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.

Date of Patent:
Apr. 16, 2002

Filed:

Oct. 09, 1999
Applicant:
Inventors:

Shigeru Isoyama, Chiba, JP;

Takeshi Hirabayashi, Chiba, JP;

Hideyuki Nikaido, Chiba, JP;

Hirosuke Yamada, Chiba, JP;

Nozomu Tamura, Chiba, JP;

Toshiaki Amagasa, Chiba, JP;

Toshisada Takechi, Chiba, JP;

Katsuhiro Takebayashi, Chiba, JP;

Kanji Hayashi, Hiroshima, JP;

Kunio Miyamoto, Hiroshima, JP;

Akio Kuroda, Hiroshima, JP;

Kazunori Nagai, Hiroshima, JP;

Yoshiki Mito, Hiroshima, JP;

Kazuo Morimoto, Hiroshima, JP;

Kazuya Tsurusaki, Hiroshima, JP;

Kiyoshi Izumi, Hiroshima, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 1/102 ;
U.S. Cl.
CPC ...
B23K 1/102 ;
Abstract

A continuous hot rolling mill with a metal block conveying apparatus and a metal block joining apparatus which moves with the metal blocks along the metal block conveying apparatus to conform a joining operation. The metal block conveying apparatus uses rollers supported by cylinders with a common hydraulic circuit which allows the cylinders to follow guide rails on the metal block joining apparatus and lower out of the path of the metal block joining apparatus and then return to a metal block support position after the metal block joining apparatus' passage without individual control circuits and valves for each of the cylinders.


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