VERFAHREN ZUM DRUCKEN EINES SICHERHEITSELEMENTS UND SICHERHEITSELEMENT

The process involves printing a semi-transparent security unit (2) with variable optical ink on a base (1) of a substrate. The security unit is printed to cover the base. The semi-transparent security unit is printed by a serigraphy process. A sifter utilized in the serigraphy process comprises 180...

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Bibliographic Details
Main Authors GIORI, FAUSTO, FORESTI, GIANFRANCO
Format Patent
LanguageGerman
Published 15.08.2008
Subjects
BOOK COVERS
BOOKBINDING
COLOUR PRINTING
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, DUPLICATING, MARKING, OR COPYING PROCESSES
SPECIAL PRINTED MATTER
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:The process involves printing a semi-transparent security unit (2) with variable optical ink on a base (1) of a substrate. The security unit is printed to cover the base. The semi-transparent security unit is printed by a serigraphy process. A sifter utilized in the serigraphy process comprises 180 to 230 lines per inch according to X and Y directions of the sifter. An independent claim is also included for a value-paper.
Bibliography:Application Number: AT20040708414T