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:
Feb. 22, 2005
Filed:
Sep. 23, 2002
Applicants:
Nobuaki Wada, Anjo, JP;
Yasuhiro Nagaya, Hazu-gun, JP;
Mitsuhiro Ito, Nagoya, JP;
Naruhisa Kamiya, Toyohashi, JP;
Makoto Sakakibara, Hazu-gun, JP;
Inventors:
Nobuaki Wada, Anjo, JP;
Yasuhiro Nagaya, Hazu-gun, JP;
Mitsuhiro Ito, Nagoya, JP;
Naruhisa Kamiya, Toyohashi, JP;
Makoto Sakakibara, Hazu-gun, JP;
Assignee:
Yuken Industry Co., Ltd., Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B015/04 ; B32B015/18 ; B32B031/00 ;
U.S. Cl.
CPC ...
Abstract
A corrosion resistant member has a chemical conversion treatment film with a two-layer structure formed atop a metal substrate plated with zinc or zinc alloy plating. The two-layer structure comprises a lower layer containing Cr formed on the surface of the plating and an upper layer containing SiO.