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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10918171 B1

PDFFull Text
Date of Patent:
Feb. 16, 2021

Filed:

Jul. 26, 2016

Copper alloy fastener element and slide fastener

Applicant:

Ykk Corporation, Tokyo, JP;

Inventors:

Takanori Kumei, Kurobe, JP;

Atsushi Ogihara, Kurobe, JP;

Chikako Hiromi, Kurobe, JP;

Yoshio Taira, Kurobe, JP;

Muneyoshi Yokota, Kurobe, JP;

Takahiro Fukuyama, Kurobe, JP;

Kouta Kido, Kurobe, JP;

Assignee:

YKK Corporation;

Attorney:

Kilpatrick Townsend & Stockton LLP

Primary Examiner:

Jason W San

Int. Cl.
CPC ...
C22C 1/00 (2006.01); A44B 19/14 (2006.01); B21C 1/02 (2006.01); B21D 53/36 (2006.01); C22C 9/04 (2006.01); C22F 1/08 (2006.01); A44B 19/24 (2006.01); B21F 45/16 (2006.01);
U.S. Cl.
CPC ...
A44B 19/14 (2013.01); A44B 19/24 (2013.01); B21C 1/02 (2013.01); B21D 53/36 (2013.01); B21F 45/16 (2013.01); C22C 9/04 (2013.01); C22F 1/08 (2013.01);
Abstract

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.

Find Patent Forward Citations

Kumei, Takanori. (2021). Copper alloy fastener element and slide fastener (U.S. Patent No. 10918171). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10918171

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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