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:
Dec. 04, 2018
Filed:
Mar. 22, 2013
Applicant:
Voith Patent Gmbh, Heidenheim, DE;
Inventors:
Assignee:
Voith Patent GmbH, Heidenheim, DE;
Primary Examiner:
Int. Cl.
CPC ...
D21G 1/02 (2006.01); D21F 3/08 (2006.01);
U.S. Cl.
CPC ...
D21G 1/0246 (2013.01); D21F 3/08 (2013.01); D21G 1/0233 (2013.01);
Abstract
A roll cover is particular suited for use in an apparatus for producing or surface finishing a fibrous web, such as a web of paper or of cardboard. The roll cover is formed on a roll core of metal or of a fiber-reinforced plastic and includes a matrix system wherein fillers are provided. The fillers provided are three or more in number and they have different median particle sizes.