Kilpatrick Townsend & Stockton LLP
Molded surface fastener manufacturing method
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.
YKK Corporation
B B A A A A B A A A A B B B B B B B
B29C B29K A44B A44B A44B A44B B29C A44B A44B A44B A61F B29C B29C B29L B29C B29C B29C B29C
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Hiroyuki Yoshiyuki Takahiro Yui Isamu
Yamashita Fukuhara Fuse Hashimoto Michihata