Washing device for washing a rubber blanket in a rotary offset p

Details Washing device for washing a rubber blanket in a rotary offset p Washing device for washing a rubber blanket in a rotary offset p

1986-03-03

1988-02-02

Fisher, J. Reed

Printing

Planographic

Rotary machines

101425, B41F 706, B41F 3506

Patent

active

047222735

ABSTRACT:
A washing device for washing a rubber blanket cylinder in a rotary offset printing machine, the washing device being convertible to a device for applying lacquer to the rubber blanket, the washing device being disposed at the blanket cylinder upstream of a location of contact between the blanket cylinder and a printing-image carrier, as viewed in direction of rotation of the blanket cylinder, the washing device having a metering roller, a spray device located adjacent to the metering roller, and a washing roller engageable with the metering roller and being disposed in a collecting vessel, including a washing-liquid supply container and a water supply container and valve means for alternatively feeding washing liquid and water from the respective container to the spray device, the metering roller of the washing device, when the washing device is converted to the lacquer applying device, serving as a lacquer metering roller and being engageable with the blanket cylinder in one printing unit of the rotary offset printing machine which does not participate in the printing operation, and the collecting vessel being replaced by a lacquer trough.

REFERENCES:
patent: 3896730 (1975-07-01), Garrett et al.
patent: 4270450 (1981-06-01), Difflipp et al.
patent: 4308796 (1982-01-01), Satterwhite
patent: 4369734 (1983-01-01), Preuss
patent: 4526102 (1985-07-01), Grobman

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