Printing – Planographic – Multicolor
Patent
1974-08-19
1978-07-04
Fisher, J. Reed
Printing
Planographic
Multicolor
101148, 101175, 101234, 271259, B41F 708, B41F 3130, B65H 310, B65H 712
Patent
active
040981851
ABSTRACT:
A sheet-fed, high-production, multi-purpose printing press assembled from a group of especially constructed components, including frames, cylinders, sub-assemblies, printing modules and removable and interchangeable segments, each being adapted to be assembled in a wide variety of combinations with the others to produce various simple configurations, to perform single printing functions with high efficiency, as well as various more complex configurations to perform a variety of printing functions and/or combinations of functions (in some cases including concurrent printing and collating). The basic press structure includes a printing couple consisting of a standardized, especially constructed, lower printing cylinder, having a single work area, and an especially constructed large printing cylinder, having an effective diameter which is a whole multiple, greater than one, of the effective diameter of the lower printing cylinder, and having a number (equal to the whole multiple) of work areas, in each of which one of a variety of the especially constructed removable and interchangeable segments may be mounted. One of a variety of different printing surfaces may be carried in each of the various work areas on the cylinders of the printing couple, in a wide range of combinations. The printing couple is mounted in an especially constructed frame structure appropriate to the size of the large printing cylinder and constructed so as to provide a plurality of module mounting positions, at each of which one of a variety of especially constructed printing modules may be mounted in cooperative relationship with the large printing cylinder. The various especially constructed printing modules, in turn, are so constructed that they may each be mounted in any required module mounting position. The said printing modules provide means for mounting other printing surfaces and/or inking or inking and dampening rollers in cooperative relationship with the work areas of the large printing cylinder. The press includes especially constructed feeder means on one side of the printing couple and especially constructed delivery means on the other side of the printing couple, and selectively controllable means are available for causing sheets to be fed to every revolution, or to other than every revolution, of the lower printing cylinder, for causing a sheet to be carried through the bite of the printing couple, once or more than once, as it passes through the press and for causing the sheets to be delivered with a selected printed surface face-up. The efficiency and high productivity of the various configurations of the press are enhanced through the provision of a variety of especially constructed components which perform selectively controllable coordinating and control functions, so that maximum utilization is made of each revolution of the large printing cylinder in terms of the application of images to the sheets being printed, or concurrently printed and collated, in the light of the printing function or combination of functions being performed.
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Fisher J. Reed
North Shore Precision Research Corporation
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