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1.发明申请公开(公告)号：US20190008239A1
公开(公告)日：2019-01-10
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：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：US11559114B2
公开(公告)日：2023-01-24
申请号：US16828460
申请日：2020-03-24
Applicant: YKK Corporation
Inventor： Makoto Takekawa , Yoshiyuki Fukuhara , Hiroyuki Yamashita , Kyoichi Yuki
Abstract: Provided is a molded surface fastener capable of stably having high engaging strength with respect to a loop member. The molded surface fastener of the present invention includes a base portion and a plurality of engaging elements provided with a stem portion and an engaging portion, and is formed of synthetic resin containing lubricant at 0.15 wt % or more and 1.00 wt % or less. A top end surface of the engaging element is formed to be flat, and the engaging portion has a hanging portion which hangs down obliquely downward toward the base portion.
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公开(公告)号：US20210267320A1
公开(公告)日：2021-09-02
申请号：US17257883
申请日：2018-07-09
Applicant: YKK Corporation
Inventor： Hiroyuki Yamashita , Yoshiyuki Fukuhara , Ryosuke Tanimoto , Makoto Takekawa , Shoichi Yokoyama
IPC: A44B18/00
Abstract: In a molded surface fastener in which an engaging element includes at least two engaging pawl portions protruded outward, a plurality of the engaging elements is disposed in a line along a machine direction to form an element row, a plurality of the element rows is arranged side by side in a cross direction, each of the engaging elements has, as the engaging pawl portions, at least a pair of symmetrical engaging pawl portions which are disposed each other at symmetrical positions in the cross direction and are respectively protruded in the cross direction sides, and a plurality of the engaging elements is arranged in a staggered pattern. Thereby, the molded surface fastener can appropriately and stably exert desired performance such as peel strength with respect to more types of non-woven fabrics.
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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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Patent Agency Ranking
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：US20180368534A1
公开(公告)日：2018-12-27
申请号：US16061887
申请日：2016-12-20
Applicant: YKK Corporation
Inventor： Yoshiyuki Fukuhara , Hiroyuki Yamashita , Makoto Takekawa , Takahiro Fuse
IPC: A44B18/00
Abstract: In this molded surface fastener, an engaging element includes a columnar stem portion, and micro pawl portions protruding outward from an upper end outer peripheral edge of the stem portion in a plan view of the engaging elements. A pawl width dimension of the micro pawl portions is smaller than a line segment connecting two points on the upper end outer peripheral edge of the stem portion. The micro pawl portions protrude toward a base portion. This molded surface fastener has a high peel strength and a shear strength with respect to a female surface fastener.
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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：US20200305558A1
公开(公告)日：2020-10-01
申请号：US16828460
申请日：2020-03-24
Applicant: YKK Corporation
Inventor： Makoto Takekawa , Yoshiyuki Fukuhara , Hiroyuki Yamashita , Kyoichi Yuki
Abstract: Provided is a molded surface fastener capable of stably having high engaging strength with respect to a loop member. The molded surface fastener of the present invention includes a base portion and a plurality of engaging elements provided with a stem portion and an engaging portion, and is formed of synthetic resin containing lubricant at 0.15 wt % or more and 1.00 wt % or less. A top end surface of the engaging element is formed to be flat, and the engaging portion has a hanging portion which hangs down obliquely downward toward the base portion.
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