Toning method and member for electrostatography

Details Toning method and member for electrostatography Toning method and member for electrostatography

1989-09-07

1991-01-22

Welsh, J. David

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With means to orient coating particles

118645, 430118, 430101, 430102, 430103, 430 40, 355256, 355257, 355259, B05B 5025

Patent

active

049862111

ABSTRACT:
A toning method and member for electrostatography wherein a recording member containing information on its image bearing surface in the form of electrostatic latent images of one polarity is toned by attracting to such latent images toner material of opposite polarity including providing a carrier or toning member according to the invention containing on at least one surface thereof a dry pre-toner coating; activating such pre-toner coating with an insulative solvent to thereby solvate and confer opposite polarity to such pre-toner coating contained thereon while rendering such pre-toner coating releasable from the carrier member; establishing virtual contact between the activated and releasable pre-toner coating on the carrier member and the image bearing surface of the recording member; transferring the pre-toner coating in image configuration onto the recording member by attraction to the latent images to form toner deposits thereon; and separating the carrier member from the recording member.

REFERENCES:
patent: 2901374 (1959-08-01), Gundlach

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