Patent · US Expired

Process and device for drying of a material web

US6916405B2 · kind B2 · utility

0Cited by

10References

27Claims

0Family size

Assignee

Voith Sulzer Papiertechnik Patent GmbH · DE

Inventors

Robert Wolf · Woodbury, US
Markus Oechsle · Heubach, DE
Wolfgang Mayer · Chieming, DE
Thomas Mack · Sontheim, DE
Roland Mayer · Heidenheim, DE

Key dates

Filing date	Sep 30, 2002
Grant date	Jul 12, 2005
Priority date	—
Expiry date	Sep 30, 2022

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21F5/04
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Process and apparatus for drying a material web. The process includes guiding the material web to at least one heated area having a jacket surface of a cylinder having a diameter of between about 4-10 meters, setting the material web, having a dry content of between about 45-55%, onto the at least one heated area, maintaining the material web in uninterrupted contact with the at least one heated area at least until the material web achieves a firmness sufficient for detaching the material web from the heated area, and detaching the material web from the at least one heated area with a dry content of between about 55%-65%.

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