Convertible or shiftable varnish supply on finishing units in rotary printing presses

摘要

Device for processing a viscous fluid for finishing printing products in a finishing unit of a rotary printing press, the finishing unit having a plurality of rollers suppliable with the fluid at least at one feeding location thereof, and a plurality of cylinders suppliable with the fluid by the plurality of rollers, includes a device for collecting the fluid from the one feeding location thereof, the plurality of rollers including a metering roller engageable with one of the cylinders for feeding the fluid thereto, another roller of the plurality of rollers being in cooperative engagement with the metering roller and with the collecting device for feeding the fluid to the metering roller.