METHOD OF MAKING SHEETS FOR SECURITY DOCUMENTS

The invention is directed toward improvements in security substrates, such as paper, used for making security documents, such as bank notes, having anti-counterfeit able features and in particular to security substrates incorporating an elongate security element and methods of making the substrate....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MACEY, ANDREW, MALCOLM, BAKER, MALCOLM, PAUL, ASH, ADRIAN, DONALD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	GRINDING IMPREGNATING OR COATING OF PAPER METHODS OF PRODUCING PAPER THEREON PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PAPER-MAKING MACHINES PERFORMING OPERATIONS POLISHING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TOOLS FOR GRINDING, BUFFING, OR SHARPENING TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	The invention is directed toward improvements in security substrates, such as paper, used for making security documents, such as bank notes, having anti-counterfeit able features and in particular to security substrates incorporating an elongate security element and methods of making the substrate. The invention comprises a security substrate for making security documents and the like comprising a fibrous base substrate and an elongate security element at least partially embedded therein. At one surface of the security substrate one portion of the security element is exposed to provide a continuous track along the length of the security element. A plurality of other portions along at least one edge of the security element are partially covered by overlapping regions of the fibrous substrate. The invention further comprises a method of manufacturing such a security substrate.