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:
May. 05, 1981
Filed:
Dec. 29, 1978
Applicant:
Inventors:
Noboru Tsuya, Sendai, JP;
Kenichi Arai, Sendai, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
148112 ; 148 3155 ; 164423 ; 335125 ; 335297 ;
Abstract
A high silicon steel strip having excellent magnetic properties and good workability, and having a composition consisting of 4-10% by weight of silicon and the remainder being substantially iron and incidental impurities is produced by cooling super rapidly the high silicon steel melt on a cooling substrate to form a thin strip having micro-structure comprising very fine crystal grains having substantially no ordered lattice.