Patent · US Expired

Process for monitoring web breaks

US6615511B2 · kind B2 · utility

6Cited by

12References

33Claims

0Family size

Assignee

Voith Paper Patent GmbH · DE

Inventors

Thomas Augscheller · Giengen an der Brenz, DE
Roland Mayer · Heidenheim, DE

Key dates

Filing date	Aug 10, 2001
Grant date	Sep 9, 2003
Priority date	—
Expiry date	Aug 15, 2021

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21F7/04
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Process and apparatus for monitoring web breaks in a machine for producing a material web includes at least one impingement dryer. The process includes guiding the material web through the at least one impingement dryer, and monitoring the material web for web breaks in at least one of a region, viewed in a web travel direction, before an intake into the at least one impingement dryer, after an exit from the at least one impingement dryer and within the at least one impingement dryer. The process further includes at least partially deactivating the at least one impingement dryer when a web break is detected.

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