Importance

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Abstract

A system and method for the overprint on flexible supports are described. In particular, the overprint system 1 comprises a printing unit 2 comprising a rotatable printing cylinder 3, having printing zones at the surface thereof, and first actuating means 14, configured to drive in a controllable manner the printing cylinder 3 rotation. The system further comprises a first reel 5 for unwinding a flexible support 4 to be printed, which has preset zones to be overprinted, and a second reel 8 for rewinding the flexible support 4, once it has been printed. A plurality of winding rolls 7 arranges an unwinding path, for the flexible support 4, comprised between the first 5 and the second 8 reels, and passing through the printing unit 2. The system then comprises second actuation means 20, configured to drive in a controllable manner the flexible support 4 advancement along the unwinding path (upstream of the printing unit 2 in the unwinding direction), and control means 10, configured to control in a coordinated manner both the first actuating means 14 and the second actuation means 20, so as to determine at every moment a correspondence of the preset zones to be overprinted of the flexible support 4 with respective printing zones of the printing cylinder 3.

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First Claim