WO2023100904A1 - Demi-chaîne, butée et élément de fixation - Google Patents

Demi-chaîne, butée et élément de fixation Download PDF

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Publication number
WO2023100904A1
WO2023100904A1 PCT/JP2022/044068 JP2022044068W WO2023100904A1 WO 2023100904 A1 WO2023100904 A1 WO 2023100904A1 JP 2022044068 W JP2022044068 W JP 2022044068W WO 2023100904 A1 WO2023100904 A1 WO 2023100904A1
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WO
WIPO (PCT)
Prior art keywords
stringer
fastener
fastener tape
tape
protrusion
Prior art date
Application number
PCT/JP2022/044068
Other languages
English (en)
Japanese (ja)
Inventor
貴宏 橋爪
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
Publication of WO2023100904A1 publication Critical patent/WO2023100904A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/42—Making by processes not fully provided for in one other class, e.g. B21D53/50, B21F45/18, B22D17/16, B29D5/00
    • A44B19/60—Applying end stops upon stringer tapes
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/36—Means for permanently uniting the stringers at the end; Means for stopping movement of slider at the end
    • 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
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/38—Means at the end of stringer by which the slider can be freed from one stringer, e.g. stringers can be completely separated from each other
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/38—Means at the end of stringer by which the slider can be freed from one stringer, e.g. stringers can be completely separated from each other
    • A44B19/384—Separable slide fasteners with quick opening devices
    • A44B19/386—Top end stop means for quick opening slide fasteners

