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:
Aug. 26, 2003
Filed:
Sep. 26, 2002
Toshihiko Ooi, Tokyo, JP;
Takafumi Yamaji, Kawasaki, JP;
Keiji Yoshida, Yokohama, JP;
Yuichiro Tanaka, Fukuyama, JP;
Junichi Inagaki, Fukuyama, JP;
Masaaki Yamashita, Fukuyama, JP;
Yasuhiro Majima, Yokohama, JP;
Nobuyuki Ishida, Yokohama, JP;
Yuichi Fukushima, Kawasaki, JP;
Norio Inoue, Kawasaki, JP;
Shinji Hori, Yokohama, JP;
NKK Corporation, Tokyo, JP;
Abstract
The method for manufacturing coated steel sheet has the steps of: immersing a steel sheet in a hot-dip coating bath to form an Al—Zn base coating layer containing 20 to 95 mass % Al on the steel sheet, forming a passivated layer on the coating layer; and applying thermal history to the coating layer. The thermal history is applied immediately after the steel sheet left the hot-dip coating bath or in a temperature range of from T(° C.) between 130° C. and 300° C. to 100° C.