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:
Dec. 28, 2010
Filed:
Aug. 05, 2003
Yoshitsugu Iijima, Kawasaki, JP;
Hiroshi Mizuno, Kawasaki, JP;
Hiroshi Sekine, Fukuyama, JP;
Noritsugu Suzuki, Kawasaki, JP;
Masatoshi Sugioka, Fukuyama, JP;
Yoshitsugu Iijima, Kawasaki, JP;
Hiroshi Mizuno, Kawasaki, JP;
Hiroshi Sekine, Fukuyama, JP;
Noritsugu Suzuki, Kawasaki, JP;
Masatoshi Sugioka, Fukuyama, JP;
JFE Steel Corporation, Tokyo, JP;
Abstract
The present invention provides a method of manufacturing a steel product, comprising the step of heat treating a steel product having been subjected to quenching or accelerated cooling on a hot rolling line after hot rolling to pass the steel product through a plurality of induction heating apparatuses, which are installed on the hot rolling line, three times or more. The method of the present invention makes it possible to uniformly heat treat the steel product with high productivity.