Method for varnishing security documents, especially intaglio-printed security document such as banknotes, and varnishing machine for carrying out the same

Method for varnishing security documents, especially intaglio-printed security document such as banknotes, and varnishing machine for carrying out the same

There is described a method for varnishing security documents, especially intaglio-printed security documents such as banknotes, wherein both sides of the security documents are covered by a protective varnish. The method comprises the step of applying a thicker layer of protective varnish on a side...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: BOLOGNINI, STEPHANE
Format: Patent
Sprache:eng
Schlagworte:
COLOUR PRINTING
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
PRINTING MACHINES OR PRESSES
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES
STAMPS
TRANSPORTING
TYPEWRITERS
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Beschreibung
Zusammenfassung:There is described a method for varnishing security documents, especially intaglio-printed security documents such as banknotes, wherein both sides of the security documents are covered by a protective varnish. The method comprises the step of applying a thicker layer of protective varnish on a side of the security documents which exhibits a greater surface roughness, especially the side which is opposite to the side of the security documents which was last printed by intaglio printing. Also described in a varnishing machine for carrying out the above method.