Image transfer member including an electroconductive layer

Details Image transfer member including an electroconductive layer Image transfer member including an electroconductive layer

1988-10-17

1991-08-06

Braun, Fred L.

Photocopying

Contact printing

Light boxes

355271, G03G 1514, G03G 1516

Patent

active

050381784

ABSTRACT:
A transfer device for transferring a toner image on an image carrier onto a transfer material, including a transfer drum, a supporting device for the transfer material in place on the surface of the transfer drum and an electrode for applying a bias voltage to an electroconductive layer of the transfer drum. The transfer drum includes a rotatably supported drum member, a flexible elastomer layer on the peripheral surface of the drum member, and an electroconductive layer on the elastomer layer. The elastomer layer of the transfer drum is made of a foaming elastomer such as a polyurethane foam so that the transfer material is in contact with the toner image on the image carrier under a small amount of pressure and with an ample contact width.

REFERENCES:
patent: 3702482 (1972-11-01), Dolcimdscolo et al.
patent: 3993021 (1976-11-01), Kline
patent: 4063808 (1977-12-01), Simpson
patent: 4087169 (1978-05-01), Fantuzzo
patent: 4309803 (1982-01-01), Blaszak
patent: 4496233 (1985-01-01), Gage et al.
patent: 4527169 (1989-07-01), Springer

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