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. 05, 1996
Filed:
Apr. 27, 1993
Kenichi Sasaki, Tokyo, JP;
Toshiyuki Okuma, Tokyo, JP;
Masaaki Yamashita, Tokyo, JP;
Toyofumi Watanabe, Tokyo, JP;
NKK Corporation, Tokyo, JP;
Abstract
A zinc-plated steel sheet having a resin coating film formed on the surface is obtained by forming a chromate treating layer on the surface of a base steel sheet plated with zinc or a zinc alloy, said chromate treating layer being deposited in an amount of 1 to 200 mg/m.sup.2 in terms of metal chromium, followed by forming a resin coating film on the chromate treating layer in a thickness of 0.1 to 5 .mu.m, said resin coating film being based on a composite resin material including a resin composition and at most 50% by weight of silica, said resin composition containing an ethylene-based ionomer resin and a silane compound having in the molecule a single silicon atom and 2 to 4 silyl ether bonds and/or its condensate.