Definitions

  • the present invention relates to stringers for slide fasteners.
  • the invention also relates to a slide fastener including such a stringer and a stop for the stringer of the slide fastener.
  • a conventional slide fastener generally comprises a pair of stringers and an opening/closing means usually called a slider.
  • Each stringer comprises a tape and a plurality of connecting elements.
  • a connecting element extends along an edge of each tape and interlocks or interlocks with a corresponding connecting element of the stringer when the slider of the slide fastener moves relative to the connecting element in a first sliding direction.
  • a plurality of connecting elements may take the form of separate individual elements, also called coupling teeth.
  • the multiple coupling elements may take the form of a continuous coil.
  • the tape is typically woven or knitted and may be made of polyester, for example.
  • the connecting element may be attached to the tape, for example by crimping or molding the connecting element onto a reinforcing portion of the tape, the reinforcing portion being disposed at the edge of the tape. be.
  • the reinforcing portion is sometimes called a cord.
  • each stringer coil is most commonly sewn to the surface of the tape and to the reinforcing portion of the tape.
  • the reinforcing portion may be offset from the edge of the tape, or may be on the top surface of the tape, or offset at the edge of the tape. may be on the top surface of the A continuous coil may be woven or knitted into a tape.
  • Each stringer has a stop provided to hold the slider on the stringer.
  • the stop is formed directly on each stringer by a suitable method such as injection molding.
  • One or more defects may occur during the formation of the fastener on the stringer. For example, when the fastener is formed on the fastener tape, burrs can occur at the edges of the fastener.
  • the stop generally limits movement of the slider relative to the coupling element in the first sliding direction.
  • a stringer for a slide fastener is provided.
  • the stringers are provided with fastener tapes.
  • the fastener tape has longitudinal edges, a first surface and a second surface.
  • the second surface is opposite the first surface.
  • the second surface is spaced from the first surface in a first direction.
  • the stringer further comprises a plurality of connecting elements arranged along the longitudinal edges of the fastener tape.
  • the plurality of coupling elements are configured such that, in use, the plurality of coupling elements are couplable with corresponding plurality of coupling elements of the second stringer, thereby coupling the stringer to the second stringer.
  • the stringer further includes a first stop disposed at or adjacent longitudinal ends of the plurality of connecting elements.
  • At least a portion of the first fastener is formed on the first surface of the fastener tape.
  • the first stop preferably does not contact the second surface of the fastener tape, the first stop may contact the second surface of the fastener tape.
  • the first fastener includes an overhang extending laterally beyond the longitudinal edge of the fastener tape.
  • the first stop further comprises a projection extending in the first direction from the overhang and beyond the first surface of the fastener tape. The protrusion is spaced from the longitudinal edge of the fastener tape.
  • the protrusion spaced from the longitudinal edge of the fastener tape reduces contact between the longitudinal edge of the fastener tape and the first fastener during formation of the first fastener. reduce the likelihood. This reduces the likelihood of burr formation during formation of the first fastener on the first surface of the fastener tape.
  • the first stop that is not in contact with the second surface of the fastener tape isolates the second surface of the fastener tape from the first stop while forming the first stop. This advantageously reduces the likelihood of damage occurring to the second surface of the fastener tape during formation of the first fastener.
  • a lateral gap may be defined between the protrusion and the longitudinal edge of the fastener tape.
  • the first fastener does not have to be in contact with the longitudinal edge of the fastener tape.
  • lateral gap may be understood to mean that there is no material between the protrusion and the longitudinal edge of the fastener tape in the lateral direction.
  • the protrusions are laterally spaced from the longitudinal edges of the fastener tape.
  • damage to the second surface and/or the longitudinal edges of the fastener tape is prevented if a lateral gap is defined between the projection and the longitudinal edge of the fastener tape.
  • the likelihood and likelihood of burrs forming while forming the first stop is further reduced.
  • the protrusion may not extend beyond the second surface of the fastener tape in the first direction.
  • the protrusion advantageously does not interfere with the movement of the slider of the slide fastener including the stringer in use.
  • the protrusion may define an end point in the first direction.
  • the end point may coincide with the second surface of the fastener tape in the first direction.
  • the end point can be said to be the vertex in the first direction, or it can be said to be located at the part of the protrusion extending in the direction further away from the overhanging part in the first direction.
  • the protrusion may define a generally rounded surface.
  • protrusions define a generally rounded surface, it is advantageous compared to the case where the protrusions form a surface that defines one or more vertices. The possibility of damage to the skin of the skin, etc. is reduced.
  • a generally rounded surface may be said to be a smoothly curved surface.
  • the projecting portion may extend from the laterally outermost peripheral region of the overhanging portion.
  • the projection extends from the laterally outermost peripheral region of the overhang, the distance between the projection and the longitudinal edge of the fastener tape is maximized.
