DOUBLE-SIDED SECURITY ELEMENT

A security element has a transparent film, a pattern of transparent and non-transparent regions on a first side of the transparent film, and a pattern of transparent and non-transparent regions on a second side of the transparent film. The pattern on the second side of the transparent film matches o...

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Bibliographische Detailangaben
Hauptverfasser:	BALLABIO, Eligio, BELLI, Alberto, PALLOTTA, Pasquale
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BOOK COVERS BOOKBINDING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES 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 SPECIAL PRINTED MATTER TRANSPORTING
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Beschreibung
Zusammenfassung:	A security element has a transparent film, a pattern of transparent and non-transparent regions on a first side of the transparent film, and a pattern of transparent and non-transparent regions on a second side of the transparent film. The pattern on the second side of the transparent film matches or is in register with the pattern on the first side of the transparent film. A color changing layer covers the pattern on at least one side of the first and second sides of the transparent film.