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. 09, 1986
Filed:
Nov. 28, 1983
Applicant:
Inventors:
Takehiko Ito, Tokyo, JP;
Taisuke Irie, Osaka, JP;
Yoshitaka Nakagawa, Osaka, JP;
Koichi Watanabe, Hyogo, JP;
Assignee:
Nisshin Steel Company, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ; C25D / ; C25D / ;
U.S. Cl.
CPC ...
428659 ; 204 27 ; 204 371 ; 204 442 ; 420513 ; 420514 ;
Abstract
Zn-Ni-alloy electroplating of steel sheets is carried out using a plating bath containing 10-40 g/l zinc, 15-160 g/l nickel, 0.1-5 g/l cobalt and 0.2-10 g/l titanium and 0.1-5 g/l aluminum or 0.1-5 g/l magnesium existing in the form of salts, the pH of which is 1.5-2.5. The obtained plated product exhibits improved excellent corrosion resistance and corrosion peeling resistance. The product can be subjected to heating to 60.degree.-200.degree. C., preferably in hot water, steam, or atomized water mist. This treatment further increases corrosion resistance.