GRAVURE MACHINE Russian patent published in 2008 - IPC B41F9/02 

FIELD: printing.

SUBSTANCE: gravure machine incorporates, at least, a gravure cylinder with plates having deep-gravure printing elements corresponding to gravure printing structure to be printed on the base, the gravure cylinder interacting with the printing cylinder. The machine incorporates also a composite cylinder with, at least, one offset blanket whereon multi-colour ink is rolled by means of selector cylinders. A preset colour ink is applied onto every selector cylinder, the ink being fed from the ink device coupled thereto. Note, that every selector cylinder has recesses corresponding to the gravure printing structure and that should be filled with ink of the said preset colour. The said machine additionally contains appropriate appliances to vary the length of the rolled on surface of the composite cylinder using the selector cylinders, the above means being provided with driving means to drive the selector cylinders independently of the composite cylinder.

EFFECT: higher accuracy of the ink application, optimised consumption of the inks.

13 cl, 4 dwg