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:
Sep. 15, 2015
Filed:
Apr. 04, 2012
Takehiro Takahashi, Tokyo, JP;
Ikuo Kikuchi, Tokyo, JP;
Kenichiroh Matsumura, Tokyo, JP;
NIPPON STEEL & SUMITOMO METAL CORPORATION, Tokyo, JP;
Abstract
A Ni-containing-surface-treated steel sheet for a can, which is formed by stamping, includes a steel sheet having a first surface which becomes an outer surface of the can after the stamping; a Ni containing layer arranged on the first surface of the steel sheet; and a Ni—W alloy plating layer arranged on the Ni containing layer. The Ni containing layer includes a Fe—Ni diffusion alloy layer; a Ni content included in the Ni containing layer is from 5 g/mto 89 g/m; a thickness of the Ni—W alloy plating layer is from 0.02 μm to 2 μm; and a W concentration in the Ni—W alloy plating layer is from 10% to 65% by mass %.