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. 21, 1989
Filed:
Jun. 22, 1988
Applicant:
Inventors:
Nobukazu Suzuki, Ibaraki, JP;
Tadashi Nonaka, Wakayama, JP;
Assignee:
Sumitomo Metal Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ; C25D / ;
U.S. Cl.
CPC ...
204 28 ; 204293 ;
Abstract
A Pb alloy insoluble anode and continuous electroplating of zinc using the same are disclosed, in which the Pb alloy consists essentially of 0.5-13 weight % of In or 0.5-13 weight % of In and 0.5-10 weight % of Ag and a balance of Pb with incidental impurities in which the amount of Sn is restricted to not more than 0.005% is used as an insoluble anode, and plating is carried out with a current density of at least 50 A/dm.sup.2 and a plating solution flow velocity of at least 0.6 m/sec.