Device for guiding sheets in a sheet processing apparatus

US6640707B2 · kind B2 · utility

Assignee

• Heidelberger Druckmaschinen AG · DE

Inventors

• Eckart Frankenberger · Darmstadt, DE
• Michael Gieser · Oftersheim, DE
• Christian Gorbing · Heidelberg, DE
• Peter Hachmann · Dossenheim, DE
• Karl-Heinz Helmstadter · Heidelberg, DE
• Christian Hieb · Schifferstadt, DE
• Ruben Schmitt · Bühl, DE
• Gunter Stephan

Key dates

• Filing date: Aug 31, 2001
• Grant date: Nov 4, 2003
• Expiry date: Oct 8, 2021

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B41F21/102
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

In a device for guiding sheets in a sheet-fed apparatus, preferably, a rotary printing press, sheet guide elements that are charged with blasted air are disposed at the sheet guide cylinder, and the air blast nozzles include a combination of conventional free jet nozzles and throttled nozzles, which are independently charged with different pressure levels.