EP3677140B1 - Schieber für reissverschluss und reissverschluss - Google Patents

Schieber für reissverschluss und reissverschluss Download PDF

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Publication number
EP3677140B1
EP3677140B1 EP17923024.8A EP17923024A EP3677140B1 EP 3677140 B1 EP3677140 B1 EP 3677140B1 EP 17923024 A EP17923024 A EP 17923024A EP 3677140 B1 EP3677140 B1 EP 3677140B1
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EP
European Patent Office
Prior art keywords
pair
inclined surface
slider
surface portion
pillar
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Active
Application number
EP17923024.8A
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English (en)
French (fr)
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EP3677140A4 (de
EP3677140A1 (de
Inventor
Yoshikazu Hamada
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YKK Corp
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YKK Corp
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Publication of EP3677140A4 publication Critical patent/EP3677140A4/de
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    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44BBUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00Slide fasteners
    • A44B19/24Details
    • A44B19/26Sliders

Definitions

  • the present invention relates to a slider used for a slide fastener and a slide fastener.
  • a case where the slide fastener is easy to close generally refers to a state in which front and rear portions of the pair of element rows with a slider in the middle are on a horizontal plane.
  • a part of the pair of element rows that is about to enter the slider that is, a plurality of elements positioned on a front side of the slider becomes a state in which both sides thereof in the thickness direction are parallel to a horizontal plane.
  • this state is referred to as a state in which the posture of the elements is good.
  • the elements meshed with each other in the slider are in a good posture.
  • the element includes a body fixed to the fastener tape and extending in a lateral width direction of the fastener tape, and a meshing portion protruding from the body toward a facing tape.
  • the body and the meshing portion are in a state parallel to the horizontal plane.
  • the elements that is about to enter the slider is inclined with respect to the horizontal plane in the lateral width direction, in other words, if the meshing portion is located on the upper side or lower side with respect to the body, even if the slider is moved forward, the inclined elements may collide with facing surfaces of a pair of wing plates that face each other in the upper-lower direction in the slider, and therefore, it is more difficult for the elements to enter the slider as compare with a case where the elements are in the good posture.
  • the element is inclined at a predetermined angle with respect to a reference plane, when the slider is moved forward, the element is guided into the slider while in contact with the inclined surface, rotates such that the element gradually becomes a posture suitable for meshing, specifically, becomes horizontal, and finally guided into the horizontal surface.
  • the facing elements gradually approach and mesh with each other while keeping the horizontal between the upper and lower horizontal surfaces as the slider moves forward.
  • Patent Literature 1 WO2015/097793 .
  • DE 20 2015 103152 U1 discloses a slider for a slide fastener according to the preamble of claim 1.
  • Another slider for a slide fastener is known from EP 2 027 789 A2 .
  • the fastener stringers may be difficult to close, and it is desired that the fastener stringers can be closed more easily.
  • the fastener stringers can be easily closed even in a case where, for example, when a pair of element rows enters a slider, a separation state (separating distance) between the pair of element rows is narrow and the pair of element rows is close to the pillar, or on the contrary, the pair of element rows is close to flanges located at the left and right end portions of the wing plates; or when the elements are inclined greatly, and a depth width (a width from a front edge portion of a facing surface to a rear side (back side) of an element passage) of the inclined surface is narrow with respect to the inclination angle while it is desired to rotate the element so that the inclination becomes horizontal.
  • the present invention has been made in view of the above circumstances, and an object thereof is to make it easier to close a pair of fastener stringers.
  • a slider for a slide fastener includes a slider body configured to mesh and separate a pair of element rows with and from each other, the pair of element rows extending in a front-rear direction and facing with each other in a left-right direction.
  • the slider body includes a pair of wing plates having facing surfaces that face with each other in an upper-lower direction, a pillar connecting front portions of the pair of wing plates with each other in the upper-lower direction at an intermediate portions of the wing plates in the left-right direction, and an element passage penetrating in the front-rear direction between the pair of wing plates, a front side of the element passage being bifurcated into left and right sides of the pillar.
  • At least one of the wing plates is provide with guiding surfaces for guiding the pair of separated element rows on both left and right sides with respect to the pillar at a front edge portion of the facing surface thereof.
