Patent · US Expired

Method and device for calendering a paper web

US7655114B2 · kind B2 · utility

0Cited by

8References

24Claims

0Family size

Assignee

Voith Paper Patent GmbH · DE

Inventors

Josef Kohnen · Tönisvorst, DE
Dirk Cramer · Duisburg, DE

Key dates

Filing date	Apr 22, 2005
Grant date	Feb 2, 2010
Priority date	—
Expiry date	Dec 13, 2025

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21G1/00
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The present invention shows a process and device of calendering a web. The process includes drying the web and winding the web at the end of a production section. The process includes transporting the wound web to at least one off-line calender, unwinding the web and passing the web through the at least one off-line calender. Further, the process includes treating the web between drying and winding of the web in at least one on-line calendering unit. Further still, the process includes at least one on-line calendering unit includes at least one nip defined by at least one hard roller. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

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