Patent · US Active

Device and method for drying fibrous material

US9506692B2 · kind B2 · utility

0Cited by

3References

6Claims

0Family size

Assignee

ANDRITZ INC. · US

Inventors

Franz Petschauer · Lannach, AT
Stefan-Heinrich Hansen · Waldkirch, DE
Klaus Poeschl · Graz, AT

Key dates

Filing date	Oct 13, 2011
Grant date	Nov 29, 2016
Priority date	—
Expiry date	Aug 13, 2033

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21F9/003
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A method for dewatering a fibrous material web, wherein fibrous material is applied via a headbox on at least one wire and is subsequently dewatered in order to form a fibrous material web. Following the wire section, the resulting fibrous material web is dewatered by several presses, wherein the first press through which the fibrous material web is guided following the headbox is equipped with a double nip. The first press is formed by a wire roll and two couch rolls which are each pressed against the wire roll for forming a nip. Also disclosed is a corresponding device for carrying out the method.

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