  • the guiding surface is an inclined surface that is inclined with respect to a horizontal direction such that a distance between the pair of wing plates in the upper-lower direction decreases from the front edge portion of the facing surface toward a rear side of the element passage, and includes a first inclined surface portion, a second inclined surface portion, and a third inclined surface portion that are sequentially arranged adjacent to each other in a direction away from the pillar on the left side or right side.
  • an inclination angle of the second inclined surface portion is an acute angle so that the second inclined surface portion is closer to a horizontal plane than the first inclined surface portion and the third inclined surface portion, and a maximum depth width of the second inclined surface portion is longer than a maximum depth width of the first inclined surface portion and a maximum depth width of the third inclined surface portion.
  • a direction away from the pillar on the left side or right side refers to the left side when the guiding surface is on the left side with respect to the pillar, and refers to the right side when the guiding surface is on the right side with respect to the pillar.
  • a relationship between the first to third inclined surface portions is not limited, but in order to rotate the elements of the element row inclined with respect to the horizontal plane to the horizontal, an inclined surface with an inclination angle close to the horizontal plane is desirable, that is, a gentle inclined surface is preferably widen, and therefore, the relationship is made as follows.
  • an area of the second inclined surface portion is larger than an area of the first inclined surface portion and an area of third inclined surface portion.
  • the shape of the second inclined surface portion is not limited, but the following is desirable in order to make the inclined surface portion as wide as possible and to make the posture of the inclined element horizontal.
  • the second inclined surface portion has a triangular shape.
  • the slider body preferably includes the following in addition to the pair of wing plates, the pillar, and the element passage.
  • the slider body includes a pair of flanges protruding from left and right edge portions of at least one of the pair of wing plates in a direction in which the distance between the pair of wing plates in the upper-lower direction is reduced.
  • the wing plate provided with the guiding surfaces on both left and right sides with respect to the pillar is the wing plate from which the flange protrudes.
  • the guiding surface is formed between the pillar and the flange.
  • At least one wing plate may include guiding surfaces on both left and right sides with respect to the pillar, but in order to enter the slider easily no matter how much the element is inclined so as to close the pair of fastener stringers easily, the following is desired.
  • the pair of wing plates each include the guiding surfaces on both left and right sides with respect to the pillar.
  • the slider is provided with guiding surfaces on both left and right sides with respect to the pillar on the pair of wing plates, it may also be difficult for the elements to enter the slider due to the structure of the element. It is desirable to use the slider described above for a slide fastener provided with such an element having a hard-to-enter structure, and an example thereof is as follows.
  • a slide fastener includes the slider described above, and a pair of fastener stringers to be guided by the slider.
  • the pair of fastener stringers includes a pair of tapes extending in a front-rear direction, and a pair of element rows fixed to facing side edge portions of the pair of tapes.
  • the element row includes a plurality of elements fixed along the tapes.
  • the element includes an element body fixed to the tape, a meshing portion protruding from a lower portion of the element body to a lateral side and to be meshed with another element, and a concealing portion protruding from an upper portion of the element body to the lateral side and partially concealing the meshing portion.
  • an upper surface of the element lowers the meshing portion in a stepped manner with respect to the element body and the concealing portion, and an upper surface of the element body and an upper surface of the concealing portion are formed in a single horizontal surface and in a rectangular shape parallel to front, rear, left and right directions, and a lower surface of the element is a horizontal surface.
  • the slider of the present invention in a case where the pair of element rows is close to or away from the pillar, or even in a case where the element rows are inclined greatly, when the element rows collides with the first inclined surface portion and the third inclined surface portion, the element rows can easily enter the slider, and the maximum depth width of the second inclined surface portion is larger than the maximum depth width of the first inclined surface portion and the third inclined surface portion, so that the area of the guiding surface can be reduced, and the pair of fastener stringers can be easily closed as compared with the case where the depth width over the entire length of the front edge portion of the wing plate is set to be the same as the maximum depth width of the second inclined surface portion.
  • the slider when the slider is provided with the guiding surfaces on both left and right sides with respect to the pillar on the pair of wing plates, it is easy to enter the slider so as to close the pair of fastener stringers easily no matter how much the element is inclined.
  • the element includes the element body, the meshing portion, and the concealing portion, the lower surface of the element is a horizontal surface, the meshing portion is stepwise lowered with respect to the upper surface of the element, and the upper surface of the element body and the upper surface of the concealing portion are formed in a single horizontal surface and in a rectangular shape parallel to the front, rear, left and right directions. Therefore, as compared to the element whose upper surface and lower surface are merely horizontal surfaces for example, the element is less likely to enter the slider, but in the present invention, since the pair of wing plates of the slider each are provided with guiding surfaces on the left and right sides with respect to the pillar, the element can easily enter the slider no matter how much the element is inclined.
