Printing – Planographic – Processes of lithographic printing
Patent
1974-11-15
1976-12-28
Klein, David
Printing
Planographic
Processes of lithographic printing
96 14, 96 1R, 101464, 1014011, 101170, 101426, G03G 1314
Patent
active
039994813
ABSTRACT:
A master is formed on a photoconductive surface by first forming an electrostatic charge pattern on the imaging member and developing the charge pattern to form an image of electroscopic marking particles. The developed image is uniformly coated with a thin layer of an adhesive coating and the coated image is then contacted with an adhesive surface transfer element. Upon separation the thin layer of adhesive overcoating fractures. The thin overcoating over the electroscopic particles and these particles transfer to the transfer element so as to leave on the photoconductive member the remaining thin overcoating layer in an image configuration which constitutes the master.
The master can be used to make copies by electrostatic, lithographic or gravure printing.
REFERENCES:
patent: 3309990 (1967-03-01), Kluptel
patent: 3352731 (1967-11-01), Schwertz et al.
patent: 3664834 (1972-05-01), Amidon et al.
Goodrow John L.
Klein David
MacKay Donald M.
Mahassel Albert A.
Ralabate James J.
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