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:
Dec. 04, 1990
Filed:
Apr. 03, 1990
Applicant:
Inventors:
Kinzo Murayama, Joetsu, JP;
Yoshiro Terasawa, Joetsu, JP;
Assignee:
Nippon Stainless Steel Kozai Co., Ltd., Niigata, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
204216 ;
Abstract
A drum is rotatably immersed as a cathode in an electrolytic solution with an anode placed therein. When a current flow from the anode through the solution to the drum, a metal foil is deposited on the drum as it rotates. The drum includes an electric insulating layer disposed between the outer circumferential surface of an inner drum body and the inner circumferential surface of an outer skin, and an electrically conductive member attached to the outer skin and disposed on one axial end of the inner drum body.