Patent · US Expired

Device for drying a material web with heated and cooled cylinders

US5799409A · kind A · utility

9Cited by

6References

35Claims

0Family size

Assignee

Voith Sulzer Papiermaschinen GmbH · DE

Inventors

Tri Chau-Huu · Heidenheim, DE
Albrecht Meinecke · Heidenheim, DE
Markus Oechsle · Heubach, DE

Key dates

Filing date	May 14, 1997
Grant date	Sep 1, 1998
Priority date	—
Expiry date	May 14, 2017

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21F5/042
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Device for producing a material web in a dryer part that includes at least one dryer section having a plurality of cylinders including heated cylinders and cooled cylinders. The device may also include a porous dryer screen and a metal belt that may be guided with the material web in a meandering path alternatingly around the heated and cooled cylinders. At least one of the metal belt and the dryer screen being highly prestressed and the device may also include at least one of a heating installation and a cooling installation assigned to act on an area of a circumference of the plurality of cylinders in which the material web may be supported by the dryer screen and the metal belt.

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