Patents Assigned to YKK Corporation
  • Automatic sizing cutting device
    Patent number: 10828794
    Abstract: An automatic sizing cutting device includes a conveyance unit, a measuring device, a rotary cutter arranged downstream of the conveyance unit so as to oppose a band-shaped member and having a cutting blade on an outer circumferential surface thereof, a die roller which is arranged on a side of the band-shaped member opposite to the rotary cutter and which rotates in a direction opposite to a rotation direction of the rotary cutter; and an elastic member which urges the die roller toward the rotary cutter. The rotary cutter is controlled to rotate in accordance with a conveyed length of the band-shaped member measured by the measuring device, and is controlled such that circumferential speeds of the rotary cutter and the die roller when the cutting blade of the rotary cutter cuts the band-shaped member are equal to a conveying speed of the band-shaped member.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: November 10, 2020
    Assignee: YKK Corporation
    Inventors: Katsuro Okabe, Kazuya Takase
  • Fastener stringer provided with metal element row having plating film, fastener chain, and slide fastener
    Patent number: 10820667
    Abstract: Provided is a fastener stringer including a row of metal elements having a plating film formed with improved thickness uniformity without waste, even if the elements are not electrically connected to each other in advance. For each of ten adjacent metal elements of the fastener stinger, 0.6?D1/A1?2.0 is satisfied in which A1 represents an average value of thickness of the plating film for the ten metal elements at element center on either one main surface side of the fastener tape, and D1 represents thickness of the plating film for each of the metal elements at the element center on the one main surface side of the fastener tape.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: November 3, 2020
    Assignee: YKK Corporation
    Inventors: Norio Kikukawa, Koji Hashiba
  • Skin-material fixing tool
    Patent number: 10820719
    Abstract: There is provided a cover-material fixing tool. A cover-material fixing end member is configured to be attached on a cover-material. A clip is configured to be attached on a cover-material fixing end member. The cover-material fixing end member includes a tape member, a clip locking member, and a plurality of stoppers. The clip includes a locking portion for holding the clip locking member to allow the clip locking member to move in a longitudinal direction, and a locking protrusion protruding toward the clip locking member and configured to abut against the stoppers. The clip is movable between the adjacent stoppers to allow position adjustment thereof.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: November 3, 2020
    Assignee: YKK Corporation
    Inventors: Ryuichi Murasaki, Takefumi Adachi, Genta Matsumura, Tetsuya Fukuzawa, Wanli Zhang, Hikaru Okuyama
  • Element for slide fastener
    Patent number: 10786051
    Abstract: Elements for a slide fastener are provided, which have high strength and improved abrasion resistance. More particularly, an element for a slide fastener includes as a base material, an aluminum alloy having a composition represented by a general formula: AlaSibCucMgd in which a, b, c and d are expressed in percentage by mass, a denotes a balance, 0.4?b?0.9, 0.15?c?0.8, 0.8?d?2.0, and unavoidable impurity elements may be contained; and the aluminum alloy containing a precipitate containing Mg and Si.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: September 29, 2020
    Assignee: YKK Corporation
    Inventors: Takahiro Fukuyama, Koichi Mikado, Yasuharu Yoshimura, Tetsuya Katsumi, Tatewaki Ido
  • Slide fastener
    Patent number: 10765179
    Abstract: There is provided a slide fastener with a separable stop including a retainer pin and a separable pin. The separable pin has a projection configured to be engaged with a fastener element. The slider includes a raised portion. For example, the raised portion extends on a lower surface of the upper plate rearward from a periphery of the guide post and is raised from the lower surface of the upper plate toward the lower plate. The raised portion of the slider and the separable pin have respective contact portions configured to come in contact with each other in a moving direction of the slider. At least one of the contact portion of the raised portion of the slider and the contact portion of the separable pin is provided with an intersecting portion obliquely intersecting with the moving direction of the slider.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: September 8, 2020
    Assignee: YKK Corporation
    Inventors: Tomoyuki Ekko, Yusuke Hosokawa
  • Slider for slide fastener
    Patent number: 10765177
    Abstract: A slider is provided with a tab insertion gap between an upper blade of a slider body and a free end portion of a cover body and an open and close member for opening and closing the tab insertion gap. The open and close member is disposed alongside a stop pawl body in the slider width direction, and is also disposed such that a rear end part of the open and close member can swing vertically between a passing position where a attaching shaft portion of a tab passes through and a blocking position where the passing of the attaching shaft portion of the tab is blocked. The open and close member is urged toward the blocking position. The slider can attach the tab afterward, has a stop mechanism, and can significantly reduce manufacturing costs.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: September 8, 2020
    Assignee: YKK Corporation
    Inventor: Yoshikazu Hamada
  • Element, fastener stringer, and slide fastener
    Patent number: 10765178
