B - Operations – Transporting – 42 – D
Patent
B - Operations, Transporting
42
D
B42D 15/00 (2006.01) B32B 27/32 (2006.01)
Patent
CA 2329734
A laminated multilayer film substrate for use in the production of bank notes having an oriented polypropylene layer and at least one HDPE layer on each side of the oriented polypropylene layer which are pre- weakened to eliminate delamination. The resultant films exhibit good embossability, dead-fold characteristics and other properties, and are difficult to counterfeit, making them highly suited for the production of bank notes and other security documents.
La présente invention concerne un substrat en film multicouche destiné à la fabrication de billets de banque. Ce substrat se compose d'une couche de polypropylène et d'au moins une couche de polyéthylène haute densité (PEHD) de part et d'autre. Ces couches sont pré-affaiblies, ce qui évite les risques de séparation. Les films ainsi produits possèdent diverses qualités - aptitude au gaufrage, résistance aux plis, contrefaçon difficile, etc. - qui les destinent tout particulièrement à la fabrication de billets de banque et autres documents de sécurité.
Borden Ladner Gervais Llp
Mobil Oil Corporation
LandOfFree
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