Printing – Multicolor – Rotary machines
Patent
1992-09-29
1994-10-11
Fisher, J. Reed
Printing
Multicolor
Rotary machines
B41F 516, B41F 522
Patent
active
053537033
ABSTRACT:
A printing unit system produces multi-color printing employing a single plate cylinder of a first diameter and a pair of blanket cylinders of a second diameter one-half that of the plate cylinder. The blanket cylinders impact associated impression cylinders, also of the second diameter, at the paper path and, in one embodiment, the two impression cylinders mate with a transfer cylinder. By using blanket and impression cylinders having portions with different diameter, multi-color, superimposed images are printed, two colors at a time. The images for the various colors are produced on a single film under computer control for creation of plates for mounting on the plate cylinder and are not adjustable with respect to one another.
REFERENCES:
patent: 4011812 (1977-03-01), Lecha
patent: 4241657 (1980-12-01), Fujimori
patent: 5009160 (1991-04-01), Duarte
Fisher J. Reed
Shapiro Herbert M.
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