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:
Jan. 13, 1976
Filed:
Sep. 19, 1974
Applicant:
Inventors:
Toshio Irie, Kobe, JA;
Yasuo Yokoyama, Ashiya, JA;
Yoshihiko Kameishi, Ashiya, JA;
Katsuo Yamaguchi, Takarazuka, JA;
Kazuo Hamachi, Nishinomiya, JA;
Assignee:
Kawasaki Steel Corporation, Kobe, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
148113 ; 148 315 ; 427126 ; 148112 ;
Abstract
A highly adhesive and uniform insulating glass film can be formed on surfaces of an oriented silicon steel sheet by pickling a finally cold rolled silicon steel strip just before a decarburizing annealing, and successively subjecting the pickled steel strip to the decarburizing annealing, an application of an annealing separator and a final annealing at a high temperature.