Improving adhesion of a security stripe or patch to paper sheets having reinforcing corner and edge watermarks

The invention concerns security documents having edge or corner reinforcing watermarks consisting of spaced bars 13a. If a planar security feature 15 such as a stripe or patch is applied over the watermarks then poor adhesion to the paper substrate results because the feature bridges the gaps betwee...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	ADRIAN DONALD ASH, ANDREW MALCOLM MACEY, MALCOLM PAUL BAKER
Format:	Patent
Sprache:	eng
Schlagworte:	BOOK COVERS BOOKBINDING COLOUR PRINTING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES IMPREGNATING OR COATING OF PAPER LINING MACHINES LOOSE LEAVES MOVABLE-STRIP WRITING OR READING APPARATUS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES PRODUCTION OF CELLULOSE PULP COMPOSITIONS SPECIAL PRINTED MATTER STAMPS TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TYPEWRITERS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Schreiben Sie den ersten Kommentar!