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:
Mar. 13, 2001
Filed:
Apr. 05, 1999
Applicant:
Inventor:
Franz Kayser, Geldern, DE;
Assignee:
Voith Sulzer Papiertechnik Patent GmbH, Heidenheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B30B 3/04 ; D21G 1/00 ;
U.S. Cl.
CPC ...
B30B 3/04 ; D21G 1/00 ;
Abstract
A roll machine is provided. A plurality of rolls are disposed in a stack to define a plurality of nips therebetween adapted to treat a material web. At least two of the plurality of rolls are driven rolls. A drive control commonly controls the driven rolls. The drive control varies a driving torque distribution of the driven rolls over time. A method for operating the above roll machine is also provided, where the method includes changing a driving torque distribution of said driven rolls.