B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
101/80.1
B41F 5/00 (2006.01) B41F 7/06 (2006.01) B41F 7/10 (2006.01)
Patent
CA 1200429
ABSTRACT OF THE DISCLOSURE To permit modular construction of a multiple sheet-fed rotary offset printing machine, for selective multi-color prime and/or verso printing, printing stations are constructed to position the blanket cylinders (17-20, 59-62) and the printing cylinders (21-23; 59-66) in alternate contacting position along a straight line, the printing cylinder (e.g. 22) of one printing station (e.g. 2) being, alternately, in engagement with the blanket cylinder (19) of an adjacent station (3). The printing and blanket cylinders all have grippers, and the printing cylinders of one station apply- ing prime printing may have a rubber blanket thereon and form the blanket cylinder of a station (32) located beneath the respective printing station. A theoretical connecting line connecting the axes of the blanket cylinders and printing cylinders of the respective station has a zig-zag configuration, with angles between the respective portions or legs of the line being between 70°-175°, preferably about 145°. The dimensions of the respective printing and blanket cylinders are preferably twice that of the plate cylinders, to provide suitable access for maintenance and operating personnel between the respective stations with reasonable size of the machine.
420109
Frayne & Company Robert
M.a.n.-Roland Druckmaschinen Aktiengesellschaft
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