Patent · US Active

Press fabric for a machine for the production of web material and method to produce said press fabric

US7981820B2 · kind B2 · utility

2Cited by

4References

26Claims

0Family size

Assignee

Voith Patent GmbH · DE

Inventors

Arved Westerkamp · Neuffen, DE
Robert Crook · Wilson, US
Robert Eberhardt · Ellwangen, DE

Key dates

Filing date	Dec 19, 2008
Grant date	Jul 19, 2011
Priority date	—
Expiry date	Jun 16, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/2123
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A press fabric for a machine for the production of web material, especially paper or cardboard, includes a carrying structure and at least one layer of fibrous material on one web material contact side of the carrying structure, whereby at least some of the fibers of the at least one layer of fibrous material are coated at least partially with a film of a first polymeric material and whereby a permeable composite structure is formed by a second polymeric material in the at least one fibrous layer, in that the hollow spaces which are formed between fibers of the at least one fibrous layer are filled partially with the second polymeric material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.