Apparatus for conveying sheets

Details Apparatus for conveying sheets Apparatus for conveying sheets

1987-11-09

1989-08-15

Schacher, Richard A.

Sheet feeding or delivering

Delivering

By electrostatic or magnetic conveyor

271 181, 271901, 198191, 226 94, B65H 2916

Patent

active

048567698

ABSTRACT:
A conveyor surface composed of a single belt, a plurality of belts or of other structures such as a plurality of panels or other moving surface, or a fixed surface over which sheets of non-conductive material as paper or textiles can be caused to travel or can slide. The surface is composed of two sets of areas, intermingled in one of several ways, the two sets of areas being of material of opposite electrostatic properties (spaced apart on the triboelectric scale) so that when a sheet is conveyed the two sets of areas develop opposite electrostatic reaction to the sheet to give an overall zero or near-zero electrostatic resultant force on the sheet or other item being conveyed.

REFERENCES:
patent: 2316824 (1940-04-01), Tobias et al.
patent: 2568824 (1951-09-01), Rahbek
patent: 2576882 (1951-11-01), Koole
patent: 3017982 (1962-01-01), Sittel
patent: 3371247 (1968-02-01), Mullenger
patent: 3528592 (1970-09-01), White
patent: 3690646 (1972-09-01), Kolibas
patent: 3832053 (1974-08-01), Goel
patent: 4244465 (1981-01-01), Hishikawa
patent: 4572359 (1986-02-01), Fujita et al.

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