Brush-type dampening unit in a rotary printing machine

Details Brush-type dampening unit in a rotary printing machine Brush-type dampening unit in a rotary printing machine

1991-06-07

1993-06-08

Burr, Edgar S.

Printing

Planographic

Dampeners

101147, 118257, 118258, 239215, B41L 2500

Patent

active

052169529

ABSTRACT:
A brush-type dampening unit in a rotary printing machine, includes at least one revolving carrier member having a multiplicity of brush bristles arranged thereon a pan roller dipping at least partly into a dampening-fluid pan, and revolving in a direction opposite to that of the carrier member, adjusting means for adjusting the position of the carrier member with respect to the pan roller, the revolving carrier member and pan roller having respective separately controllable drives independent of a drive of the printing machine, and means for zonally metering a quantity of dampening fluid over the width of the machine, as well as for influencing a direction of movement of the dampening fluid.

REFERENCES:
patent: 2009652 (1935-07-01), Conwill
patent: 2868118 (1959-01-01), Dahlgren
patent: 4034670 (1977-07-01), Zavodny
patent: 4143596 (1979-03-01), Ivett
patent: 4970953 (1990-11-01), Reponty
patent: 5038679 (1991-08-01), Moroz

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