Dry planographic printing method and plate made by electrophotog

Details Dry planographic printing method and plate made by electrophotog Dry planographic printing method and plate made by electrophotog

1977-12-20

1979-11-27

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

To produce printing surface

430100, G03G 1326

Patent

active

041759583

ABSTRACT:
This invention provides a dry planographic printing plate prepared by forming on an electrically conductive support a photoconductive layer composed of a binder and photoconductive powder dispersed in the binder, charging and then image-exposing a resultant photosensitive plate, and finally developing by means of a conductive toner and fixing the conductive toner. This invention also provides a dry planographic printing method including reversal-developing said printing plate by using a toner, transferring the toner to a sheet of transfer material, and then fixing the toner, as well as an apparatus used in said printing method.

REFERENCES:
patent: 3918971 (1975-11-01), Zweig

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