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. 03, 2001
Filed:
Feb. 24, 2000
Applicant:
Inventors:
Tomoyasu Sakurai, Kurashiki, JP;
Takao Ogawa, Kurashiki, JP;
Assignee:
Kawasaki Steel Corporation, Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B 3/908 ;
U.S. Cl.
CPC ...
B21B 3/908 ;
Abstract
A high-speed rolling apparatus for bars includes a finishing mill and an associated first mill motor and a sizing mill and an associated second mill motor downstream of the finishing mill. The first mill motor power (Wf) and second mill motor power (Ws) satisfy the expression: Wf/Ws≧5. The apparatus provides simple and highly accurate control of the tension that is applied to the bars between the finishing mill and the sizing mill.