Patent · US Active

Seamed felt and use of the seamed felt in a tissue machine

US12060681B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

Voith Patent GmbH · DE

Inventors

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

Key dates

Filing date	Mar 12, 2020
Grant date	Aug 13, 2024
Priority date	—
Expiry date	Jul 4, 2040

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21F11/14
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A seamed felt for use in a machine for producing a tissue web has a single-layer or multilayer base structure and at least one layer of non-woven fibers. The base structure has a textile structure with MD threads which form seam loops at the two front edges of the base structure. The fabric can be made endless by connecting its front edges by way of a seam. The seam can be formed by interlocking the seam loops of the two front edges and introducing a push-in element. The MD threads wholly or predominantly have a diameter between 0.25 mm and 0.45 mm, in particular between 0.3 mm and 0.35 mm, and the thread density of the MD threads is more than 37%, in particular between 37% and 45%. There is also described a corresponding machine and a method for producing a tissue web.

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