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:
Jun. 07, 2005
Filed:
Jul. 11, 2002
Applicants:
Rolf Van Haag, Kerken, DE;
Eva Scheidler, Nattheim, DE;
Robert Wolf, Herbrechtingen, DE;
Inventors:
Assignee:
Voith Paper Patent GmbH, Heidenheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C043/24 ; B29C043/58 ; B30B003/04 ;
U.S. Cl.
CPC ...
Abstract
Process for operating a calender having a roll stack formed by a plurality of rolls resting against one another in a press direction along a stack plane, at least one of the rolls including an elastic surface. The process includes determining whether a barring pattern has occurred on at least one of the rolls, determining a wavelength of the barring pattern, and displacing at least one of the rolls based upon the wavelength.