  • the risk of burr formation and the risk of burr formation and the formation of the second stop while forming the first stop are advantageously reduced. can further reduce the risk of damage to the surface of the
  • the laterally outermost peripheral region of the overhang is the region or portion of the overhang that has the greatest lateral separation from the longitudinal edge of the fastener tape.
  • the protrusion may define a first radius and a second radius.
  • the first radius may extend tangentially from the second radius.
  • the fastener tape may have a film layer.
  • the film layer may be located on or define i) the second surface of the fastener tape and/or ii) the longitudinal edges of the fastener tape.
  • a second aspect of the present invention provides a stop for a stringer of a slide fastener.
  • the stops are configured to be disposed at or adjacent longitudinal ends of the plurality of connecting elements of the stringer.
  • the fastener includes an attachment surface attachable to the first surface of the fastener tape of the stringer.
  • the first surface is opposite the second surface of the fastener tape of the stringer.
  • the second surface is spaced from the first surface in a first direction.
  • the stop further comprises an overhang.
  • the ledges are configured to extend laterally beyond the longitudinal edges of the fastener tape in use.
  • the stop further comprises a projection extending from the overhang. The projection is configured to extend beyond the first surface in the first direction when the fastener is attached to the first surface of the fastener tape via the attachment surface in use.
  • the fastener is configured such that, in use, when the fastener is attached to the first surface of the fastener tape via the mounting surface, it does not contact the second surface of the fastener tape.
  • the protrusion is configured to be spaced from the longitudinal edge of the fastener tape, in use, when the stop is attached to the first surface of the fastener tape via the mounting surface.
  • a fastener is provided in a third aspect of the present invention.
  • the fastener comprises a first stringer according to the first aspect of the invention.
  • the fastener further comprises a second stringer.
  • a second stringer comprises a fastener tape.
  • the fastener tape has longitudinal edges.
  • the second stringer further comprises a plurality of connecting elements disposed along longitudinal edges of the fastener tape.
  • the plurality of connecting elements of the first stringer are coupled to each other along the fastener axis with the plurality of connecting elements of the first stringer to the corresponding connecting elements of the plurality of connecting elements of the second stringer to form the first stringer.
  • the fastener further comprises a slider.
  • the slider is slidable along the fastener axis in the first direction such that the slider biases the plurality of coupling elements of the first stringer to interlock with the plurality of coupling elements of the second stringer. is.
  • the slider moves in a second direction, opposite the first direction, such that the slider biases the plurality of coupling elements of the first stringer to uncouple from the plurality of coupling elements of the second stringer. It is slidable.
  • the second stringer may be a stringer according to the first aspect of the invention.
  • FIG. 1 shows a fastener according to a first embodiment of the invention
  • 2 shows a cross-sectional view of the stringer of the fastener of FIG. 1
  • FIG. 2 shows a cross-sectional view of a mold for forming the fastener of FIG. 1
  • FIG. 3 shows a stringer with a first stop of the stringer of FIG. 2
  • Fig. 2 shows a cross-sectional view of the stringer of the second embodiment
  • Fig. 2 shows a plan view of the stringer of the second embodiment
  • the sectional view of the metallic mold at the time of forming the 1st fastener of a 2nd embodiment is shown.
  • FIG. 11 shows a cross-sectional view of a stringer according to a modification of the second embodiment; The top view of the stringer which concerns on the modification of 2nd Embodiment is shown.
  • FIG. 1 shows a slide fastener 2 according to a first embodiment.
  • the slide fastener 2 comprises a slider 4 , a first stringer 6 and a second stringer 8 .
  • Each stringer 6,8 includes a plurality of connecting elements 10,12 (in FIG. 1 one of each plurality of elements) attached to respective longitudinal edges 14,16 of respective fastener tapes 18,20. Only the connecting elements are numbered).
  • the connecting elements 10, 12 are sometimes referred to as coupling teeth.
  • the coupling element is formed as a continuous coil.
  • each of the plurality of connecting elements, also called teeth can take the form of separate individual elements. Tapes may be woven or knitted. Longitudinal edges 14, 16 of the fastener tape extend along respective longitudinal axes (not shown in FIG. 1).
  • Each fastener tape 18, 20 comprises a first surface 28, 30 (although not visible in FIG. 1, the first surface 28, 30 is located opposite the fastener tape 18, 20).
  • Each fastener tape 18,20 has a second surface 32,35.
  • Each first surface 28,30 is opposite a respective second surface 32,35.
  • the first surfaces 28, 30 are shown in FIG. 1 by dashed leader lines because they are positioned on the far side of the page of FIG.
  • the second surfaces 32,35 are spaced apart from the first surfaces 28,30, respectively, in a first direction AB (see FIG. 2), as will be described in more detail below.
  • Each fastener tape 18,20 includes a cord (not visible in FIG. 1, but disposed on a first surface 28,30 of each fastener tape 18,20, respectively).
  • a cord (core string) 38 is illustrated in FIG. 2, which will be described later.
  • a cord is woven, knitted, or otherwise incorporated into each fastener tape 18,20. The cords are offset from longitudinal edges 14,16 of respective fastener tapes
  • the chain 22 is generally flat and the chain (and the coupling elements 10, 12 forming part of the chain) extends along the longitudinal axis L of the chain.
