| 摘要 |
<p>There is provided a rotary printing press (1) for overprinting, comprising at least one overprinting group (2) equipped with at least one overprinting cylinder (3) having printing zones on its surface, at least one first support element (6) of a first spool (5) of a flexible support (4) to be unwound, the flexible support (4) having zones intended to be overprinted, at least one second support element (9) for the winding of a second overprinted spool (8) of said flexible support (4), means (10) for commanding the advance of the flexible support (4) along a working path located between the first and second support elements (6, 9), and means (12) for controlling the advance, which are intended for ensuring that said zones to be overprinted successively match exactly said corresponding printing zones. <IMAGE></p> |
