Invention Grant
- Patent Title: Molded surface fastener manufacturing method
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Application No.: US16807251Application Date: 2020-03-03
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Publication No.: US11259605B2Publication Date: 2022-03-01
- Inventor: Yoshiyuki Fukuhara , Hiroyuki Yamashita , Takahiro Fuse , Isamu Michihata , Yui Hashimoto
- Applicant: YKK Corporation
- Applicant Address: JP Tokyo
- Assignee: YKK Corporation
- Current Assignee: YKK Corporation
- Current Assignee Address: JP Tokyo
- Agency: Kilpatrick Townsend & Stockton LLP
- Main IPC: A44B18/00
- IPC: A44B18/00 ; B29C69/02 ; B29C43/46 ; B29C43/22 ; A61F13/62 ; B29C43/52

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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