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. 17, 2012
Filed:
Sep. 03, 2008
Yoichi Makimizu, Tokyo, JP;
Sakae Fujita, Tokyo, JP;
Naoto Yoshimi, Tokyo, JP;
Masahiko Tada, Tokyo, JP;
Shinji Ootsuka, Tokyo, JP;
Hiroyuki Masuoka, Tokyo, JP;
Katsuya Hoshino, Tokyo, JP;
Hiroshi Kajiyama, Tokyo, JP;
Masayasu Nagoshi, Tokyo, JP;
Wataru Tanimoto, Tokyo, JP;
Kyoko Fujimoto, Tokyo, JP;
Yoichi Makimizu, Tokyo, JP;
Sakae Fujita, Tokyo, JP;
Naoto Yoshimi, Tokyo, JP;
Masahiko Tada, Tokyo, JP;
Shinji Ootsuka, Tokyo, JP;
Hiroyuki Masuoka, Tokyo, JP;
Katsuya Hoshino, Tokyo, JP;
Hiroshi Kajiyama, Tokyo, JP;
Masayasu Nagoshi, Tokyo, JP;
Wataru Tanimoto, Tokyo, JP;
Kyoko Fujimoto, Tokyo, JP;
JFE Steel Corporation, , JP;
Abstract
A zinc-based metal plated steel sheet is excellent in tribological properties during press forming. An oxide layer containing crystalline 3Zn(OH)·ZnSO·xHO is formed on a plated surface. The oxide layer has a thickness of 10 nm or more. The crystalline oxide layer is composed of 3Zn(OH)·ZnSO·3-5HO.