Method of imaging an electrostatic master to form a printing pla

Details Method of imaging an electrostatic master to form a printing pla Method of imaging an electrostatic master to form a printing pla

1995-10-02

1998-03-24

Wong, Peter S.

Radiation imagery chemistry: process, composition, or product th

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

To produce printing surface

430 48, 358246, 399 1, G03G 1326

Patent

active

057311145

ABSTRACT:
Processes, products and inventive uses for improved gray scales in pictorial content of monochrome printed matter and involving a color laser copier (30). An exemplary process presents a subject image (14) to a laser color copier, supplies an electrostatic printing plate (20) to the copier, and introduces the subject image directly to the plate as a transfer image (14') by operating the copier. The process confers superior gray scale capability to the plate and prepares the plate, as later mounted on a printing press (40), to produce printed matter (43) wherein printed image (14") corresponds to the subject image and is characterized by improved gray scale. An exemplary product, as an article of manufacture, is a printing plate with the directly-introduced transfer image. An inventive use is use or operation of the copier directly to make--from subject image on its copy board (31)--the transfer image on the printing plate. The invention obviates many time-intensive steps and need for considerable equipment of prior art practices, in instant printing establishments and elsewhere, for making the transfer image.

REFERENCES:
patent: 5212030 (1993-05-01), Figov
patent: 5304443 (1994-04-01), Figov
patent: 5405723 (1995-04-01), Rhodes et al.

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