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:
Aug. 23, 1977
Filed:
Nov. 17, 1975
Applicant:
Inventors:
Satohiro Hayami, Yokohama, JA;
Jun Imamura, Yokohama, JA;
Hiroshi Hayakawa, Yokohama, JA;
Tadatzugu Yabuta, Yokohama, JA;
Assignee:
Nippon Steel Corporation, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ; H01F / ;
U.S. Cl.
CPC ...
7512 / ; 7512 / ; 148 / ; 148110 ; 148111 ;
Abstract
A silicon-containing high strength steel sheet having isotropic high ductility and toughness in all directions independently of the rolling direction comprising 0.03 to 0.15% C, 0.7 to 2.3% Si, 0.7 to 2.0% Mn with the balance being iron and unavoidable impurities, in which the ratio of Si/Mn is between 0.6 and 1.5 and the content of S is maintained in an amount as low as possible below that normally contained as an unavoidable impurity.
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Hayami, Satohiro. (1977). Isotropic and high-strength high silicon steel sheet (U.S. Patent No. 4043805). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4043805
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile