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:
Apr. 07, 2009
Filed:
Nov. 17, 2004
Applicants:
Silvano Freti, St. Prex, CH;
Lothar Burchardt, Valeyres-sous-Rances, CH;
Günter Bellmann, Commugny, CH;
Inventors:
Silvano Freti, St. Prex, CH;
Lothar Burchardt, Valeyres-sous-Rances, CH;
Günter Bellmann, Commugny, CH;
Assignee:
BTG Eclepens, S.A., Eclepens, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 1/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
A material for dewatering elements at the wet end of a paper-making machine is disclosed. The material comprises an elastomeric polymer matrix, and a filler added to the matrix at a level of 10 to 50 percent by weight, and the material has a hardness according to Shore A between 60 and 85. The invention also relates to a dewatering element comprising such material, and to the use of such material for the preparation of a dewatering element.