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. 22, 2011
Filed:
Feb. 13, 2008
Applicant:
Lauri Palmu, Helsinki, FI;
Inventor:
Lauri Palmu, Helsinki, FI;
Assignee:
Outotec Oyj, Espoo, FI;
Primary Examiner:
Int. Cl.
CPC ...
C25D 3/38 (2006.01); B21B 1/22 (2006.01); B21B 1/28 (2006.01); B22D 11/126 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of manufacturing a cathode plate () that is used in the electrolytic cleaning and recovery of metals, the cathode plate being at least partly manufactured of stainless steel and the surface of the cathode plate being treated in at least one stage, whereby the cathode plate is formed by cutting it from a solid plate-like material (), whereby, essentially before cutting () the cathode plate to shape, at least part of the surface constituting the cathode plate is subjected to a mechanical treatment () to improve the adhesion properties of the surface. The invention also relates to the cathode plate.