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:
Apr. 26, 1994
Filed:
Dec. 13, 1991
Applicant:
Inventors:
Assignee:
Ugine, Aciers de Chatillon et Gueugnon, Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ; C22C / ; H01F / ;
U.S. Cl.
CPC ...
148308 ; 148309 ; 420103 ;
Abstract
Magnetic sheet metal obtained from hot-rolled strip steel containing, in particular, iron, silicon and aluminium and forming part of a family of sheet metals having orientated grains, characterized in that its composition is as follows: silicon less than 3.3%, aluminium between 1.5 and 8%, in concentration by weight, and in that the strip steel is subjected to cold-rolling in two steps with a final degree of reduction of between 50 and 80%, the magnetic sheet metal obtained having a general structure of the cubic type, at least 40% of the grains not deviating by more than 15.degree. from the ideal cubic orientation (100), 001 in the Miller notation.