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. 09, 2006
Filed:
Jul. 28, 2003
Applicants:
Kyoko Hamahara, Tokyo, JP;
Hisatada Nakakoji, Tokyo, JP;
Chiaki Kato, Tokyo, JP;
Nobuhiko Uesugi, Tokyo, JP;
Kazumasa Yoshida, Tokyo, JP;
Katsuhiro Takebayashi, Tokyo, JP;
Inventors:
Kyoko Hamahara, Tokyo, JP;
Hisatada Nakakoji, Tokyo, JP;
Chiaki Kato, Tokyo, JP;
Nobuhiko Uesugi, Tokyo, JP;
Kazumasa Yoshida, Tokyo, JP;
Katsuhiro Takebayashi, Tokyo, JP;
Assignee:
JFE Steel Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/04 (2006.01); B32B 15/08 (2006.01); B32B 15/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coated steel sheet composed of a steel sheet and at least two types of coating layers formed thereon is provided with an electrodeposition painting having a superior appearance. The coated steel sheet has an arithmetic mean roughness Ra, which is defined by JIS B 0601-, of from about 0.7 to about 1.5 μm and a peak per inch PPI of from about 180 to about 250.