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. 01, 1978
Filed:
Aug. 04, 1975
Kawasaki Steel Corporation, Kobe, JP;
Abstract
A method of producing a highly corrosion resistant tin-plated steel sheet is disclosed by which a metal or alloy coating having a thickness from 0.005.mu. to 0.5.mu. and selected from the class consisting of Ni, Cu and Ni-Sn alloy is plated upon a steel sheet. The thus plated steel sheet is heated in a non-oxidizing atmosphere to such an extent that said plated coating is penetrated and diffused into the steel sheet whereby a reformed steel sheet surface where said plating coating is disappeared is secured. A tin coating is then plated upon said reformed steel sheet surface. This reformed steel sheet surface is sandwiched between the plating tin coating and the steel sheet and contributes greatly to corrosion resistant property of the tin-plated steel sheet.