Kilpatrick Townsend & Stockton LLP
Molded surface fastener
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.
YKK Corporation
B A B B B B B B B A A B A
B29L A44B B29C B29C B29C B29C B29C B29C B29C A44B A44B B29C A44B
additional inventional additional additional inventional additional additional inventional inventional additional additional additional inventional
Isamu Yoshiyuki Yui Makoto Hiroyuki
Michihata Fukuhara Hashimoto Takekawa Yamashita