Rotary printing press

Details Rotary printing press Rotary printing press

1982-09-30

1984-07-10

Pieprz, William

Printing

Rolling contact machines

Rotary

101218, 101352, B41F 1314, B41F 1328, B41F 1338, B41F 1334

Patent

active

044585918

ABSTRACT:
A rotary printing press comprises a rotatable blanket cylinder and a plate cylinder disposed in rolling engagement with said blanket cylinder. A skew-adjusting means varies the angle between the blanket and plate cylinders. A form roll is disposed in rolling engagement with the plate cylinder. Plate cylinder throw off means moves the plate cylinder to disengage the plate cylinder from the blanket cylinder. The plate cylinder throw off means comprises means for disengagement of said plate cylinder from said blanket cylinder without skew movement of the plate cylinder. Form roll-plate cylinder adjustment means is provided for adjusting the center-to-center distance between the form roll and the plate cylinder. A cam has surface means for maintaining the center-to-center distance between the form roll and the plate cylinder as the plate cylinder is thrown off the blanket cylinder and as the skew adjusting means varies the angle between said blanket and plate cylinders.

REFERENCES:
patent: 2635539 (1953-04-01), Peyrebrune
patent: 2737886 (1956-03-01), Ruppel
patent: 2853943 (1958-09-01), Royer
patent: 2855846 (1958-10-01), Harless et al.
patent: 2874636 (1959-02-01), Royer et al.
patent: 3208377 (1965-09-01), Hantscho
patent: 3691956 (1972-09-01), James et al.
patent: 3800698 (1974-04-01), Kist et al.
patent: 4094243 (1978-06-01), Brann
patent: 4214527 (1980-07-01), Kamota

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