  • the connecting elements 10, 12 are composed of continuously extruded filaments formed into loops defining individual connecting elements. Coupling elements 10,12 are attached to first surfaces 28,30 of respective fastener tapes 18,20. This type of coupling element is well known in the art and will not be described further. However, as noted above, in some embodiments each of the plurality of coupling elements can also take the form of a separate and independent element.
  • the slider 4 is attached to the chain 22 so as to be movable along the chain between the two stringers 6,8.
  • the slider 4 has a pull tab 5 .
  • the pull 5 is held by the user with the pull 5 on one side of the chain 22 .
  • the slider 4 is such that the position of the pull 5 is on the side of the chain where the second surfaces 32,35 of the fastener tapes 18,20 are visible.
  • Movement of the slider 4 along the chain 22 in the first sliding direction E attaches the connecting element 10 of the first stringer 6 to the connecting element 12 of the second stringer 8 .
  • movement of the slider 4 along the chain 22 in a second sliding direction D opposite to the first sliding direction E causes the coupling element 10 of the first stringer 6 to move into the coupling of the second stringer 8 .
  • Each of the stringers 6,8 comprises a first stop 24,26.
  • the first stops 24, 26 are sometimes called top stops.
  • the purpose of the first stops 24,26 is to hold the slider 4 on the two stringers 6,8.
  • the slider 4 has a Y-shaped channel (not visible in FIG. 1, but the slider's inside the main body).
  • the Y-shaped channel comprises two upper (but in the orientation of FIG. 1) arms that merge into a single lower (but in the orientation of FIG. 1) arm.
  • Each of the upper arms includes a respective aperture for receiving at least a portion of the fastener tapes 18,20 and the connecting elements 10,12 of the respective stringers 6,8.
  • the central vertex of the Y-shaped channel is defined by a "diamond" in the (guide) post or slider.
  • the portions of the first stops 24, 26 that cannot be received in the openings of the respective upper arms are arranged so that they abut the slider 4 when the slider moves in the first sliding direction E. , in at least one direction perpendicular to the movement of the slider in the sliding directions D, E, outside the opening.
  • the abutment between the openings and any outwardly extending portion of the slider 4 prevents entry of the first stops 24, 26 into the respective channel openings.
  • one or both of the stops 24, 26 has one or more portions that extend outwardly of the respective upper arm opening such that the entire perimeter of the channel opening abuts the stop.
  • the stops 24, 26 may contain in some embodiments, one or both of the stops 24, 26 may include one or more portions that extend in four directions out of the respective upper arm opening.
  • the four directions include, for example, two directions generally parallel to the transverse axis T and two directions perpendicular to both the transverse axis and the longitudinal axis L. Therefore, the slider 4 cannot slide in the first sliding direction E beyond the first stops 24,26.
  • the first stops 24, 26 and the Y-channel are configured such that the first stop can be received by, but not passed beyond, the two upper arm portions of the Y-channel. dimensions.
  • the first fasteners 24,26 are formed on first surfaces 28,30 of respective fastener tapes 18,20, respectively.
  • a first stop 24,26 is disposed adjacent a longitudinal end of each one of the plurality of coupling elements 10,12.
  • at least a portion of one or both of the first stops 24, 26 is on at least a portion of at least one of the respective plurality of coupling elements 10, 12 ( or integrally therewith) and formed on the respective first surfaces 28,30 of the respective fastener tapes 18,20.
  • At least a portion of at least one of the plurality of connecting elements 10, 12 on which one or both of the first stops 24, 26 are disposed is at each longitudinal end of the . If the first stop 24,26 is formed on at least a portion of (or integral with) at least one of the respective plurality of connecting elements 10,12, the first It can be said that the stops 24,26 are disposed at respective longitudinal ends of the respective plurality of coupling elements 10,12.
  • the first stop 24 of the first stringer 6 is generally identical to the first stop 26 of the second stringer 8, but is a mirror image thereof.
  • First fastener tape 18 is generally identical to second fastener tape 20 of second stringer 8 .
  • the first fastener 24 of the first stringer 6 and the first fastener tape 18 are further described with reference to FIG. However, since the first stop 24 of the first stringer 6 is generally identical to the first stop 26 of the second stringer 8, and the first fastener tape 18 is similar to the second fastener tape. 20 , the following description applies equally to the first fastener 26 of the second stringer 8 and the second fastener tape 20 of the second stringer 8 .
  • first stop 26 of the second stringer 8 may not be the same as the first stop 24 of the first stringer 6, or may be the second stop 24 of the first stringer 6. stringer 8 need not include the first stop 26 at all. In some embodiments not shown, the first fastening tape 18 of the first stringer 6 need not be the same as the second fastening tape 20 of the second stringer 8 .
  • FIG. 2 is a cross-sectional view of the first stringer 6 of FIG. 1 rotated 180 degrees through the cross-sectional line XX.
  • the second surface 32 of the first fastener tape 18 is opposite the first surface 28 of the first fastener tape.
  • Second surface 32 is opposite first surface 28 in first direction AB.
  • first fastener tape 18 comprises first layer 31 and second layer 33 .
  • First surface 28 is the surface of first layer 31 .
  • the first layer 31 is a fabric layer.
  • the fabric may be, for example, woven or knitted. In other embodiments, the first layer may be made of any other suitable material.
  • the second surface 32 is the surface of the second layer 33 .
  • the second layer 33 is a film layer.
