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:
Oct. 31, 1978
Filed:
Nov. 02, 1977
Applicant:
Inventors:
David C Brewer, Miamisburg, OH (US);
James D Evans, Middletown, OH (US);
Dale M Kohler, Middletown, OH (US);
Michael H Haselkorn, Franklin, OH (US);
Assignee:
Armco Steel Corporation, Middletown, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25F / ; C25F / ; C25F / ;
U.S. Cl.
CPC ...
2041293 ; 20412935 ;
Abstract
A method of improving the surface insulation resistance of electrical steels having an insulative coating thereon by subjecting the electrical steels to electrochemical treatment as part of the routing thereof, to remove small metallic nodules, particles and the like extending through or protruding above the insulative coating. Following the electrochemical treatment, the electrical steels are rinsed and dried.