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:
May. 26, 2015
Filed:
Sep. 19, 2014
Applicant:
Nihon Parkerizing Co., Ltd., Chuo-ku, Tokyo, JP;
Inventors:
Ryosuke Kawagoshi, Kanagawa, JP;
Hitoshi Ishii, Kanagawa, JP;
Assignee:
NIHON PARKERIZING CO., LTD., Chuo-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 30/00 (2006.01); C23C 22/50 (2006.01); C23C 22/53 (2006.01); C23C 22/56 (2006.01); C23C 22/83 (2006.01); C25D 13/20 (2006.01); C23C 18/16 (2006.01); C23C 18/54 (2006.01);
U.S. Cl.
CPC ...
C23C 30/005 (2013.01); Y10T 428/13 (2015.01); Y10T 428/12389 (2015.01); Y10T 428/12681 (2015.01); C23C 22/50 (2013.01); C23C 22/53 (2013.01); C23C 22/56 (2013.01); C23C 22/83 (2013.01); C25D 13/20 (2013.01); C23C 18/1637 (2013.01); C23C 18/54 (2013.01);
Abstract
A metal material is provided with a bismuth coating which enables the subsequent coating to be accomplished at a high throwing power, and has excellent corrosion resistance, coating adhesion and is able to be produced with reduced damage to the environment. The metal material has a surface and a bismuth-containing layer deposited on at least a part of the surface of the metal material, wherein the percentage of bismuth atoms in the number of atoms in the surface layer of the metal material with a bismuth coating is at least 10%.