  • a slide fastener 1 includes a pair of fastener stringers 2, 2 extending in parallel on a surface, and a slider 5 that is arranged between side edge portions, which face with each other, of the pair of fastener stringers 2, 2 and that can move along the facing side edge portions.
  • the pair of fastener stringers 2, 2 can be opened.
  • the pair of fastener stringers 2, 2 can be closed.
  • a front-rear direction is a direction in which the fastener stringer 2 extends, and is also referred to as a longitudinal direction.
  • a front direction is an upward direction in Fig. 7 , and is the direction in which the slider 5 closes the pair of fastener stringers 2, 2.
  • a rear direction is a downward direction in Fig. 7 , and is the direction in which the slider 5 opens the pair of fastener stringers 2, 2.
  • a left-right direction is a direction orthogonal to the longitudinal direction (front-rear direction) and is a direction in which the pair of fastener stringers 2, 2 face each other, and is also referred to as a lateral width direction or a lateral side.
  • a left direction is the left direction in Fig. 7
  • a right direction is the right direction in Fig. 7 .
  • the upper-lower direction is a direction orthogonal to the front-rear direction and the left-right direction, and is also called a thickness direction.
  • An upper direction is a direction orthogonal to the paper surface of Fig. 7 , that is, a direction facing a near side in the direction orthogonal to the front-rear direction and the left-right direction.
  • a lower direction is a direction facing a far side in the direction orthogonal to the paper surface of Fig. 7 .
  • the pair of fastener stringers 2, 2 includes a pair of tapes 3, 3 extending in the front-rear direction and facing with each other in the left-right direction, and a pair of element rows 4L, 4L fixed along the front-rear direction at left and right facing side edge portions of the pair of tapes 3, 3.
  • the tape 3 has a band shape in which a width in the longitudinal direction is longer than the lateral width, and a thickness direction thereof is the upper-lower direction.
  • the element row 4L is configured with a large number of elements 4 fixed at intervals in the front-rear direction along facing side edge portions of the tapes 3 in the present embodiment as shown in Fig. 7 .
  • the element row includes one in which a large number of elements are continuous, for example, one in which a monofilament is bent into a coil shape, and a large number of elements for one turn of the coil are continuous.
  • the details of the element 4 according to the present embodiment are shown in Fig. 8 .
  • the element 4 includes an element body 41 fixed in a state of sandwiching the tape 3, a meshing portion 45 that protrudes from a lower portion of the element body 41 to the lateral side and meshes with the other element 4, and a concealing portion 48 that protrudes from an upper portion of the element body 41 to the lateral side and partially conceals the meshing portion 45.
  • An upper surface 4U of the element 4 lowers the meshing portion 45 in a stepped manner with respect to the element body 41 and the concealing portion 48, and a lower surface 4D of the element 4 is a horizontal surface, more specifically, a single horizontal surface in which the element body 41 and the meshing portion 45 are continuous.
  • the element body 41 includes a front surface 41F and a rear surface 41B orthogonal to the front-rear direction, and the upper surface 41U and the lower surface 41D formed of the horizontal surface orthogonal to the upper-lower direction.
  • the element body 41 has one surface (surface on one side) of left and right side surfaces 41L, 41R opposite to the meshing portion 45 as a surface orthogonal to the left-right direction.
  • the element body 41 includes a body upper part 42 as an upper part thereof, and a body lower part 43 as a lower part thereof, the body lower part 43 being joined to the body upper part 42 on the side of the meshing portion.
  • the body lower part 43 includes a surface on the other side of the left and right side surfaces 41L, 41R of the lower part of the element body 41, and the meshing portion 45 protrudes from the surface on the other side (a side surface on an element side facing the lateral side).
  • the concealing portion 48 protrudes from the side surface of the body upper part 42 on a meshing portion side toward the meshing portion side.
  • a protruding length of the concealing portion 48 corresponds to a part of the entire length of the meshing portion 45 in the lateral width direction.
  • An upper surface of the body upper part 42 is the upper surface 41U of the element body 41, and the upper surface 41U of the element body 41 and the upper surface 48U of the concealing portion 48 are one horizontal surface and have a rectangular shape parallel to the front, rear, left and right directions.
