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. 04, 1989
Filed:
Apr. 08, 1988
Applicant:
Inventors:
Hiroaki Kuwano, Yokohama, JP;
Takao Kawanami, Kitakyushu, JP;
Ken Okudaira, Kitakyushu, JP;
Akihiro Tanaka, Hachioji, JP;
Assignees:
Ishikawajima-Harima Jukogyo Kabushiki Kaishe, all of, JP;
Nippon Steel Corporation, all of, JP;
Kabushiki Kaisha Toshiba, all of, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21B / ; B21B / ; B21B / ;
U.S. Cl.
CPC ...
72 16 ; 72 11 ; 72 20 ; 72 21 ; 72 37 ; 72232 ; 72243 ; 72245 ;
Abstract
A multi-pass rolling method and a multi-pass rolling-mill stand best adapted to carry out said multi-pass rolling method. In a rolling-mill stand having three or more work rolls arranged one above the other, a workpiece is simultaneously rolled at two or more points by at least one of the work rolls.