Method for controlling viscous ink application in a printing pre

Details Method for controlling viscous ink application in a printing pre Method for controlling viscous ink application in a printing pre

1991-03-27

1992-07-14

Fisher, J. Reed

Printing

Inkers

Fountains

101366, 101483, B41F 3108

Patent

active

051293200

ABSTRACT:
Method and ultrasonic ink metering system for applying ink to a roller 14 in a printing press; the system comprising: an ink supply 20 containing ink; means 22 for pressurizing said ink in said ink supply 20; at least one ink metering device 10 having an internal passageway 30, said internal passageway 30 having an input 32 connected to said ink supply 20 and having an output 36, said metering device 10 also having a nozzle 34 connected to said output 36 of said internal passageway 30 l; at least one piezoelectric transducer 26 attached to said nozzle 34; and variable means 24 for operating said at least one piezoelectric transducer 34 in a power input range; wherein at least the power input of operation of said at least one piezoelectric transducer 34 determines the quantity of ink applied to the roller 14.

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