  • the front, rear, left and right directions here are directions in a state where the elements 4 are meshed.
  • the meshing portion 45 has an upper surface 45U lower than the upper surface 48U of the concealing portion 48 in a stepped manner.
  • a lower surface 45D of the meshing portion 45 and the lower surface 41D of the element body 41 (body lower part 43) are one horizontal surface.
  • the meshing portion 45 is configured such that a portion on the element body side of a total length in the lateral width direction is narrower in a width in the front-rear direction than a portion on a front portion side of the total length in the lateral width direction, and is arranged below the concealing portion 48.
  • the concealing portion 48 protrudes in the front-rear direction with respect to the portion of the entire length of the meshing portion 45 in the lateral width direction on the element body side.
  • the slider 5 opens and closes the pair of fastener stringers 2, 2 as described above.
  • the slider 5 includes a slider body 6 that is configured to mesh and separate the pair of element rows 4L, 4L and is movable in the front-rear direction, and a handle (not shown) connected to the slider body 6.
  • the slider body 6 includes upper and lower wing plates 7, 8 facing each other at intervals in the upper-lower direction, a pillar 9 sandwiched between the pair of element rows 4L, 4L, which is the pillar 9 connecting between the facing front portions of the upper and lower wing plates 7, 8 at intermediate portions of the upper and lower wing plates 7, 8 in the left-right direction, and a flange F protruding from left and right ends of at least one (both in the illustrated example) of the upper and lower wing plates 7, 8 in a direction in which a facing distance between the upper and lower wing plates 7, 8 is reduced.
  • the slider body 6 has, as an internal space thereof, an element passage 12 penetrating in the front-rear direction with a front side thereof being bifurcated into the left and right sides of the pillar 9, and a tape groove 13 communicating with the element passage 12 and opening in the left and right.
  • the pair of element rows 4L, 4L is passed through the element passage 12, and a corresponding tape 3 is passed through each tape groove 13.
  • the slider body 6 includes a handle mounting portion 11 as a part thereof.
  • the handle mounting portion 11 is provided to protrude upward from an upper surface of the upper wing plate 7 for guiding the upper side of the pair of element rows, and a through hole 11H penetrating in the left-right direction is formed. Then, the handle is connected to the slider body 6 by inserting a part of the handle into the through hole 11H.
  • the pair of wing plates 7 and 8 respectively includes facing surfaces 71 and 81 which face with each other in the upper-lower direction.
  • each of the pair of wing plates 7 and 8 has the flange F protruding therefrom as described above. Since the pair of wing plates 7 and 8 are symmetrical in the upper-lower direction related to the facing surfaces 71 and 81, the description will be made centering on the facing surface 81 of the lower wing plate 8, and the facing surface 71 of the upper wing plate 7 will be described in a simplified manner.
  • the facing surface 81 of the lower wing plate 8 includes a pair of guiding surfaces 82, 82 for guiding the pair of separated element rows at a front edge portion of the slider body 6, and a meshing surface 87 for meshing the pair of separated element rows (a pair of element rows passing backward through the pair of guiding surfaces 82, 82).
  • the meshing surface 87 of the lower wing plate 8 is a horizontal surface, and is adjacent to the pair of guiding surfaces 82, 82 on the rear side.
  • the pair of guiding surfaces 82, 82 in the lower wing plate 8 are located at front edge portions of the facing surface 81, and are disposed on both sides of the pillar 9 in the left and right. More specifically, the left guiding surface 82 is a front edge portion of the facing surface 81 and is formed between the pillar 9 and the left flange F, and the right guiding surface 82 is a front edge portion of the facing surface 81 and is formed between the pillar 9 and the right flange F. Further, the guiding surface 82 is an inclined surface that is inclined with respect to the horizontal such that the distance between the pair of wing plates 7 and 8 in the upper-lower direction decreases from the front edge portion of the facing surface 81 toward the rear side of the element passage 12.
  • the guiding surface 82 (inclined surface), when viewed from the thickness direction, includes a front side 82F and a rear side 82B separated in the front-rear direction, and a pair of lateral sides 82L, 82R separated in the left-right direction, and the guiding surface 82 has a shape surrounded by the front side 82F, the rear side 82B, and the pair of lateral sides 82L, 82R.
  • the front side 82F is horizontal.
