Security sheet having a coextruded substrate

Details Security sheet having a coextruded substrate Security sheet having a coextruded substrate

B - Operations, Transporting

32

B

B32B 27/20 (2006.01) B29C 55/00 (2006.01)

Patent

CA 2709904

The present invention relates to a sheet (1) having a coextruded substrate (2) made from at least one polymer material, comprising a core layer (10) and at least one skin layer (11; 12), the core layer (10) containing voids (14), the sheet having been printed (20) by gravure printing.

La présente invention concerne une feuille (1) comportant un support (2) coextradé, réalisé à partir d'au moins un matériau polymère, comportant une couche de c ur (10) et au moins une couche de peau (11; 12), la couche de c ur (10) comportant des vides (14), une impression (20) taille-douce ayant été réalisée sur la feuille.

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