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. 11, 2007
Filed:
Oct. 15, 2004
Applicant:
Kari Hyvönen, Tampere, FI;
Inventor:
Kari Hyvönen, Tampere, FI;
Assignee:
Tamfelt Oyj ABP, Tampere, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 7/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of manufacturing a press felt, a press section, and a press felt. The press felt comprises a base structure (), a batt fibre layer () being attached to a first, web-side surface (B) of the base structure. Further, the structure of the press felt is compacted by treating it with a polymer material at least on the side of the first felt surface (B). After the polymer treatment, the surface of the felt is ground smooth.