Color printing apparatus and process for both sides of a printing paper

Abstract From the Canadian patent

A color printing apparatus for both sides of printing paper comprises a plurality of printing sections which are isolately arranged at a regular interval in a piled configuration. Each one of the printing section includes a pair of blanket cylinders facing each other which can be moved between their contacting position and isolating position. Every blanket cylinder is connected to a plate cylinder which is connected to an inking unit or, an inking unit and a dampening unit. Each of the plate cylinder is further provided with a fine adjusting means for shifting the plate cylinder along its axis with respect to the blanket cylinder. The shifting operation of the fine adjusting means can …