b of the fastener tape 14 , is provided.
  • the first half portion 32 and the second half portion 33 respectively include the clamping grooves 39 a , 39 b each having the inner convex portion 40 on the surfaces 37 , 38 facing each other, the inner convex portions 40 also press and deform the core string 14 b when the crimping is performed, and the fastener element 21 is also firmly fixed to the fastener tape 14 .
  • the inner convex portion 40 (the first inner convex portion 41 and the second inner convex portion 42 ) is provided, but the convex portion in the clamping grooves 39 a , 39 b is not limited to the inner convex portion 40 , may be the outer convex portions 50 , 55 and the inner convex portion 60 described in the second embodiment to fifth embodiment, or may be a combination of the convex portions.
  • a wing-shaped protrusion portion 26 is provided to protrude from the meshing head portion 30 between the first half portion 32 and the second half portion 33 , separately from the first half portion 32 and the second half portion 33 .
  • the protrusion portion 26 includes a base portion 28 that extends rearward from a rear surface of the front-back direction center portion 29 of the meshing head portion 30 , and a pair of shoulder portions 36 that extend from a tip end portion of the base portion 28 to both sides in the width direction of the slide fastener, and is formed in a substantially T-shape by the base portion 28 and the pair of shoulder portions 36 .
  • hollowed-out portions 34 a whose inner surfaces facing each other are hollowed out are respectively formed in the neck portions 34 of the first half portion 32 and the second half portion 33 , and a thickness of each of the neck portions 34 is reduced.
  • a step portion 27 forming a front surface of each of the clamping grooves 39 a , 39 b is formed at substantially the same height as the hollowed-out portion 34 a , but the present invention is not limited thereto, and for example, the step portion 27 may protrude inward than the hollowed-out portion 34 a at substantially the same height as the second inner convex portion 42 .
  • the height of the step portion 27 is formed to be substantially the same as a height of the hollowed-out portion 34 a in order to prevent two fastener elements 21 F before being crimped from being engaged with each other naturally and becoming difficult to separate.
  • the present invention is not limited to each of the embodiments described above, and can be appropriately changed without departing from the gist of the present invention.
  • a metal fastener element for a slide fastener including:
  • the fastener element can be easily deformed in a natural manner when crimped, and has a good appearance.
  • the protrusion portion is divided from the first half portion and the second half portion, stress during crimping is dispersed to the meshing head portion and the neck portions of the first half portion and second half portion, thereby preventing crimping cracks.
  • the metal fastener element including the meshing head portion, the neck portion, and the leg portion on both sides in the front-back direction can be applied to a slide fastener including a resin fastener element having the same shape.
  • a thickness of each of the shoulder portions can be increased, and the fastener element can be easily molded.
  • an effect of preventing a displacement of the fastener element in the width direction with respect to the fastener tape can be improved.
  • the inner convex portion includes at least three claw portions which are respectively provided at an intermediate portion in the width direction and both end portions in the width direction, and positions of the at least three claw portions in a length direction are different.
  • the fastener element can be more firmly fixed to the fastener tape, and wobbling of the fastener element can be prevented.
  • the fastener tape can be prevented from falling off from a portion between the pair of leg portions.
  • the metal fastener element including the meshing head portion and the leg portion on one side in the front-back direction and including the meshing head portion, the neck portion, and the leg portion on another side in the front-back direction can be applied to a slide fastener including a resin fastener element having the same shape.
  • a slide fastener including:
  • a slide fastener including a fastener element which can be attached to a portion of a missing fastener element in a short time and at a low cost without being sent to a repair shop, and which has a good appearance even when crimped.

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US18/847,670 2022-03-17 2022-12-13 Fastener element for slide fastener, and slide fastener Pending US20250255386A1 (en)

Applications Claiming Priority (3)

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JP2022012478 2022-03-17
WOPCT/JP2022/012478 2022-03-17
PCT/JP2022/045843 WO2023176067A1 (ja) 2022-03-17 2022-12-13 スライドファスナー用ファスナーエレメント及びスライドファスナー

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US (1) US20250255386A1 (enrdf_load_stackoverflow)
JP (1) JP7715927B2 (enrdf_load_stackoverflow)
CN (1) CN118742237A (enrdf_load_stackoverflow)
DE (1) DE112022006863T5 (enrdf_load_stackoverflow)
TW (1) TWI859772B (enrdf_load_stackoverflow)
WO (1) WO2023176067A1 (enrdf_load_stackoverflow)

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EP2014188B1 (en) * 2007-07-10 2011-03-02 YKK Corporation Metallic double-sided element and slide fastener
US8539650B2 (en) * 2009-01-13 2013-09-24 Ykk Corporation Slide fastener
CN102665471B (zh) * 2009-12-11 2015-07-08 Ykk株式会社 拉链牙链带以及拉链
JP3164064U (ja) * 2010-08-31 2010-11-11 靖尊 王 線ファスナー金属務歯の構造
US9364053B2 (en) * 2011-08-24 2016-06-14 Ykk Corporation Fastener element
ITFI20120010A1 (it) * 2012-01-18 2013-07-19 Leonardo Ferragamo Cerniera lampo con scorrimento ininterrotto dei cursori, procedimento produttivo per ottenere tale cerniera ed articoli, ad esempio di valigeria o simili, incorporanti la stessa
DE112014006983B4 (de) * 2014-09-24 2022-01-27 Ykk Corporation Kuppelglied, Reißverschlusskette und Reißverschluss

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DE112022006863T5 (de) 2025-01-02
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