Coating method and device

The method involves applying a coating on a substrate (B) by a high-pressure, gravure or offset printing by a rotary printing machine. An optically visible or invisible pattern or effect is obtained by exposure of a magnetic field on a magnetic pigment (2) and/or particles in the coating during runn...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CLAUTER, PETER, GÖTZ, THOMAS, GEBHARDT, RAINER, LEERATANAPHANIT, SARAYUT
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BOOK COVERS BOOKBINDING CINEMATOGRAPHY COLOUR PRINTING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR ELECTROGRAPHY ELECTROPHOTOGRAPHY FILES HOLOGRAPHY LINING MACHINES LOOSE LEAVES MAGNETOGRAPHY MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS 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
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Beschreibung
Zusammenfassung:	The method involves applying a coating on a substrate (B) by a high-pressure, gravure or offset printing by a rotary printing machine. An optically visible or invisible pattern or effect is obtained by exposure of a magnetic field on a magnetic pigment (2) and/or particles in the coating during running of the printing machine. The pattern or the effect after exposure to the magnetic field in the coating is fixed by drying or radiation. The magnetic field is generated by a permanent- or electromagnet (3), an intermediate layer and a magnetizing head. An independent claim is also included for a device for executing a method for producing an optically visible or invisible effect or pattern in a coating.