Patent · US Expired

Press section

US6863776B2 · kind B2 · utility

2Cited by

7References

40Claims

0Family size

Assignee

Voith Paper Patent GmbH · DE

Inventors

Ulrich Begemann · Leonberg, DE
Ingolf Cedra · Heidenheim, DE
Thomas Augscheller · Giengen an der Brenz, DE
Georg Kleiser · Schwäbisch Gmünd, DE

Key dates

Filing date	Sep 20, 2002
Grant date	Mar 8, 2005
Priority date	—
Expiry date	Mar 6, 2023

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21F3/04
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Press section and process for dewatering a fibrous material web that includes a plurality of rolls arranged to form at least three nips and at least one endlessly circulating dewatering belt associated with each nip. Each at least one endlessly circulating dewatering belt is structured and arranged to guide the fibrous material web through its respective nip and to receive water squeezed out of the fibrous material web in the respective nip. The plurality of rolls include at least one press roll having a smooth surface arranged to contact a surface of the fibrous material web and an endlessly circulating, smooth transfer belt is structured and arranged to contact a surface of the fibrous material web opposite the surface contacting the smooth surface of the at least one press roll and to support the fibrous material web through at least one of the at least three nips.

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