Copper alloy fastener element and slide fastener

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United States of America Patent

PATENT NO 11246382
APP PUB NO 20210045502A1
SERIAL NO

17085256

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Abstract

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Provided is a copper alloy fastener element which improves season cracking resistance by a means different from that of increasing a ratio of a β phase. The copper alloy fastener element includes a copper-zinc alloy as a base material, the base material having: an apparent zinc content of from 34 to 38%; a dendrite structure; and a β phase at a ratio of 10% or less.

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Patent Owner(s)

Patent OwnerAddress
YKK CORPORATIONCHIYODA-KU TOKYO 101-8642

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukuyama, Takahiro Kurobe, JP 10 40
Hiromi, Chikako Kurobe, JP 7 7
Kido, Kouta Kurobe, JP 5 14
Kumei, Takanori Kurobe, JP 3 4
Ogihara, Atsushi Kurobe, JP 61 164
Taira, Yoshio Kurobe, JP 4 7
Yokota, Muneyoshi Kurobe, JP 2 1

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