Patent · US Active

Paper machine clothing, method for producing same, and nonwoven fabric

US11208764B2 · kind B2 · utility

0Cited by

0References

19Claims

0Family size

Assignee

Voith Patent GmbH · DE

Inventors

Robert Eberhardt · Ellwangen, DE
Susanne Klaschka · Cologne, DE
Hubert Walkenhaus · Kerpen, DE

Key dates

Filing date	Sep 13, 2018
Grant date	Dec 28, 2021
Priority date	—
Expiry date	Sep 13, 2038

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21F7/10
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A clothing for a machine for producing a fibrous web, especially a paper, cardboard, tissue or cellulose pulp web. The clothing has a basic structure with a top side and a running side as well as a nonwoven support at least on one side. The nonwoven support has a functional zone, which extends over more than 50 μm in the thickness direction of the clothing and which includes a first portion and a second portion of nonwoven fibers. The nonwoven fibers of the first portion are formed of, or include, a polyurethane, especially a thermoplastic polyurethane, while the nonwoven fibers of the second portion are a polymer material not including a polyurethane. The first portion makes up between 10 wt. % and 60 wt. %, of the functional zone. There is also described a method for production and a suitable nonwoven fabric.

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