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. 18, 1982
Filed:
Dec. 05, 1980
Applicant:
Inventor:
Takashi Nagano, Kitakyusyushi, JP;
Assignee:
Nippon Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
148111 ; 148112 ; 148 3155 ;
Abstract
A method for heating in a pusher-type furnace a continuously cast steel slab for production of a high magnetic flux density, grain-oriented silicon steel sheet, which comprises holding the portion of the slab having the lowest temperature during the heating at 1300.degree. C. or higher for 30 minutes or longer, so that the final temperature of that portion reaches 1330.degree. C. or higher.