Method and apparatus for regulating web tension in a web-fed rotary offset printing press

US5996492A · kind A · utility

Assignee

• Heidelberger Druckmaschinen AG · DE

Inventors

• Manfred Jurkewitz · Wiesloch, DE
• Ulrich Kot · Heidelberg, DE

Key dates

• Filing date: Mar 26, 1998
• Grant date: Dec 7, 1999
• Expiry date: Mar 26, 2018

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B41F13/02
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

A method for regulating web tension in a web-fed rotary offset printing press includes increasing web tension over a predetermined speed range, substantially linearly with web speed, as the printing press runs up to operating speed, and an apparatus for performing the foregoing method.