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:
Oct. 25, 2022
Filed:
Feb. 20, 2017
Applicant:
Primetals Technologies Japan, Ltd., Hiroshima, JP;
Inventors:
Assignee:
PRIMETALS TECHNOLOGIES JAPAN, LTD., Hiroshima, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 1/00 (2006.01); B21C 51/00 (2006.01); B65H 23/34 (2006.01);
U.S. Cl.
CPC ...
B21D 1/00 (2013.01); B21C 51/00 (2013.01); B65H 23/34 (2013.01);
Abstract
A crossbow correction devicefor correcting crossbow of a steel strip S by a magnetic force during conveyance includes a plurality of electromagnetstotoarranged in a strip width direction of the steel strip S and facing each other so as to sandwich the steel strip S in a strip thickness direction, a moving mechanismtotocapable of moving the electromagnetstotorelative to the steel strip S, and a controllerconfigured to operate the moving mechanismtoto, based on a current value flowing through the electromagnetstoto