  • One of the pair of lateral sides 82L, 82R of the lower wing plate 8 corresponds to the position of the side surface of the pillar 9, and the other one corresponds to the position of the front edge portion of the flange F.
  • the front side 82F of the lower wing plate 8 matches the shape of the front edge portion of an outer shape of the wing plate 7 as viewed from the thickness direction, and has a shape with an end on the pillar side arranged at the front side of an end on the flange side among the entire length, and is located on the front side of a straight line connecting the end on the pillar side and the end on the flange side. More specifically, the front side 82F includes a first front side 82F1, a second front side 82F1, and a third front side 82F3 that are sequentially arranged adjacent to each other in a direction away from the pillar 9 on the left side or right side.
  • the front side 82F includes the third front side 82F3, the second front side 82F1, and the first front side 82F1 that are sequentially arranged adjacent to each other in a direction of approaching the pillar 9 on the left side or right side.
  • the front side 82F is configured by three alternately connected (continuous) lines including a straight line from the pillar side to the flange side, and an arc-shaped curve bulging to the front side. More specifically, the front side 82F includes the first front side 82F1 and the third front side 82F3 which are straight lines, and the second front side 82F2 which is an arc-shaped curve.
  • the third front side 82F3 is a straight line substantially parallel to the front-rear direction.
  • the first front side 82F1 is a straight line that is inclined with respect to the front-rear direction in a state of extending to the rear side as separating away from the pillar 9.
  • the second front side 82F2 has an arc shape as described above, and two tangent lines to both ends of the arc are the first front side 82F1 and the third front side 82F3.
  • the rear side 82B of the lower wing plate 8 is configured such that the end on the pillar side is arranged on the front side of the end on the flange side, and has a shape obtained by cutting a virtual line L1 (a virtual line parallel to the front side 82F) having a constant depth width with respect to the front side 82F of the wing plate 8 as viewed from the thickness direction by a straight line connecting two points P1 and P2 on the virtual line.
  • the two points on the virtual line L1 are points located on both sides with respect to the middle point of the entire length of the virtual line L1.
  • the two points P1 and P2 on the virtual line L1 are points located between the middle point of the entire length of the virtual line L1 and both end points of the entire length.
  • the rear side 82B includes a first rear side 82B 1, a second rear side 82B2, and a third rear side 82B3 that are sequentially arranged adjacent to each other in a direction away from the pillar 9 on the left side or right side.
  • the first rear side 82B1 is a straight line parallel to the first front side 82F1.
  • the third rear side 82B3 is a straight line parallel to the third front side 82F3.
  • the second rear side 82B2 is a straight line that is inclined with respect to the front-rear direction, and is a straight line that extends to the rear side as separating away from the pillar 9.
  • the guiding surface 82 of the lower wing plate 8 includes a first inclined surface portion 83, a second inclined surface portion 84, and a third inclined surface portion 85 that are sequentially arranged adjacent to each other in a direction away from the pillar 9 on the left side or right side.
  • the first inclined surface portion 83, the second inclined surface portion 84, and the third inclined surface portion 85 are flat surfaces.
  • An inclination angle of the second inclined surface portion 84 is an acute angle so that the second surface portion 84 is closer to the horizontal plane than the first inclined surface portion 83 and the third inclined surface portion 85.
  • the second inclined surface portion 84 is a gentler slope than the first inclined surface portion 83 and the third inclined surface portion 85.
  • the maximum depth width 84W of the second inclined surface portion 84 is longer than the maximum depth width 83W of the first inclined surface portion 83, and the maximum depth width 85W of the third inclined surface portion 85.
  • the depth width and the inclination angle are determined as follows.
  • the second inclined surface portion 84 of the lower wing plate 8 has a triangular shape.
  • vertices of the triangle are shown as bulging in an arc shape, but the vertices of the triangle are chamfered so as to be in contact with another adjacent surface on a curved surface.
  • the area of the chamfered region is negligible with respect to the area of the second inclined surface portion 84. Therefore, it can be said that the second inclined surface portion 84 is formed between the second front side 82F2 and the second rear side 82B2.
  • One side of the second inclined surface portion 84 occupies half of the rear side 82B of the inclined surface, more specifically 2/3 or more, and the second rear side 82B2 of the rear side 82B of the inclined surface becomes one side of the triangle, so that a shape is formed in which the width orthogonal to the depth direction as viewed from the thickness direction becomes wider toward the rear side.
