Printing – Planographic – Dampeners
Patent
1982-04-15
1983-10-04
Fisher, J. Reed
Printing
Planographic
Dampeners
101349, B41F 726, B41F 3110, B41F 3300
Patent
active
044071973
ABSTRACT:
Device for testing dampening liquid and ink equilibrium in offset printing units having a plurality of dampening liquid applicator rollers defining a dampening film flow path and a plurality of ink applicator rollers defining an ink film flow path, includes a solitary test roller disposable in at least one of the flow paths and having an outer casing surface of hydrophilic construction at least over a partial region thereof, and means for effecting contact between the solitary test roller and at least one roller of the respective pluralities of dampening liquid and ink applicator rollers so as to form a corresponding film thereon.
REFERENCES:
patent: 3353484 (1967-11-01), Koyak
patent: 3707123 (1972-12-01), Heasman et al.
patent: 3805700 (1974-04-01), Chambon
patent: 3960451 (1976-06-01), Wirz et al.
patent: 4151796 (1979-05-01), Uhrig
Fisher J. Reed
Greenberg Laurence A.
Heidelberger Druckmaschinen AG
Lerner Herbert L.
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