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. 24, 1987
Filed:
Aug. 31, 1984
Applicant:
Inventor:
Philip Beckley, Gwent, GB;
Assignee:
British Steel Corporation, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
148112 ; 148121 ; 148111 ;
Abstract
The invention provides a method of treating grain oriented steel sheet or strip to refine domain spacing by subjecting the steel sheet or strip to electrical discharge to create a line of surface ablation and stress thereacross, together with apparatus for carrying out the method.