  • the second layer 33 may be made of polyurethane, for example. In other embodiments, the second layer may be made of resin or a thermally activated adhesive. Furthermore, the second layer 33 may be made of a synthetic material. The material from which the second layer 33 is formed may be impermeable to water or any other suitable substance. Other materials for second layer 33 are also suitable and can be selected based on the function of second layer 33 . The function fulfilled by the second layer 33 may be water repellent, water resistant or decorative, among others. Therefore, the second layer 33 may be water-repellent, water-resistant, or decorative. A second layer 33 is attached to the first layer 31 . Second layer 33 may be attached to first layer 31 by any suitable method. For example, second layer 33 may be attached to first layer 31 by gluing, welding, or both. In some, not shown, embodiments, the second layer 33 need not be provided.
  • the first stop 24 has a first surface 25 .
  • First surface 25 includes mounting surface 34 .
  • Mounting surface 34 contacts first fastener tape 18 .
  • Mounting surface 34 contacts first surface 28 of first fastener tape 18 .
  • Mounting surface 34 includes a cord receiving portion 36 .
  • a cord receiving portion 36 is formed on the cord 38 of the first stringer 6 to receive the cord 38 .
  • a cord receiver 36 is attached to (or receives) a cord 38 of the first stringer 6 .
  • First stop 24 further comprises a second surface 40 .
  • a second surface 40 faces the mounting surface 34 .
  • the distance in the first direction AB from the second surface 40 to the mounting surface 34 can be referred to as the height of the first stop 24 .
  • First stop 24 further comprises a first lateral surface 42 and a second lateral surface 44 .
  • First lateral surface 42 faces second lateral surface 44 .
  • the first and second lateral surfaces 42, 44 define end faces of the first stop 24 in the direction of the transverse axis T (left to right direction as depicted in FIG. 2).
  • the distance from the first lateral surface 42 to the second lateral surface 44 can be referred to as the width of the first stop 24 .
  • no portion of first fastener 24 contacts second surface 32 of first fastener tape 18 . This advantageously reduces the likelihood of damage occurring to the second surface 32, and thus the second layer 33, of the first fastener tape 18 during formation of the first fastener 24.
  • the first stopper 24 further includes an overhang (overhang portion) 46 .
  • Overhang 46 extends beyond longitudinal edge 14 of first fastener tape 18 in the direction of transverse axis T. As shown in FIG. Overhang 46 does not overlap first fastener tape 18 in first direction AB.
  • the first stop 24 further comprises a protrusion 48 .
  • a protrusion 48 extends from the overhang 46 .
  • the projecting portion 48 extends from the overhang 46 in the first direction AB.
  • Projection 48 extends from the laterally outermost peripheral region of overhang 46 .
  • Projection 48 defines surface 50 .
  • Surface 50 of projection 48 forms part of first surface 25 of first stop 24 .
  • Surface 50 of projection 48 is adjacent first lateral surface 42 of first stop 24 . In cross-section through a plane (not shown in FIG.
  • surface 50 defines a generally rounded shape.
  • the shape of surface 50 is defined by two radii of curvature. One dimension of the radius is greater than the other dimension of the radius.
  • the larger radius is adjacent the first lateral surface 42 of the first stop 24 . Adjacent the first lateral surface 42 with the larger radius advantageously allows the first lateral surface A smoother transition between 42 and surface 50 of protrusion 48 results. This smooth transition between first lateral surface 42 and surface 50 of protrusion 48 prevents protrusion 48 from scratching or otherwise damaging the surface upon contact. reduce the likelihood of The radii extend tangentially to each other.
  • the first stop 24 may be formed from the metal used to form the first stop 24, as described in more detail below. It can be removed from the mold more easily.
  • surface 50 of protrusion 48 may define a single radius of curvature. In some embodiments not shown, the smaller radius may be adjacent the first lateral surface 42 of the first stop 24 . In some embodiments not shown, the surface of protrusion 48 may define any other suitable shape. In some embodiments not shown, protrusion 48 may be offset from first lateral surface 42 of first stop 24 . Projection 48 advantageously simplifies the manufacture of first stop 24 while the corner between first lateral surface 42 and first surface 25 of first stop 24 is Sharpness can be avoided.
  • the protrusion 48 defines an end point 52 in the first direction AB.
  • endpoint 52 is disposed between first surface 28 of first fastener tape 18 and second surface 32 of first fastener tape 18 . Accordingly, protrusion 48 extends beyond first surface 28 of first fastener tape 18 in first direction AB. End point 52 of protrusion 48 does not extend beyond second surface 32 of first fastener tape 18 in first direction AB.
  • the distance from the first surface 25 of the first stopper 24 to the end point 52 in the first direction AB is 0.1 mm or more.
  • the end point 52 of the protrusion 48 may mate with the second surface 32 of the first fastener tape 18 in the first direction AB. Congruent may be understood to mean that the endpoints 52 are disposed flush with the second surface 32 .
  • the protrusion 48 is spaced from the longitudinal edge 14 of the first fastener tape 18 . Because the projections 48 are spaced from the longitudinal edge 14 of the first fastener tape 18, damage to the second layer 33 during formation of the first fastener 24 is avoided. is further reduced. Additionally, the likelihood of burrs forming during formation of the first stop 24 is also reduced.
  • the protrusion 48 is spaced from the longitudinal edge 14 of the first fastener tape 18 such that a tape is defined between the longitudinal edge 14 of the first fastening tape 18 and the protrusion 48 .
  • a lateral gap 54 is formed. The term "lateral gap" may be understood to mean that there is no material between the protrusion 48 and the longitudinal edge 14 of the first fastener tape 18 in the lateral direction.
