Spray dampening system having alternate application control

Details Spray dampening system having alternate application control Spray dampening system having alternate application control

1988-04-11

1989-03-28

Fisher, J. Reed

Printing

Planographic

Dampeners

B41F 730

Patent

active

048153753

ABSTRACT:
A spray dampening system for use in a printing operation including solenoid-operated spray dampening fluid nozzles operated at particular frequencies in relation to the speed of the press. The nozzles are operated in pairs, such that only one of the nozzles of each pair is activated at any one time. The frequency of alternation of activation of the nozzles of each pair is dependent upon the speed of the printing operation.

REFERENCES:
patent: 3747524 (1973-07-01), Crum
patent: 4469024 (1984-09-01), Schwartz et al.
patent: 4508034 (1985-04-01), Bolza-Schunemann

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