Web guide roller for use at high speeds and process for producing the same

US4426757A · kind A · utility

Assignee

• Agfa-Gevaert NV · BE

Inventors

• Roland Hourticolon · Leichlingen, DE
• Gerhard Roth · Rheinstetten, DE
• Hans Frenken · Odenthal, DE
• Helmut Schaffer · Unterleim, AT
• Gunther Koepke · Odenthal, DE

Key dates

• Filing date: Aug 6, 1981
• Grant date: Jan 24, 1984
• Expiry date: Aug 6, 2001

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65H2404/181
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

The invention relates to a web guide roller for a web which is required to be moved at a high speed, having cavities arranged on its surface for receiving the air carried with the moving web, whereby a finely branched network of compression chambers is arranged on the surface between plateau-like smoothly ground and polished areas on which the web lies in contact. Further the invention relates to a process for the production of this web guide rollers for use at high speed.