  • the size of the lateral gap 54 in the direction of the lateral axis T may be of any suitable size, but during the formation of the first fastener 24 the longitudinal edge 14 of the first fastener tape 18 is provided that contact between the and the first stop 24 is substantially avoided.
  • the lateral clearance 54 advantageously means that less material is required to manufacture the first stop 24 as compared to conventional stops.
  • FIG. 3 shows a cross-sectional view of a mold 56 that can be used to form the first stop 24.
  • FIG. The position of the cross-section in FIG. 3 corresponds to the position of the cross-section taken in FIG. 3 schematically shows the structure of the mold 56, and the internal shape of the mold 56 is slightly different from that of the first stopper 24 shown in FIG. Also, the outer frame of the mold 56 is different from the actual outer frame. Mold 56 is formed from first half 58 and second half 60 . First half 58 and second half 60 are attachable to each other.
  • FIG. 3 shows two halves 58, 60 secured together. In the locked state the two halves 58 , 60 are in sealing engagement with each other at the interface 61 .
  • First half 58 and second half 60 are in contact with each other at interface 61, except for the portion of mold 56 that receives the stringer in use, as described in more detail below.
  • One or both of the first half 58 and the second half 60 are movable in a vertical direction (as depicted in FIG. 3) to separate the two halves 58, 60. .
  • the second half 60 has a wall portion 62 .
  • wall 62 is integrally formed with second half 60 .
  • the wall may be formed separately from the second half 60 .
  • a cavity 64 is defined between the two halves 58 , 60 of the mold 56 .
  • Cavity 64 includes a stringer receiver 66 .
  • Cavity 64 includes a stop forming portion 68 .
  • the stopper forming portion 68 includes a protrusion forming portion 70 .
  • the projection forming portion 70 is shaped to form the projection 48 (not shown in FIG. 3) of the first stopper 24 .
  • Wall portion 62 is disposed between protrusion forming portion 70 and stringer receiving portion 66 .
  • wall portion 62 provides space between protrusion 48 of first stop 24 and first fastener tape 18 during formation of first stop 24 .
  • the mold 56 has an injection port 72 .
  • molten plastic (not shown) is injected into mold 56 through inlet 72 .
  • Mold 56 includes tape-receiving apertures 74 .
  • first fastener 24 to the first fastener tape 18
  • the two halves 58, 60 of the mold 56 are initially separated.
  • the first stringer 6 is then positioned such that the longitudinal edge 14 of the first fastener tape 18 abuts the wall 62 at the stringer receiving portion 66 .
  • First fastener tape 18 is positioned such that second surface 32 of first fastener tape 18 contacts second half 60 of mold 56 .
  • the two halves 58 , 60 of the mold 56 are secured together around the first fastener tape 18 such that the first stringer 6 is received in the tape receiving aperture 74 .
  • the first stringer 6 is engaged by the two halves 58, 60 such that the tape receiving aperture 74 is sealed. Molten plastic is then injected into cavity 64 through inlet 72 .
  • first fastener tape 18 of the first stringer 6 includes the second layer 33 or an adhesive material having a lower melting point than the second layer 33 between the first layer 31 and the second layer 33 . to reduce the possibility of damage to the layer.
  • the wall 62 spaces the first fastener tape 18 of the first stringer 6 and the projection 48 of the first fastener 24 during formation of the fastener so that the wall 62 is By reducing the likelihood of contact between the molten plastic and the longitudinal edge 14 of the first fastener tape 18, the likelihood of burr formation during formation of the first fastener 24 is reduced. .
  • the molten plastic Once the molten plastic has solidified, it separates the two halves 58 , 60 so that the formed first stop 24 can be removed from the mold 56 .
  • the rounded shape of protrusion forming portion 70 facilitates removal of first stop 24 from mold 56 .
  • FIG. 4 is a plan view of the first stringer 6.
  • the first stop 24 is disposed adjacent the longitudinal ends of the plurality of connecting elements 10 of the first stringer 6 .
  • the first stop 24 is formed on the first surface 28 of the first fastener tape 18 of the first stringer 6 .
  • FIG. 5 is a cross-sectional view of the stringer of the second embodiment.
  • FIG. 6 is a plan view of the stringer of the second embodiment.
  • the stringer 6 of the second embodiment differs from that of the first embodiment in that the first stopper 24 has a through hole 81 . Since other configurations are the same as those of the first embodiment, description thereof will be omitted or simplified by assigning the same reference numerals to the drawings.
  • the first stop 26 of the second stringer 8 is substantially the same as the first stop 24 of the first stringer 6 and is a mirror image thereof and will not be described.
  • the first stopper 24 has a through hole 81 penetrating the first stopper 24 in the first direction AB.
  • the through hole 81 is formed so as to overlap the first fastener tape 18 in the lateral direction without extending beyond the longitudinal edge 14 of the first fastener tape 18 .
  • the through hole 81 includes a communication port 83 (lower opening in FIG. 5) that penetrates through the first surface 25 of the first fastener 24 and communicates with the first surface 28 of the first fastener tape 18, and a and an opening 85 (upper opening in FIG. 5) passing through the second surface 40 of one stop 24 at both ends in the first direction AB.
  • a communication port 83 lower opening in FIG. 5 that penetrates through the first surface 25 of the first fastener 24 and communicates with the first surface 28 of the first fastener tape 18, and a and an opening 85 (upper opening in FIG. 5) passing through the second surface 40 of one stop 24 at both ends in the first direction AB.
