Patent · US Expired

Device and method for draining a web

US6261416A · kind A · utility

2Cited by

5References

27Claims

0Family size

Assignee

Voith Sulzer Papiermaschinen GmbH · DE

Inventors

Klaus Esslinger · Nattheim, DE
Gerhard Kotitschke · Steinheim, DE
Wolfgang Mayer · Chieming, DE
Andreas Meschenmoser · Ravensburg, DE
Gunther Mohrhardt · Encantado, BR

Key dates

Filing date	Dec 22, 1997
Grant date	Jul 17, 2001
Priority date	—
Expiry date	Dec 22, 2017

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21F2/00
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Device and method for draining a web in a paper production machine. The device may include a press section having at least one press nip for draining and smoothing the web. The at least one press nip may be arranged to smooth one surface of the web more than its opposite surface and the device may also include a roughening device that roughens the one surface of the web. The method may include guiding the web through a press section of the paper production machine to drain and smooth the web in which the press section include at least one nip, smoothing one surface of the web more than its opposite surface in the at least one nip, and roughening the one surface.

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