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.:
Date of Patent:
Dec. 25, 2018
Filed:
Dec. 26, 2014
Ykk Corporation, Tokyo, JP;
Yasuharu Yoshimura, Toyama, JP;
Takahiro Fukuyama, Toyama, JP;
Kousuke Seki, Toyama, JP;
Atsushi Ogihara, Toyama, JP;
Chikako Hiromi, Toyama, JP;
Takuya Koizumi, Toyama, JP;
Itaru Hasegawa, Toyama, JP;
Kazuya Akitsu, Toyama, JP;
Takanori Kumei, Toyama, JP;
Kouta Kido, Toyama, JP;
YKK Corporation, , JP;
Abstract
A metallic fastener member has a specific color of light gold and also has high strength, discoloration resistance and high workability to withstand practical use. A metallic fastener member including a base material of a copper alloy having composition containing 1 to 30% by mass of Zn and 1 to 11% by mass of Ni, the balance being Cu and inevitable impurities, wherein the metallic fastener member has a Vickers hardness of Hv 120 or more and less than Hv 220.