  • the communication port 83 of the through-hole 81 has a first end 83a and a second end 83b, which are both ends in the horizontal direction.
  • a first end 83 a of the communication opening 83 is laterally disposed between the longitudinal edge 14 of the first fastener tape 18 and the cord 38 .
  • the first end 83a is preferably closer to the edge 14 than the cord 38 in the lateral direction.
  • a second end 83b of the communication port 83 is arranged on the cord (core cord) 38 of the first fastener tape 18 in the lateral direction.
  • FIG. 7 is a cross-sectional view of a mold 56 that can be used to form the first stopper 24 of the second embodiment.
  • FIG. 7 schematically shows the structure of the mold 56, the internal shape of which is slightly different from that of the first stopper 24 shown in FIG.
  • the outer frame of the mold 56 is different from the actual outer frame.
  • a first half 58 of the mold 56 has a through hole forming portion 59 forming a through hole 81 . Although the through-hole forming portion 59 actually matches the shape of the through-hole 81, it is shown schematically in FIG.
  • the through-hole forming part 59 abuts against the first surface 28 of the first fastener tape 18 and presses it down from above in FIG. Therefore, if the first end portion 83a of the communication port 83 is arranged laterally close to the edge portion 14 of the first fastener tape 18 as described above, the injection of the first stopper 24 can be achieved. During molding, the vicinity of the edge 14 in the lateral direction of the first fastener tape 18 is pressed by the through-hole forming portion 59 of the mold 56 . As a result, it is possible to prevent the first fastener tape 18 from moving in the first direction AB or the like and fluttering during the injection molding of the first fastener 24 . Furthermore, since the second end 83b of the communication port 83 is arranged on the cord 38 in the lateral direction as described above, it is possible to prevent the cord 38 from floating during the injection molding of the first stopper 24. can be prevented.
  • the contact state between the second surface 32 of the first fastener tape 18 and the second half 60 of the mold 56 cannot be maintained, and the first fastener tape 18 cannot be maintained.
  • Molten plastic can adhere to second surface 32 during formation of tool 24 . In this case, the possibility of damage to the second surface 32 arises.
  • flapping of the first fastener tape 18 is prevented so that the second surface 32 is better isolated from the molten plastic during formation of the first fastener 24. . This reduces the likelihood of contact between the second surface 32 and the molten plastic, which in turn reduces the likelihood of damage to the second surface 32 .
  • the first fastener 24 of this embodiment has a projecting portion 48 extending in the first direction AB beyond the first surface 28 of the first fastener tape 18 from the projecting portion 46, as in the first embodiment. , and the projection 48 is spaced (gap 54 ) from the longitudinal edge 14 of the first fastener tape 18 .
  • This causes the walls 62 of the mold 56 forming the gap 54 to separate the first fastener tape 18 and the projection 48 of the first fastener 24 while forming the first fastener 24.
  • the possibility of contact between the molten plastic and the longitudinal edge 14 of the first fastener tape 18 is reduced, further reducing the possibility of damage to the second surface 32 .
  • the through-hole forming portion 59 forming the through-hole 81 suppresses the fluttering of the first fastener tape 18, thereby reducing the possibility of damage to the second surface 32. is reduced, it is not always necessary to provide the protrusion 48 and the gap 54 between the protrusion 48 and the edge 14 .
  • FIG. 8 is a cross-sectional view of a stringer according to a modification of the second embodiment.
  • FIG. 9 is a plan view of a stringer according to a modification of the second embodiment.
  • the first fastener tape 18 connects to the edge 14 and laterally extends to the first surface 28 in the first direction AB. It has an extension part 15 that bends and extends to the side (upward in FIG. 8).
  • the extension part 15 is arranged at a position overlapping the gap 54 between the edge part 14 of the first fastener tape 18 and the projecting part 48 of the first fastener 24 in the first direction AB.
  • the first fastener 24 is injection molded with a mold 56 (see FIG. 7)
  • the extending portion 15 of the first fastener tape 18 is formed between the wall portion 62 of the second half 60 and the second half 60 . Abut in one direction AB. Therefore, the first fastener tape 18 is pressed against the wall 62 of the second half 60 from one side (lower in FIGS. 7 and 8) of the extension 15 in the first direction AB, and further described above.
  • the vicinity of the edge 14 in the horizontal direction of the first fastener tape 18 is pushed from the other side (upper side in FIGS. 7 and 8) in the first direction AB by the through-hole forming portion 59 of the first half 58. be held down.
  • the first fastener 24 can be injection molded while the first fastener tape 18 is pressed by the first and second halves 58 and 60 from both sides in the first direction AB. , the flapping of the first fastener tape 18 can be further suppressed.
  • the end point 52 of the protruding portion 48 in the first direction AB is located between the first surface 28 of the first fastener tape 18 and the first surface 28 of the first fastener tape 18 in the first direction AB. It can be said to be disposed between the second surface 32 and . That is, when discussing the positional relationship in the first direction AB between the end point 52 of the protrusion 48 and the first and second surfaces 28, 32 of the first fastener tape 18, the first fastener tape 18 Of these, the extending portion 15 and the cord 38, which are portions protruding in the first direction AB, are excluded from consideration.
  • the end point 52 of the protrusion 48 may mate with the second surface 32 of the first fastener tape 18 in the first direction AB. Congruent may be understood to mean that the endpoints 52 are disposed flush with the second surface 32 .