  • the area of the second inclined surface portion 84 is larger than the area of the first inclined surface portion 83 and the area of the third inclined surface portion 85.
  • the first inclined surface portion 83 and the third inclined surface portion 85 are shaped such that the width parallel to the front side 82F as viewed from the thickness direction becomes narrower toward the rear side 82B.
  • the front side 82F is configured by three alternately connected (continuous) lines including a straight line from the pillar side to the flange side, and an arc-shaped curve bulging to the front side.
  • the width of the straight line parallel to the first front side 82F1 becomes narrower toward the first rear side 82B 1
  • the third inclined surface portion 85 the width of the straight line parallel to the third front side 82F3 becomes narrower toward the third rear side 82B3.
  • the first inclined surface portion 83 is formed between the first front side 82F1, the second front side 82F2 and the first rear side 82B 1.
  • the third inclined surface portion 85 is formed between the second front side 82F2, the third front side 82F3 and the third rear side 82B3.
  • the facing surface 71 of the upper wing plate 7 has a symmetrical shape with respect to the facing surface 81 of the lower wing plate 8, and therefore includes a pair of guiding surfaces 72, 72 and a meshing surface 77.
  • the guiding surface 72 of the upper wing plate 7 also includes a first inclined surface portion 73, a second inclined surface portion 74, and a third inclined surface portion 75.
  • the element rows 4L are meshed in a manner reverse to that shown in Fig. 5A . More specifically, the end of the upper surface 4U of the element 4 on the side opposite to the meshing portion contacts the third inclined surface portion of the upper wing plate 7 and enters the element passage 12, and the end of the lower surface 4D of the element 4 on the side of the meshing portion contacts the second inclined surface portion 84 of the lower wing plate 8 and enters the element passage 12.
  • the pair of element rows When the pair of element rows is close to the pillar 9, the end of the element body 41 on the side of the meshing portion passes near the pillar 9. In this case, the pair of element rows is meshed in a manner opposite to the case where the pair of element rows 4L, 4L is close to the flange F.
  • the end of the lower surface 4D of the element 4 on the side opposite to the meshing portion contacts the second inclined surface portion 84 of the lower wing plate 8 and enters the element passage 12, and the end of the upper surface 4U of the element 4 on the side of the meshing portion contacts the first inclined surface portion 73 of the upper wing plate 7 and enters the element passage 12.
  • the pair of wing plates 7, 8 each include the first to third inclined surface portions 73 to 75 and the first to third inclined surface portions 83 to 85 on the left and right with respect to the pillar 9, so that the element 4 can be placed in a good posture regardless of how the element 4 is inclined with respect to the horizontal.
  • the element 4 can easily enter the slider 5 as long as the element 4 collides with the first and third inclined surface portions 73, 75, and the first and third inclined surface portions 83, 85.
  • the maximum depth width 84W of the second inclined surface portion 84 in the lower wing plate 8 is longer than the maximum depth width 83W of the first inclined surface portion 83 and the maximum depth width 85W of the third inclined surface portion 85, and similarly, the maximum depth width of the second inclined surface portion 74 in the upper wing plate 7 is longer than the maximum depth width of the first inclined surface portion 73 and the maximum depth width of the third inclined surface portion 75, so that the area of the upper and lower guiding surfaces 72 and 82 can be reduced compared to the case where the depth width is the same as the maximum depth width of the second inclined surface portion over the entire length of the front side of the inclined surface, and therefore, the area of the upper and lower meshing surfaces 77, 87 can be increased, and the pair of fastener stringers 2, 2 can be easily closed.
  • the pair of flanges F, F protrudes from left and right edge portions of each of the pair of wing plates 7, 8, so that the slider 5 of the first embodiment can reliably guide the element rows 4L to each of the guiding
  • the element 4 includes the element body 41, the meshing portion 45, and the concealing portion 48
  • the lower surface 4D of the element 4 is a horizontal surface
  • the meshing portion 45 is stepwise lowered with respect to the upper surface 4U of the element 4
  • the upper surface 41U of the element body 41 and the upper surface 48U of the concealing portion 48 are formed in a single horizontal surface and in a rectangular shape parallel to the front, rear, left and right directions.
  • the element 4 is less likely to enter the slider 5, but in the present embodiment, since the pair of wing plates 7, 8 of the slider 5 each are provided with guiding surfaces 72, 82 on the left and right sides with respect to the pillar 9, the element 4 can easily enter the slider 5 no matter how much the element 4 is inclined.
