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:
Jun. 23, 2015

Filed:

Oct. 07, 2009
Applicants:

Yoshihiro Serizawa, Tokyo, JP;

Shigeru Ogawa, Tokyo, JP;

Yoji Nakamura, Tokyo, JP;

Tooru Akashi, Tokyo, JP;

Noriyuki Hishinuma, Tokyo, JP;

Tetsuo Kishimoto, Tokyo, JP;

Inventors:

Yoshihiro Serizawa, Tokyo, JP;

Shigeru Ogawa, Tokyo, JP;

Yoji Nakamura, Tokyo, JP;

Tooru Akashi, Tokyo, JP;

Noriyuki Hishinuma, Tokyo, JP;

Tetsuo Kishimoto, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B 45/02 (2006.01); B21B 39/00 (2006.01);
U.S. Cl.
CPC ...
B21B 45/0218 (2013.01); B21B 39/006 (2013.01); B21B 2261/20 (2013.01); B21B 2265/02 (2013.01);
Abstract

A cooling apparatus for hot rolling is installed on a downstream side of a finishing mill of a continuous hot rolling mill, and cools a steel sheet rolled by the finishing mill while being conveyed. The cooling apparatus includes first pinch rolls which, during an interval when the steel sheet fed out from a final stand of the finishing mill moves from a position of the final stand to a position where a surface temperature of the steel sheet reaches 850° C. or less, pinch the steel sheet while applying tension of 3.9 MPa or greater.


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