Wet type electrostatic image developing device

Details Wet type electrostatic image developing device Wet type electrostatic image developing device

1979-08-30

1982-05-04

Pianalto, Bernard D.

Coating apparatus

Control means responsive to a randomly occurring sensed...

118203, G03G 1510

Patent

active

043276644

ABSTRACT:
A wet type electrostatic image developing device of a type, wherein a porous, resilient developing member, which is applied with a developing bias voltage and which impregnates therein developing liquid, is press-contacted to an electrostatic image carrier and rotated to carry out the wet-type development of the electrostatic image. In this developing device, a refreshing device which functions to exchange the developing liquid within the porous, resilient developing member press-contacted to the developing member is maintained in an electrically floated state so as to prevent generation between the porous, resilient developing member and the refreshing device of an electric field which causes developing toner to substantially migrate.

REFERENCES:
patent: 3866572 (1975-02-01), Gundlach
patent: 4205622 (1980-06-01), Miyake et al.

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