Patent · US Expired

Device for conveying sheets in a printing machine

US6092800A · kind A · utility

4Cited by

9References

9Claims

0Family size

Assignee

Heidelberger Druckmaschinen AG · DE

Inventors

Christian Compera · Sonneberg, DE
Walter Dworschak · Gettorf, DE
Gerhard Bartscher · Cologne, DE
Patrick Metzler · Gettorf, DE

Key dates

Filing date	Jun 26, 1998
Grant date	Jul 25, 2000
Priority date	—
Expiry date	Jun 26, 2018

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB65H2404/20
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

A device for conveying thin workpieces in a machine used in printing technology, which device includes at least one moving conveying element, on whose surface are formed areas of changing charge density, the adherence of the workpiece on the conveying element being supported by electrostatic forces wherein contacts are provided for forming the areas of changing charge density, the contacts touching the conveying element and being connected to at least one voltage source, and an electric current flow being present, via the contacts in the material of the conveying element.

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