Security paper highly resistant to double folding and method for making same
AssigneesArjowiggins, Arjowiggins Security
InventorsHenri Rosset, Pierre Doublet
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Abstract
The invention concerns a security paper comprising at least two plies of paper, wherein at least one intermediate layer arranged between the two plies of paper comprises at least one element providing the paper with high double folding resistance, such as defined by the NF ISO 5626 standard, the two plies and said intermediate layer being closely assembled. The invention also concerns a method for making said paper whereby the intermediate layer is deposited by spraying.
Claims19
A security paper comprising at least two plies of paper, in which, at least in one area, at least one interlayer placed between the two plies of paper includes at least one element giving the paper a high double-fold resistance, as defined in the standard NF ISO 5626, said element being in “diffuse” form and/or in the form of particles, and the two plies and said interlayer being intimately joined together.
Dependencies are inferred from the claim text.