Method and apparatus for continuously molding a fastening connector

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United States of America Patent

PATENT NO 5800760
SERIAL NO

08714306

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Abstract

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A fastening connector of thermoplastic resin for connecting two separate members together is continuously molded efficiently in a single step by a simple method and apparatus. The method includes the steps of continuously extruding molten resin from an injection nozzle to the circumferential surface of a die wheel, which has in the circumferential surface, a multiplicity of engaging-element-forming cavities, to continuously mold a substrate sheet between the circumferential surface of the die wheel and the injection nozzle and a multiplicity of engaging elements in the engaging-element-forming cavities which elements stand on a front surface of the substrate sheet and, at the same time, to continuously mold at least one engaging ridge, through an engaging-ridge-molding channel, with part of the molten resin integrally with a rear surface of the substrate sheet.

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Patent Owner(s)

Patent OwnerAddress
YKK CORPORATION1 KANDA IZUMI-CHO CHIYODA-KU TOKYO 101-8642

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akeno, Mitsuru Toyama, JP 42 830
Minato, Tsuyoshi Toyama, JP 37 437
Takizawa, Toshiaki Toyama, JP 66 812

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