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:
Nov. 28, 1978
Filed:
Sep. 27, 1976
Applicant:
Inventors:
Nazzareno Azzerri, Rome, IT;
Alberto Tamba, Rome, IT;
Assignee:
Centro Sperimentale Metallurgico S.p.A., Rome, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
204 29 ; 204 34 ;
Abstract
The susceptibility of steel to electroplating is improved, by an electrolytic pretreatment of the steel part. The steel part is connected alternately as cathode and anode in an electrolytic cell containing an electrolytic bath which is an aqueous solution of sodium sulphate of a concentration from 0.5 M to 2.5 M and a pH of 6 to 8, at a temperature of 20.degree. to 100.degree. C. and a direct current density of 1 to 60 A/dm.sup.2.