| 摘要 |
<p>For improving the intaglio printing of inks comprising large particles such as optically variable pigment particles and/or optically variable magnetic or magnetizable pigment particles, the invention proposes a process for intaglio printing a feature or pattern comprising the steps of (i) inking one or more chablon cylinders (2) with one or more low viscosity inks, and comprising particles having a size (d50) up to about 90 micrometres with one or more screen cylinders (1) comprising urging means (la), the one or more screen cylinders being connected by means of a connecting duct to an intaglio ink reservoir, (ii) transferring the one or more inks from the one or more chablon cylinders to a plate cylinder (3) carrying one or more an intaglio engraved plates (3a, 3b, 3c), (iii) transferring one or more inks ink from the plate cylinder carrying one or more an intaglio engraved plates to a substrate, and (iv) hardening or curing the one or more inks.</p> |
