Security strip and security paper

Details Security strip and security paper Security strip and security paper

B - Operations, Transporting

42

D

B42D 15/00 (2006.01) D21H 21/42 (2006.01) D21H 21/48 (2006.01)

Patent

CA 2600620

The invention relates to a security strip (1) and security paper (8) which are used to produce security documents, such as legal tender notes (9), cheques or identification documents, comprising a cellulose support band (2) which is fully embedded in a substrate (3) of paper pulp. Both the substrate (3) and the support band (2) are made from vegetable fibres (4) and, as such, a series of physicochemical bonds are made between the fibres (4) of both elements, such that the support (2) band is perfectly integrated in the paper pulp. Occasionally, the cellulose support band (2) comprises a series of security elements, such as pigments (5), synthetic elements (6) and/or security fibres (7) of the type normally used for said purpose.

L'invention concerne une bande de sécurité (1) et un papier de sécurité (8) utilisés pour l'obtention de documents de sécurité, de type billets (9) de cours légal, chèques ou documents d'identification, comprenant une bande support (2) cellulose entièrement intégrée dans un substrat (3) de pâte à papier. Le substrat (3) et la bande support (2) sont composés de fibres végétales (4), et une série de liaisons physico-chimiques sont ainsi établies entre les fibres (4) de ces éléments, de façon que ladite bande support (2) soit parfaitement intégrée dans la pâte à papier. Ladite bande support (2) peut présenter occasionnellement une série d'éléments de sécurité, de type pigments (5), éléments synthétiques (6) et/ou des fibres de sécurité (7) de type fibres normalement utilisées dans ce type d'application.

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