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.

Date of Patent:
Mar. 22, 2016

Filed:

Jan. 24, 2013
Applicant:

Voith Patent Gmbh, Heidenheim, DE;

Inventors:

Peter Putschoegl, Wimpassing, AT;

Stephan Ully, Graz, AT;

Assignee:

Voith Patent GmbH, Heidenheim, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21F 3/08 (2006.01); D21H 23/58 (2006.01); D21G 1/02 (2006.01); D21F 5/00 (2006.01);
U.S. Cl.
CPC ...
D21F 3/08 (2013.01); D21F 5/00 (2013.01); D21G 1/0233 (2013.01); D21G 1/0246 (2013.01); D21H 23/58 (2013.01);
Abstract

A roll covering is particularly suitable for a roll for the treatment of a paper web, paperboard web, or any other web of fibrous material in a machine for the production and/or finishing the same. The roll covering encompasses at least one layer. The at least one layer is formed of a rubber composition that includes at least one (meth)acrylate compound and a rubber component with at least one crosslinked hydrogenated nitrile rubber. Further, the at least one layer has a recovery rate of at least 12 mm per second and/or a maximal degree of plastic deformation of 0.9%, and a maximal tan δ value of 0.16 determined in accordance with DIN 53513 at 60° C. in tension at 10 Hz, 15% static elongation, and 1% dynamic elongation.


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