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. 19, 2003
Filed:
Mar. 02, 2001
Applicant:
Inventors:
Assignee:
Voith Paper Patent GmbH, Heidenheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B30B 1/516 ; B30B 3/04 ;
U.S. Cl.
CPC ...
B30B 1/516 ; B30B 3/04 ;
Abstract
Calender that includes a stand, an upper roll, a lower roll, and at least two center rolls arranged between the upper and the lower rolls. The calender also includes at least two cylinders, where the at least two center rolls are supported on the stand by the at least two cylinders. Each of the at least two cylinders include a discharge path that is controlled over more than ¾ of a piston stroke for lowering the at least two center rolls.