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. 01, 1992
Filed:
Jul. 01, 1991
Applicant:
Inventors:
Francis E Wise, Medina, OH (US);
Philip D Coleman, Columbia, TN (US);
Assignee:
UCAR Carbon Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ;
U.S. Cl.
CPC ...
427 451 ; 427113 ; 4273741 ;
Abstract
A process for treating an electrode to form a protective coating comprising applying a precursor of an impregnate material to the surface, controlling the depth of penetration, induction heating the surface under controlled conditions of power, frequency and relative velocity to bring the surface to the treat temperature and quench cooling the surface.