Apparatus for applying and withdrawing a pressure cylinder actin

Details Apparatus for applying and withdrawing a pressure cylinder actin Apparatus for applying and withdrawing a pressure cylinder actin

1977-08-11

1978-10-10

Fisher, J. Reed

Printing

Intaglio

Rotary

101247, B41F 1340

Patent

active

041190319

ABSTRACT:
In an intaglio printing press, apparatus for applying and withdrawing a pressure cylinder to the plate cylinder during replacement of the latter comprises displaceable journals for the pressure cylinder operatively connected to a piston-cylinder unit. To control the withdrawing motion of the pressure cylinder, a pressure medium is fed beneath the piston by way of a pressure regulating valve which is open during printing and which is moved to a closed position by a cam carried along by the piston rod.

REFERENCES:
patent: 2207785 (1940-07-01), Crafts
patent: 2607292 (1952-08-01), Harless
patent: 3131631 (1964-05-01), Haskin, Jr.
patent: 3601046 (1971-08-01), Motter

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