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:
Mar. 13, 1990
Filed:
Jul. 10, 1989
Applicant:
Inventors:
Assignee:
Toyo Kohan Co., Ltd., Chiyoda, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C25D / ; C25D / ;
U.S. Cl.
CPC ...
428679 ; 204 371 ; 204 447 ; 4273839 ;
Abstract
An anti-scratch nickel plated steel sheet and strip is provided which comprises, applying a nickel plating to both sides of the sheet or strip, subsequently plating a nickel phosphorus alloy on at least one or the other side of said plated layer, then subjecting said plated article to a heat treatment under conditions sufficient to form a nickel ferrous alloy layer and to obtain a hardening effect of said nickel phosphorus alloy plated layer.