Moistening device for a roll or a cylinder of an offset press

摘要

A moistening device for a roll or a cylinder of an offset press is disclosed. The moistening device includes a chamber-type doctor which is attached for moistening to the roll or to the cylinder. At least one actuator is arranged on the chamber-type doctor, with which actuator the pressing force of the chamber-type doctor on the roll or the cylinder can be varied along the length of the roll or the cylinder.