US 2016/0257111 A1 · SYSTEM AND METHOD FOR OVERPRINTING ON FLEXIBLE SUPPORT ON REEL WITH CAPABILITY OF RELIEF PRINTING

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.

Claims20

Dependent claims

An overprint system for overprinting on flexible supports, comprising:

at least one printing unit comprising at least one rotatable printing cylinder, having printing zones at the surface thereof, said at least one printing unit further comprising first actuating means, configured to drive in a controllable manner the rotation of the printing cylinder;
at least one first reel for unwinding a flexible support to be printed, wherein said flexible support has preset zones to be overprinted;
at least one second reel for re-winding said flexible support, once it has been printed;
a plurality of winding rolls configured to arrange an unwinding path for said flexible support, the unwinding path being comprised between said first and said second reels, and passing through said printing unit;
second actuation means, configured to drive in a controllable manner the advancement of the flexible support along the unwinding path, upstream of the printing unit in the unwinding direction;
control means configured to control in a coordinated manner both the first actuating means and the second actuation means, so as to determine at every moment a correspondence of the preset zones to be overprinted of the flexible support with respective printing zones of the printing cylinder.

3 more elements

A method for overprinting on flexible supports, which have preset zones to be overprinted, comprising:

unwinding a flexible support from a first unwinding reel to a second rewinding reel through an unwinding path passing through a printing unit comprising at least one rotatable printing cylinder, having printing zones at the surface thereof;
overprinting said preset zones to be overprinted of the flexible support by means of a contact with corresponding said printing zones of the printing cylinder, upon the passage of the flexible support in the printing unit;
wherein the unwinding operation comprises driving in a controllable manner the flexible support advancement along the unwinding path, upstream of the printing unit in the unwinding direction, by second actuation means,
and the overprinting operation comprises driving in a controllable manner the printing cylinder rotation, by first actuating means;
and wherein the operations of driving in a controllable manner the flexible support advancement and driving in a controllable manner the printing cylinder rotation comprise controlling in a coordinated manner, by control means, both the first actuating means and the second actuation means, so as to determine at every moment a correspondence of the preset zones to be overprinted of the flexible support with respective printing zones of the printing cylinder.

2 more elements

Dependencies are inferred from the claim text.

System and method for overprinting on flexible support on reel with capability of relief printing

Life of this patent

System and method for overprinting on flexible support on reel with capability of relief printing

Life of this patent

Abstract

Claims20