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. 21, 2018
Filed:
Feb. 27, 2014
Nippon Steel & Sumikin Coated Sheet Corporation, Tokyo, JP;
Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;
Nihon Parkerizing Co., Ltd., Tokyo, JP;
Nobuki Shiragaki, Hyogo, JP;
Tomokazu Sugitani, Osaka, JP;
Hiroyuki Oyokawa, Chiba, JP;
Satoru Yonetani, Osaka, JP;
Hiroshi Kanai, Singapore, SG;
Nobuyuki Shimoda, Tokyo, JP;
Ichiro Oura, Tokyo, JP;
Hitoshi Kikuchi, Tokyo, JP;
NIPPON STEEL & SUMIKIN COATED SHEET CORPORATION, Tokyo, JP;
NIPPON STEEL & SUMITOMO METAL CORPORATION, Tokyo, JP;
NIHON PARKERIZING CO., LTD., Tokyo, JP;
Abstract
The aluminum-zinc plated steel sheet according to the present invention includes a plated steel sheet and a covering film that covers the plated steel sheet. The covering film contains a basic compound of transition metal other than cobalt and chromium, and metallic cobalt, or metallic cobalt and a cobalt compound. An amount of the covering film per one side is within a range of 0.01 to 0.8 g/m. An amount in terms of mass of transition metal other than cobalt in the covering film per one side of the plated steel sheet is within a range of 4 to 400 mg/m. An amount in terms of mass of cobalt in the covering film per one side of the plated steel sheet is within a range of 0.1 to 20 mg/m.