DEVICE, PRINTING MACHINE, AND METHOD FOR PRODUCING A SECURITY ELEMENT ON A SUBSTRATE

• Main Authors: BERTHON AURELIE, THONY EMMANUEL, PALME MARTIN
• Format: Patent
• Language: Chinese; English
• Published: 08.10.2021
• Subjects: BOOK COVERS; BOOKBINDING; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR; FILES; LINING MACHINES; LOOSE LEAVES; MOVABLE-STRIP WRITING OR READING APPARATUS; PERFORMING OPERATIONS; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR; PRINTING; PRINTING MACHINES OR PRESSES; SPECIAL PRINTED MATTER; STAMPS; TRANSPORTING; TYPEWRITERS

The invention relates to a device for producing security elements (03) on a substrate (02), comprising a first printing unit (21; 22), by means of which a substrate (02) being conveyed along a transport path can be printed and/or is printed with a plurality of mutually spaced first printed image elements (12) using a first magnetic particle-containing coating agent (11), comprising a first magnet cylinder (41) which is arranged downstream of the first printing unit (21; 22) in the transport path and which comprises magnetic elements (43) on the cylinder circumference, comprising a second magnet cylinder (42) which is arranged downstream of the first magnet cylinder (41) in the transport path and which likewise comprises magnetic elements (43) on the cylinder circumference, and comprising a drying and/or curing device (52) which is paired with the second magnet cylinder (42) or is arranged downstream thereof in the transport path and by means of which at least the coating agent (13) of a plurality of mutually