  • the slider 5 of the first embodiment more specifically, the slider 5 in which the front side 82F of the upper and lower guiding surfaces 72, 82 is formed by the linear first front side 82F1, the arc-shaped second front side 82F2, and the linear third front side 82F3 is adopted, but a slider 5A as an example of the modification (hereinafter, referred to as modification) of the slider 5 according to the first embodiment as shown in Fig. 6 may also be used.
  • a front side 82F of a guiding surface 82 of a lower facing surface 81 is formed by only one arc-shaped curve bulging to the front side.

Claims (6)

  1. Schieber für einen Reißverschluss, aufweisend:
    einen Schieberkörper (6), der dazu ausgestaltet ist, Kuppelgliedreihen (4L, 4L) eines Paares miteinander in Eingriff zu bringen und voneinander zu trennen, wobei sich die Kuppelgliedreihen des Paares in einer Vorwärts-/Rückwärtsrichtung erstrecken und einander in einer Links-/Rechtsrichtung gegenüberliegen, wobei
    der Schieberkörper (6) aufweist: ein Paar Schildplatten (7, 8) mit einander in einer Oben-/Untenrichtung zugewandten Gegenoberflächen (71, 81), einen vordere Abschnitte der Schildplatten (7, 8) des Paares an Zwischenbereichen der Schildplatten (7, 8) in der Links-/Rechtsrichtung in der Oben-/Untenrichtung miteinander verbindenden Schieberkeil (9), und einen zwischen den Schildplatten (7, 8) des Paares in der Vorwärts-/Rückwärtsrichtung durchdringenden Kuppelgliedführungsweg (12), wobei eine vordere Seite des Kuppelgliedführungswegs (12) sich zur linken und zur rechten Seite des Schieberkeils (9) gabelt,
    wobei mindestens eine der Schildplatten (7, 8) mit Führungsoberflächen (72, 82) zum Führen des Paares getrennter Kuppelgliedreihen (4L, 4L) sowohl auf der linken als auch auf der rechten Seite des Schieberkeils (9) an einem vorderen Randabschnitt ihrer Gegenoberfläche (71, 81) versehen ist,
    wobei die Führungsoberfläche (72, 82) eine geneigte Oberfläche ist, die derart bezüglich einer horizontalen Richtung geneigt ist, dass ein Abstand zwischen den Schildplatten (7, 8) des Paares in der Oben-/Untenrichtung von dem vorderen Randabschnitt der Gegenoberfläche (71, 81) aus auf eine rückwärtige Seite des Kuppelgliedführungsweges (12) zu abnimmt und einen ersten geneigten Oberflächenabschnitt (73, 83), einen zweiten geneigten Oberflächenabschnitt (74, 84) und einen dritten geneigten Oberflächenabschnitt (75, 85) aufweist, die aufeinanderfolgend nebeneinander in einer Richtung von dem Schieberkeil (9) weg auf der linken oder der rechten Seite angeordnet sind,
    dadurch gekennzeichnet, dass
    ein Neigungswinkel des zweiten geneigten Oberflächenabschnitts (74, 84) ein spitzer Winkel ist, so dass der zweite geneigte Oberflächenabschnitt (74, 84) näher an einer horizontalen Ebene ist als der erste geneigte Oberflächenabschnitt (73, 83) und der dritte geneigte Oberflächenabschnitt (75, 85), und eine maximale Tiefenweite des zweiten geneigten Oberflächenabschnitts länger ist als eine maximale Tiefenweite des ersten geneigten Oberflächenabschnitts (73, 83) und eine maximale Tiefenweite des dritten geneigten Oberflächenabschnitts (75, 85).
  2. Schieber für einen Reißverschluss gemäß Anspruch 1, wobei
    eine Fläche des zweiten geneigten Oberflächenabschnitts (74, 84) größer ist als eine Fläche des ersten geneigten Oberflächenabschnitts (73, 83) und eine Fläche des dritten geneigten Oberflächenabschnitts (75, 85).
  3. Schieber für einen Reißverschluss gemäß Anspruch 1 oder 2, wobei
    der zweite geneigte Oberflächenabschnitt (74, 84) eine dreieckige Form hat.
