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公开(公告)号：US12156574B2
公开(公告)日：2024-12-03
申请号：US17129115
申请日：2020-12-21
Applicant: YKK Corporation
Inventor： Yoshiyuki Fukuhara , Hiroyuki Yamashita , Takahiro Fuse , Isamu Michihata , Yui Hashimoto
Abstract: In this molded surface fastener, plural engaging elements having a stem portion and an engaging head portion formed integrally on the stem portion are standing on the base portion, at least one pawl portion having a pawl width dimension narrower than a width dimension at a boundary between the stem portion and the engaging head portion is protruded on an outer peripheral edge part of the engaging head portion, and a back surface of pawl of the pawl portion is formed at different angles with respect to a back surface of head portion of the engaging head portion. Such a molded surface fastener of the present invention has a substantial engaging force with respect to a female surface fastener and can make a texture of its surface comfortable.
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公开(公告)号：US09854880B2
公开(公告)日：2018-01-02
申请号：US15025851
申请日：2013-09-30
Applicant: YKK Corporation
Inventor： Yoshinori Kojima , Hayuru Tanaka , Isamu Michihata , Yui Miyawaki
Abstract: [Problem] To provide a slide fastener chain and a slide fastener, which have a small curvature radius and which have flexibility enabling the slide fastener chain and the slide fastener to be smoothly bent. [Solution] A slide fastener chain (1) comprises: a pair of fastener tapes (2); and elements (3) affixed to the facing edges (21) of the fastener tapes (2) at a predetermined pitch. The slide fastener chain (1) is characterized in that: the elements (3) each have bases (31a, 32a) affixed to a fastener tape (2) and each have heads (31c, 32c) protruding from the bases (31a, 32a) and engaging with facing elements (3); and the thickness (t) and pitch (p) of the elements (3) satisfy the following expressions (1) and (2).
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公开(公告)号：US11259605B2
公开(公告)日：2022-03-01
申请号：US16807251
申请日：2020-03-03
Applicant: YKK Corporation
Inventor： Yoshiyuki Fukuhara , Hiroyuki Yamashita , Takahiro Fuse , Isamu Michihata , Yui Hashimoto
Abstract: In this molded surface fastener, plural engaging elements having a stem portion and an engaging head portion formed integrally on the stem portion are standing on the base portion, at least one pawl portion having a pawl width dimension narrower than a width dimension at a boundary between the stem portion and the engaging head portion is protruded on an outer peripheral edge part of the engaging head portion, and a back surface of pawl of the pawl portion is formed at different angles with respect to a back surface of head portion of the engaging head portion. Such a molded surface fastener of the present invention has a substantial engaging force with respect to a female surface fastener and can make a texture of its surface comfortable.
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公开(公告)号：US10433620B2
公开(公告)日：2019-10-08
申请号：US15535934
申请日：2014-12-25
Applicant: YKK Corporation
Inventor： Hirokazu Kameyama , Isamu Michihata , Yui Hashimoto
Abstract: A waterproof fastener chain includes: a pair of fastener tapes made of polyester resin adjacent to each other at a given space between each side edge thereof, rows of elements respectively attached onto a main surface of the side edge of each of the fastener tapes, and waterproof coated films made of polyester resin respectively formed on a main surface of each of the fastener tapes. An outer surface of each of the waterproof coated films is flat at least at a position where a slider is to pass over, each of the waterproof coated films penetrates into irregularities on the main surface of each of the fastener tapes, a penetration depth of the waterproof coated films into a gap caused by the space of the pair of fastener tapes is not more than thickness of the fastener tapes.
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公开(公告)号：US20240251916A1
公开(公告)日：2024-08-01
申请号：US18566966
申请日：2021-06-11
Applicant: YKK Corporation
Inventor： Takumi Mochizuki , Makoto Takekawa , Yoshiyuki Fukuhara , Isamu Michihata , Wataru Kuriyama
IPC: A44B18/00
CPC classification number: A44B18/0049 , A44B18/0003
Abstract: In a surface fastener in plan view seen from above the engaging elements, when an area of an engaging head portion of one of the engaging elements is defined as a head portion area, the head portion area of each of the engaging elements is 22000 μm2 or greater and 50000 μm2 or less. According to the surface fastener, it is possible to obtain a large peel strength with respect to a female surface fastener.
