Apparatus for lithography or intaglio printing

Details Apparatus for lithography or intaglio printing Apparatus for lithography or intaglio printing

1982-04-12

1984-06-19

Burr, Edgar S.

Printing

Planographic

Rotary machines

101153, B41F 500, B41F 700, B41F 3118, B41L 2720

Patent

active

044548109

ABSTRACT:
The embodiment of a lithography or intaglio printing apparatus described herein include a plate cylinder, an impression cylinder adapted to be periodically pressed against the plate cylinder for rotation therewith at the same speed as that of said plate cylinder, and inking rollers in contact with the surface of a plate. The length of a printing plate mounted on the plate cylinder is less than a half of the peripheral length of the plate cylinder and is also less than the peripheral distance between the contact points of inking rollers with the surface of the printing plate and of the objects to be printed with the surface of the printing plate. The impression cylinder is moved intermittently toward said printing plate to urge sheet material into contact therewith and the periods during which the inking rollers and the sheet material are maintained in contact with the printing plate may be changed independently.

REFERENCES:
patent: 3536006 (1970-10-01), Roozee
patent: 3949864 (1976-04-01), Montsant
patent: 4273043 (1981-06-01), Martino

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