    Abstract: An element is configured to be installed together with a tape to form a fastener stringer, and includes: a main body including an upper main body and a lower main body; an installing portion for installing the tape; a head; and a neck connecting the main body and the head, wherein at least one of the upper main body and the lower main body includes a convex portion and a base portion, the convex portion protrudes from the base portion and extends in the left-right direction at an intermediate position in the front-rear direction. An inclined portion inclined downward along the left-right direction is formed on at least one side of the head along the upper-lower direction, and protrusions extending in the front-rear direction are formed on both sides of the convex portion.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: September 8, 2020
    Assignee: YKK Corporation
    Inventor: Go Takani
  • Fastening copper alloy
    Patent number: 10760146
    Abstract: A copper alloy for fastening wherein the alloy has a structure of a mixture of ?-phase and a ?-phase; and wherein the alloy has a composition represented by the general formula: Cubal.ZnaMnb, where bal., a, and b are expressed in % by mass, bal. represents the balance, 34?a?40.5, 0.1?b?6, and inevitable impurities may be contained; and the composition satisfying the equation (1): b?(?8a+300)/7, where 34?a<37.5 and equation (2): b?(?5.5a+225.25)/5, where 35.5?a?40.5.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: September 1, 2020
    Assignee: YKK Corporation
    Inventors: Kouta Kido, Takuya Koizumi, Yasuharu Yoshimura, Takahiro Fukuyama, Atsushi Ogihara, Kouichi Mikado, Jun Kiyohara, Yoshio Taira
  • Cover material fastening clip
    Patent number: 10758060
    Abstract: A cover-material fastening clip includes a locking portion having a guide piece and a hook which includes an extension portion and a distal end portion. The guide piece extends includes a bent portion bent and extended toward the distal end portion. An insertion opening having a predetermined gap and allowing a wire to be inserted therethrough is positioned between the bent portion and the distal end portion. A distal end portion of the guide piece extending from the bent portion is an elastic piece portion being elastically deformed to be spaced from the distal end portion and to widen the insertion opening. In a part of the locking portion, which is located within a range, in which the elastic piece portion can be elastically deformed and thus moved, an escape space is provided to allow a distal end of the elastic piece portion to be positioned therein.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: September 1, 2020
    Assignee: YKK Corporation
    Inventors: Genta Matsumura, Shinsuke Saiga, Yoshitomo Iyoda, Takefumi Adachi
  • Surface fastener molding apparatus and its operational method, and a method for producing a surface fastener
    Patent number: 10723046
    Abstract: A surface fastener molding apparatus includes a supporting structure and a second supporting structure for axially supporting a mold roll in a rotatable manner at a first end side and a second end side of the mold roll which is opposite to the first end side. The mold roll includes a circumferential surface in which a plurality of mold cavities for molding engaging elements of the surface fastener is provided. A first linear driving means and second linear driving means are provided which are for, respectively, advancing or retracting the first supporting structure and the second supporting structure. The degree of closeness between the extruding nozzle and the mold roll is regulatable across the first end side and the second end side of the mold roll, based on at least one activation of the first driving means and the second driving means.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: July 28, 2020
    Assignee: YKK Corporation
    Inventors: Atsunori Sugimoto, Toru Umekawa, Masashi Daidoji
  • Polyamide resin composition for slide fastener, slide fastener component, and slide fastener provided with same
    Patent number: 10717830
    Abstract: Provided is a polyamide resin composition for a slide fastener that includes at least one polyamide resin and reinforcing fibers, wherein a total mass of the polyamide resin and the reinforcing fibers accounts for 90% by mass or more of the composition; wherein poly(m-xylylene adipamide) (MXD 6) accounts for 60% by mass or more of the polyamide resin; wherein reinforcing fibers account for 45 to 70% by mass of the total mass of the polyamide resin and the reinforcing fibers; wherein both first reinforcing fibers having a fiber diameter of from 5 to 7 ?m and second reinforcing fibers having a fiber diameter larger than that of the first reinforcing fibers by more than 2 ?m account for 90% by mass or more of the reinforcing fibers; and wherein the first reinforcing fibers account for 20% by mass or more and less than 50% by mass of the reinforcing fibers.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: July 21, 2020
    Assignee: YKK Corporation
    Inventors: Kazuya Mizumoto, Hironobu Wakasa, Yasuhiro Yokogoshi, Norihide Ozaki
  • Fastening tape with injected foam gasket
    Patent number: 10709210
    Abstract: Described is a fastening tape that includes a plurality of attachment portions extending upwardly from a bottom portion of the fastening tape. The fastening tape also includes at least one inner wall disposed adjacent to at least some of the plurality of attachment portions and at least one outer wall offset from the at least one inner wall such that a cavity is disposed between the at least one inner wall and the at least one outer wall. Finally, the fastening tape includes an injected foam member disposed in the cavity.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: July 14, 2020
    Assignee: YKK Corporation