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Patent Agency Ranking
公开(公告)号：US11284681B2
公开(公告)日：2022-03-29
申请号：US16500090
申请日：2017-04-03
Applicant: YKK Corporation
Inventor： Makoto Takekawa , Yoshiyuki Fukuhara , Hiroyuki Yamashita , Isamu Michihata , Yui Hashimoto
Abstract: Provided is a molding apparatus used for manufacturing a molded surface fastener wherein a die wheel driving rotationally has a concentric double cylinder structure provided with an outer side cylindrical body that has provided therethrough a plurality of penetrating holes, and an inner side cylindrical body that has formed, in the outer peripheral surface thereof, a plurality of grooved portions, the grooved portions located in the inner side cylindrical body include a use grooved portion that intersects with the penetrating hole of the outer side cylindrical body and a non-use grooved portion that is covered by the inner peripheral surface of the outer side cylindrical body. By using this molding apparatus obtained is a molded surface fastener in which a plurality of types of engaging elements having different shapes in a plan view are arranged cyclically in a reference direction.
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公开(公告)号：US11089845B2
公开(公告)日：2021-08-17
申请号：US16061979
申请日：2015-12-24
Applicant: YKK Corporation
Inventor： Yoshiyuki Fukuhara , Hiroyuki Yamashita , Takahiro Fuse , Isamu Michihata , Yui Hashimoto
Abstract: In this molded surface fastener, plural engaging elements having a stem portion and an engaging head portion formed integrally on the stem portion are standing on the base portion, at least one pawl portion having a pawl width dimension narrower than a width dimension at a boundary between the stem portion and the engaging head portion is protruded on an outer peripheral edge part of the engaging head portion, and a back surface of pawl of the pawl portion is formed at different angles with respect to a back surface of head portion of the engaging head portion. Such a molded surface fastener of the present invention has a substantial engaging force with respect to a female surface fastener and can make a texture of its surface comfortable.
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公开(公告)号：US20210106101A1
公开(公告)日：2021-04-15
申请号：US17129115
申请日：2020-12-21
Applicant: YKK Corporation
Inventor： Yoshiyuki Fukuhara , Hiroyuki Yamashita , Takahiro Fuse , Isamu Michihata , Yui Hashimoto
Abstract: In this molded surface fastener, plural engaging elements having a stem portion and an engaging head portion formed integrally on the stem portion are standing on the base portion, at least one pawl portion having a pawl width dimension narrower than a width dimension at a boundary between the stem portion and the engaging head portion is protruded on an outer peripheral edge part of the engaging head portion, and a back surface of pawl of the pawl portion is formed at different angles with respect to a back surface of head portion of the engaging head portion. Such a molded surface fastener of the present invention has a substantial engaging force with respect to a female surface fastener and can make a texture of its surface comfortable.
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公开(公告)号：US20170311684A1
公开(公告)日：2017-11-02
申请号：US15520741
申请日：2014-10-29
Applicant: YKK Corporation
Inventor： Toshiyuki Asami , Isamu Michihata , Sayaka Nakamura , Yoshinori Kojima
Abstract: Elements are made of a polyacetal resin, which can effectively improve the chain crosswise strength while maintaining wear resistance. Provided is a fastener element made of a polyacetal resin composition containing 5 to 30% by mass of reinforcing fibers each having an average fiber diameter of 5 to 15 μm and a numeric average fiber length of 150 to 500 μm.
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公开(公告)号：US20240349848A1
公开(公告)日：2024-10-24
申请号：US18632918
申请日：2024-04-11
Applicant: YKK Corporation
Inventor： Yui Miyawaki , Isamu Michihata , Peng Li , Wataru Kuriyama , Shinichi Daijogo
IPC: A44B18/00
CPC classification number: A44B18/0065
Abstract: In a surface fastener according to the present invention, a plurality of the hook groups and a spaced part provided between adjacent ones of the hook groups are disposed on the base part. The hook groups each include a first engaging element and a second engaging element. Each adjacent two of the engaging elements in each of the hook groups are oriented such that an element-head side of one of the two engaging elements and an element-back side of an other of the two engaging elements face each other or the respective element-back sides of the two engaging elements face each other, and each two of the engaging elements that are located across the spaced part from each other in the first direction are oriented such that the respective element-head sides of the two engaging elements face each other.
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