Patent ID: 7451698

Claim:
A device for producing a coating on a printed material that has been printed in a printing press, the coating device comprising a separate inkjet printer for discharging a coating material on the printed material, the inkjet printer comprising an array of inkjet heads, the inkjet printer including a plurality of inkjet outlet openings arranged to act in a line-by-line manner on the printed material which is passed under the inkjet outlet openings, and a control unit for actuating discharge of coating material through the inkjet outlet openings of the inkjet printer using digital image data such that distribution of the coating material on the printed material is variable in terms of a surface area of the printed material and in terms of a layer profile and wherein the droplet characteristics of the coating material discharged through the inkjet outlet openings is variable by the control unit such that the coating material applied on the printed material is variable between complete area coverage on the printed material and the absence of any coating material.