FIELD: textile, paper.
SUBSTANCE: counterfeit-proof paper comprises a transparent, at least at some areas, film element, which is freely accessible, at least at some areas, via counterfeit-proof paper. The film element is connected to counterfeit-proof paper by means of an adhesive layer, which is highly transparent and clear in the region of freely accessible areas. The adhesive layer for at least one of freely accessible areas includes a groove, which substantially covers this area surface. The groove in the form of a freely accessible area has an adhesive layer, which is 1-2 mm less or 1-2 mm more than this area. The adhesive layer in the area of at least one of freely accessible areas, apart from the groove, has an ornamental area, on which the adhesive layer is applied in the form of ornaments, symbols or a code. Also a film elements is proposed, and a method to manufacture counterfeit-proof paper or a valuable documents (its version).
EFFECT: improved counterfeit protection of paper.
70 cl, 20 dwg
Authors
Dates
2011-09-10—Published
2008-04-24—Filed