  4. Schieber für einen Reißverschluss gemäß einem der Ansprüche 1 bis 3, wobei
    der Schieberkörper (6) ein Paar Flansche (F, F) aufweist, die von einem linken bzw. einem rechten Randabschnitt von mindestens einer Schildplatte (7, 8) des Paares aus in einer Richtung vorragen, in der der Abstand zwischen den Schildplatten (7, 8) des Paares in der Oben-/Untenrichtung verringert wird,
    die sowohl auf der linken als auch auf der rechten Seite des Schieberkeils (9) mit den Führungsoberflächen (72, 82) versehene Schildplatte (7, 8) diejenige Schildplatte (7, 8) ist, von der aus der Flansch (F) vorragt, und die Führungsoberfläche (72, 82) zwischen dem Schieberkeil (9) und dem Flansch (F) ausgebildet ist.
  5. Schieber für einen Reißverschluss gemäß einem der Ansprüche 1 bis 4, wobei
    die Schildplatten (7, 8) des Paares jeweils die Führungsoberflächen (72, 82) an sowohl der linken als auch an der rechten Seite bezüglich des Schieberkeils (9) aufweisen.
  6. Reißverschluss, aufweisend:
    den Schieber (5) gemäß Anspruch 5; und
    ein Paar von dem Schieber (5) zu führende Reißverschlussketten (2, 2), wobei
    das Paar von Reißverschlussketten (2, 2) ein Paar von sich in einer Vorwärts-/Rückwärtsrichtung erstreckenden Tragbändern (3, 3) und ein Paar von Kuppelgliedreihen (4L, 4L) aufweist, welche an sich zugewandten Seitenrandabschnitten der Tragbänder (3, 3) des Paares befestigt sind,
    die Kuppelgliedreihe (4L) eine Mehrzahl von entlang der Tragbänder (3) befestigten Kuppelgliedern (4) aufweist,
    das Kuppelglied (4) einen an dem Tragband (3) befestigten Kuppelgliedkörper (41), einen von einem unteren Abschnitt des Kuppelgliedkörpers (41) aus zu einer lateralen Seite vorragenden und mit einem anderen Kuppelglied (4) in Eingriff zu bringenden Eingriffsabschnitt (45) und einen von einem oberen Abschnitt des Kuppelgliedkörpers (41) aus zu einer lateralen Seite vorragenden und den Eingriffsabschnitt (45) teilweise verdeckenden Verdeckungsabschnitt (48) aufweist,
    eine obere Oberfläche (4U) des Kuppelglieds (4) den Eingriffsabschnitt (45) bezüglich des Kuppelgliedkörpers (41) und des Verdeckungsabschnitts (48) in einer stufigen Weise niedriger macht, und eine obere Oberfläche (41U) des Kuppelgliedkörpers (41) und eine obere Oberfläche (48U) des Verdeckungsabschnitts (48) als eine einzige horizontale Oberfläche und in einer rechteckigen Form ausgebildet sind, die parallel zur Vorwärts-, Rückwärts-, Links-, und Rechtsrichtung ist, und
    eine untere Oberfläche (4D) des Kuppelglieds (4) eine horizontale Oberfläche ist.
EP17923024.8A 2017-09-01 2017-09-01 Schieber für reissverschluss und reissverschluss Active EP3677140B1 (de)

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TW529357U (en) * 2001-12-14 2003-04-21 Chung Chwan Entpr Co Ltd Structure of zipper head with smooth pulling functions
JP4906637B2 (ja) * 2007-08-20 2012-03-28 Ykk株式会社 開離嵌挿具付隠しスライドファスナー用スライダー
WO2012020586A1 (ja) * 2010-08-11 2012-02-16 Ykk株式会社 スライドファスナー
JP5586697B2 (ja) * 2010-08-11 2014-09-10 Ykk株式会社 スライドファスナー
CN201860935U (zh) * 2010-11-29 2011-06-15 广东辉丰科技股份有限公司 一种拉链拉头
WO2012124024A1 (ja) * 2011-03-11 2012-09-20 Ykk株式会社 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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US9750313B2 (en) 2013-12-25 2017-09-05 Ykk Corporation Slider for slide fastener, and slide fastener
TWI592106B (zh) * 2015-03-13 2017-07-21 中傳企業股份有限公司 用於提升抗扭強度的拉鍊頭組合結構及其滑動件
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TWI651065B (zh) 2019-02-21
EP3677140A1 (de) 2020-07-08
CN111093417B (zh) 2022-10-25

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