    Inventors: David Smith, Zhiyu Ren, Tsuyoshi Minato
  • Fastening tape
    Patent number: 10694821
    Abstract: A fastening tape with a flange is provided. The fastening tape includes a body and a plurality of fasteners positioned on the body. The flange is between the plurality of fasteners and an edge of the body. In some cases, the flange increases the “hook to foam strength” of the fastening tape when the fastening tape is within foam.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: June 30, 2020
    Assignee: YKK Corporation
    Inventors: Tsuyoshi Minato, Zhiyu Ren, Atsushi Nakaya, Michael Fleming, Keith Kratz, Wolfgang Coronel, Takayuki Matsui, Tetsuya Yoshino
  • Slider and slide fastener
    Patent number: 10694822
    Abstract: A slider includes a slider body and a pull. The slider body includes an upper blade and a lower blade arranged to be spaced from each other in an up-down direction and to be parallel to each other, a guide post connecting the upper blade and the lower blade, and a pull attachment portion provided on an upper surface of the upper blade. The pull is attached to the pull attachment portion. A cut-out portion is formed on a front end portion of the upper blade at one of left and right sides with respect to the guide post. The cut-out portion is formed to be positioned at a rear side than a front end portion of the upper blade at the other of the left and right sides with respect to the guide post and than a front end portion of the lower blade.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: June 30, 2020
    Assignee: YKK Corporation
    Inventors: Masayoshi Kojima, Hideki Sato, Takayuki Inukai
  • Fastener stringer and slide fastener
    Patent number: 10687591
    Abstract: A monofilament having, in cross section, a first width and a second width being orthogonal to the first width and being greater than the first width is helically wound about the circumference surface of the mandrel. Each helical unit included in the configured helix of the monofilament includes a pair of legs, a first coupling portion coupled between said pair of legs, and a second coupling portion coupled between one leg of said pair of legs and the other leg of a pair of legs in an adjacent helical unit. The second width of said first coupling portion is oriented along the axial direction of the mandrel. The first coupling portion in each helical unit in the helix is pressed such that the second width of the first coupling portion is widened in its width direction, thereby forming an engagement head.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: June 23, 2020
    Assignee: YKK Corporation
    Inventors: Takumi Arai, Yoshihiro Kohsaka, Takahiko Aoki, Takashi Mori
  • Cover attachment structure and method
    Patent number: 10646006
    Abstract: A cover attachment structure includes a sheet-shaped cover member, a base, and a fastener member. The fastener member includes a first element row and a second element row. The base has a recessed groove extending along a surface thereof. Fastener elements of the first element row and the second element row are received in the recessed groove and locked in the recessed groove in a state in which engaging head portions of the fastener elements engage with each other. The recessed groove is configured such that a minimum groove width thereof in a width direction orthogonal to a length direction of the recessed groove is less than 2 times a length, in the width direction, of either one of the fastener elements received in the recessed groove.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: May 12, 2020
    Assignee: YKK Corporation
    Inventors: Wanli Zhang, Yuko Fukuda, Hikaru Okuyama
  • Methods for manufacturing hook fastener
    Patent number: 10646004
    Abstract: A hook fastener includes a stem having two lateral edges, a first surface, and a second surface. A cap extends from an upper end of the stem, and the cap includes an upper surface, a first end, a second end, and a pair of overhanging portions. The upper surface of the cap is sloped between the first end and the second end. The first and second ends are at opposite longitudinal ends of the cap, and each overhanging portion extends in a lateral direction from the stem.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: May 12, 2020
    Assignee: YKK Corporation
    Inventors: Satoshi Nakada, Chieko Arai, Ryosuke Tanimoto
  • Slide fastener with blocking element
    Patent number: 10646005
    Abstract: Various implementations include a slide fastener that has a blocking element on one stringer that prevents engagement compatibility with standard elements on the other stringer. For example, at least one blocking element is coupled to a first stringer, and first and second blocking coupling elements are coupled to a second stringer. The contour of the blocking element and the contour of the blocking coupling elements are different from the contour of the standard elements on the stringers such that the standard elements do not engage with the blocking element or the blocking coupling elements in an alternating arrangement. However, the contour of the blocking element and contour of the blocking coupling elements allow for the engagement of the blocking element with the blocking coupling elements in an alternating arrangement.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: May 12, 2020
    Assignee: YKK Corporation of America
    Inventor: Suguru Ogura
  • Insert pin for slide fastener
    Patent number: D887895
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: June 23, 2020
    Assignee: YKK Corporation
    Inventors: James A. Eldridge, Suguru Ogura
  • Slider for slide fastener
    Patent number: D891296
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: July 28, 2020
    Assignee: YKK Corporation
    Inventor: Kazuki Hosoe