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:
Jul. 08, 2025
Filed:
Jul. 02, 2021
Applicant:
Ykk Corporation, Tokyo, JP;
Inventors:
Yuki Urita, Toyama, JP;
Atsushi Ogihara, Toyama, JP;
Shigeru Tsuchida, Toyama, JP;
Chikako Hiromi, Toyama, JP;
Ryota Ara, Toyama, JP;
Sohei Nagasawa, Kanagawa, JP;
Mitsuomi Katori, Kanagawa, JP;
Misako Hosaka, Kanagawa, JP;
Assignee:
YKK Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C22C 21/08 (2006.01); A44B 19/04 (2006.01); B32B 15/01 (2006.01); C23C 22/66 (2006.01);
U.S. Cl.
CPC ...
C22C 21/08 (2013.01); B32B 15/016 (2013.01); C23C 22/66 (2013.01); A44B 19/04 (2013.01);
Abstract
An aluminum alloy fastening member has a novel chemical includes conversion coating as a colored coating, a fastener chain. A method producing the aluminum alloy fastening member. The aluminum alloy fastening member includes a chemical conversion coating containing manganese as a component element, and the chemical conversion coating satisfies hue ranges of −3≤a*≤12, −5≤b*≤35, and 45≤L*≤80 in a CIELAB color space as defined by JIS Z 8781-4 (2013).