Liquid feed for offset press dampening system

Details Liquid feed for offset press dampening system Liquid feed for offset press dampening system

1974-10-17

1976-04-13

Fisher, J. Reed

Printing

Planographic

Dampeners

101366, B41F 730

Patent

active

039496686

ABSTRACT:
A multiple spray nozzle, offset press dampening system of the type having individual metering pumps for the respective nozzles achieves improved control and reliability by substantially increasing feed water pressure entering the metering pumps, thereby reducing the formation of bubbles. The pump output valve flow-through pressure is also increased to retain accurate metering conditions.

REFERENCES:
patent: 1185667 (1916-06-01), Hoe
patent: 1185668 (1916-06-01), Hoe
patent: 1924731 (1933-08-01), Barnes
patent: 2389730 (1945-11-01), Iler
patent: 3023968 (1962-03-01), Mitchell
patent: 3065693 (1962-11-01), Neal et al.
patent: 3341124 (1967-09-01), Barnes
patent: 3348774 (1967-10-01), Wiggins
patent: 3450092 (1969-06-01), Kock
patent: 3529626 (1970-09-01), German
patent: 3651756 (1972-03-01), Smith, Jr.

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