Landscapes

  • Slide Fasteners (AREA)

Abstract

La présente invention concerne une demi-chaîne (6, 8) pour un élément de fixation coulissant (2) comprenant une bande de fixation (18, 20), une pluralité d'éléments de couplage (10, 12), et une première butée (24, 26). Dans la demi-chaîne (6, 8), la première butée comprend un porte-à-faux (46) s'étendant latéralement au-delà du bord longitudinal de la bande de fixation et une saillie (48) s'étendant à partir du porte-à-faux dans une première direction au-delà d'une première surface de la bande de fixation, la saillie étant espacée du bord longitudinal de la bande de fixation.
PCT/JP2022/044068 2021-11-30 2022-11-29 Demi-chaîne, butée et élément de fixation WO2023100904A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2117285.3A GB2613353A (en) 2021-11-30 2021-11-30 Fastener
GB2117285.3 2021-11-30

Publications (1)

Publication Number Publication Date
WO2023100904A1 true WO2023100904A1 (fr) 2023-06-08

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GB (1) GB2613353A (fr)
TW (1) TWI828449B (fr)
WO (1) WO2023100904A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007050234A (ja) * 2005-07-19 2007-03-01 Ykk Corp 線条スライドファスナーの上止
JP2008161522A (ja) * 2006-12-28 2008-07-17 Ykk Corp スライドファスナー用上止
WO2016203620A1 (fr) * 2015-06-18 2016-12-22 Ykk株式会社 Demi-chaîne de fermeture et fermeture à glissière

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3934027B2 (ja) * 2002-10-23 2007-06-20 Ｙｋｋ株式会社 スライドファスナー
JP5464531B2 (ja) * 2009-12-28 2014-04-09 Ｙｋｋ株式会社 スライドファスナー
CN108348048B (zh) * 2015-12-15 2021-04-16 Ykk株式会社 具有止码的拉链

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007050234A (ja) * 2005-07-19 2007-03-01 Ykk Corp 線条スライドファスナーの上止
JP2008161522A (ja) * 2006-12-28 2008-07-17 Ykk Corp スライドファスナー用上止
WO2016203620A1 (fr) * 2015-06-18 2016-12-22 Ykk株式会社 Demi-chaîne de fermeture et fermeture à glissière

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TW202335603A (zh) 2023-09-16
TWI828449B (zh) 2024-01-01
GB202117285D0 (en) 2022-01-12
GB2613353A (en) 2023-06-07

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