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:
Aug. 16, 2022
Filed:
Jan. 24, 2020
Applicant:
Primetals Technologies Germany Gmbh, Erlangen, DE;
Inventor:
Johannes Dagner, Erlangen, DE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21B 37/62 (2006.01); B21B 1/26 (2006.01);
U.S. Cl.
CPC ...
B21B 37/62 (2013.01); B21B 1/26 (2013.01);
Abstract
Methods and apparatus for locally changing a roll gap in the region of the strip edges () of a rolled strip () in a rolling stand (). The roll gap can be changed locally in the region of the strip edges () of the strip () during the hot rolling. Axial displacement of the working rollers () in opposite directions is by a displacement distance s, where s is greater than or less than Δr/tan(α) and Δr indicates the wear of the running surface () in the radial direction (R) and α indicates the pitch angle of the conical portion () of the respective working roller ().