Device and method for suctioning a sheet from a sheet stack and sheet-fed rotary printing machine and punch having the device

US9278821B2 · kind B2 · utility

Assignee

• Heidelberger Druckmaschinen AG · DE

Inventors

• Manfred Haeussler · Karlsruhe, DE
• Burkhard Wolf · Dossenheim, DE
• Andreas Mueller · Zeitlarn, DE
• Jochen Renner · Heidelberg, DE
• Matthias Zapf · Heidelberg, DE

Key dates

• Filing date: Feb 10, 2015
• Grant date: Mar 8, 2016
• Expiry date: Feb 10, 2035

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65H2406/3662
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

A device and a method for raising and positioning an object, for example a sheet from a sheet stack, uses a whirlwind to generate a negative pressure for generating a retaining force and uses interference air for releasing the retaining force.