Ductor roll assembly, ink station assembly and can decorator employing same

Oscillating roller and printing press having a plurality of printing units that have such a roller

Printer ductor roller and electromagnetic valve protection member built into ductor roller

Printing machine having ductor roller, correction device, and printing machine correction method

Inking apparatus of a printing press, printing press comprising the same and method of producing a vibrator roller

Ink supply device for printing machine

Porous roll with axial zones and method of proving printing liquid to a cylinder in a printing press

Unit of a Plurality of Divided Vibrating Rollers and Printing Machine

Rotogravure printing units