PROCESSES FOR PRODUCING OPTICAL EFFECTS LAYERS

The present invention relates to the field of and processes and printing apparatuses for producing optical effect layers (OEL) comprising magnetically oriented platelet-shaped magnetic or magnetizable pigment particles on a substrate. In particular, the present invention relates to processes using p...

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Hauptverfasser: LOGINOV, EVGENY, SCHMID, MATHIEU, DESPLAND, CLAUDE-ALAIN
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Sprache:eng ; fre
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creator LOGINOV, EVGENY
SCHMID, MATHIEU
DESPLAND, CLAUDE-ALAIN
description The present invention relates to the field of and processes and printing apparatuses for producing optical effect layers (OEL) comprising magnetically oriented platelet-shaped magnetic or magnetizable pigment particles on a substrate. In particular, the present invention relates to processes using printing apparatuses comprising a first magnetic-field-generating device mounted on a transferring device (TD) and a static second magnetic-field-generating device for producing said OELs as anti-counterfeit means on security documents or security articles or for decorative purposes. La présente invention concerne le domaine et des procédés et appareils d'impression destinés à produire, sur un substrat, des couches à effet optique (OEL) comprenant des particules de pigment magnétiques ou magnétisables en forme de plaquette orientées magnétiquement. En particulier, la présente invention concerne des procédés utilisant des appareils d'impression comprenant un premier dispositif de génération de champ magnétique monté sur un dispositif de transfert (TD) et un second dispositif de génération de champ magnétique statique destiné à produire lesdites OEL en tant que moyen anti-contrefaçon sur des documents de sécurité ou des articles de sécurité ou à des fins décoratives.
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language eng ; fre
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subjects ADHESIVES
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BOOK COVERS
BOOKBINDING
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
COLOUR PRINTING
CORRECTING FLUIDS
DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR
DYES
FILES
FILLING PASTES
INKS
LINING MACHINES
LOOSE LEAVES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MOVABLE-STRIP WRITING OR READING APPARATUS
NATURAL RESINS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
PERFORMING OPERATIONS
POLISHES
PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES
PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR
PRINTING
PRINTING MACHINES OR PRESSES
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL
SPECIAL PRINTED MATTER
SPRAYING OR ATOMISING IN GENERAL
STAMPS
TRANSPORTING
TYPEWRITERS
USE OF MATERIALS THEREFOR
WOODSTAINS
title PROCESSES FOR PRODUCING OPTICAL EFFECTS LAYERS
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