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:
May. 24, 2005
Filed:
Jul. 11, 2002
Applicants:
Mikio Yamamoto, Hiroshima, JP;
Toshihiro Usugi, Hiroshima, JP;
Keizou Takemura, Hiroshima, JP;
Akira Kaya, Hiroshima, JP;
Inventors:
Mikio Yamamoto, Hiroshima, JP;
Toshihiro Usugi, Hiroshima, JP;
Keizou Takemura, Hiroshima, JP;
Akira Kaya, Hiroshima, JP;
Assignee:
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B031/18 ;
U.S. Cl.
CPC ...
Abstract
A screw down cylinder, an upper backup roll chock, and an upper work roll chock are pressed against an upper crosshead by hydraulic cylinders, and an upper roll cross mechanism is actuated, whereby the upper backup roll chock (upper backup roll), the upper work roll chock (upper work roll), and the screw down device (screw down cylinders) can be synchronously moved in the same direction via the upper crosshead.