Device for conveying sheets in a printing machine

Details Device for conveying sheets in a printing machine Device for conveying sheets in a printing machine

1998-06-26

2000-07-25

Ellis, Christopher P.

Sheet feeding or delivering

Delivering

By electrostatic or magnetic conveyor

198691, B65H 2930

Patent

active

06092800&

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.

REFERENCES:
patent: 3690646 (1972-09-01), Kolibas
patent: 3717801 (1973-02-01), Silverberg
patent: 4244465 (1981-01-01), Hishikawa et al.
patent: 4526357 (1985-07-01), Kuehnle et al.
patent: 4856769 (1989-08-01), Andrew et al.
patent: 4864461 (1989-09-01), Kasahara
patent: 5003325 (1991-03-01), Bibl
patent: 5121170 (1992-06-01), Bannai et al.
patent: 5593151 (1997-01-01), Mastare et al.

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