GRAVURE MACHINE OFFSET CYLINDER Russian patent published in 2008 - IPC B41F9/06 B41N10/04 

FIELD: printing.

SUBSTANCE: invention relates to offset cylinder and method of its production, as well as to the gravure machine. The gravure machine comprises a plate cylinder with printing plates with deep-gravure printing elements corresponding to gravure printing structure to be printed on the base, the gravure cylinder interacting with the printing cylinder. The offset cylinder incorporates, 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. Note here, that, at least one said offset blanket contains, at least, lipophilic surface layer with recesses or lipophobic surface layer with recesses, including sections with and without recesses corresponding to the gravure printing structure and that should be filled with ink of the said preset colour.

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

6 cl, 7 dwg