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:
Jul. 27, 1999
Filed:
May. 23, 1997
Applicant:
Inventors:
Toru Minote, Fukuyama, JP;
Shozo Azuma, Tokyo, JP;
Sadakazu Masuda, Fukuyama, JP;
Masaaki Yamamoto, Fukuyama, JP;
Hisatomo Eda, Fukuyama, JP;
Takumasa Terauchi, Fukuyama, JP;
Masaru Miyake, Fukuyama, JP;
Yoshimichi Hino, Fukuyama, JP;
Hiroshi Sekine, Fukuyama, JP;
Assignee:
NKK Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21B / ;
U.S. Cl.
CPC ...
72 113 ; 72 122 ; 72161 ; 72202 ; 72250 ; 723652 ; 7234296 ;
Abstract
Making method of hot-rolled steel sheet comprises rough rolling a slab into a rough bar, heating the rough bar, guiding the rough bar with side guides and finish rolling the rough bar. The apparatus comprises a rough rolling mill, a heating device for heating the rough bar, side guides for guiding the rough bar and a finish rolling mill.