Device for removing ink applied to non-printing parts on waterle

Details Device for removing ink applied to non-printing parts on waterle Device for removing ink applied to non-printing parts on waterle

1997-01-30

1999-03-16

Eickholt, Eugene

Printing

Planographic

Processes of lithographic printing

1013491, B41F 3102

Patent

active

058816445

ABSTRACT:
Printing ink attached to non-printing parts on a waterless planographic printing plate can be removed by bringing a rotary roller having a circumferential adhesive surface coated with viscous ink having higher viscosity than that of the printing ink applied to the printing plate into contact with the printing plate in rotation. The viscous ink applied to the rotary roller is higher in viscosity than the printing ink applied to the printing plate for printing, so that the ink transferred from the printing plate to the rotary roller can be steadily captured thus the unnecessary printing ink attached to the non-printing parts on the printing plate is completely removed. Consequently, clear and sharp printed matter with print images excellently reproduced can be obtained at a low cost.

REFERENCES:
patent: 4403550 (1983-09-01), Sharp

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