Rotary printing machine for security papers
AssigneeDe La Rue Giori S.A.
InventorsFausto Giori, Johannes Schaede
Life of this patent
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Abstract
The web fed or sheet fed printing machine for security papers, in particular banknotes, possesses a principal printing group. It further has an additional, independent printing group (20) placed upstream of the principal printing group in the feed direction of the paper and allowing a pattern in at least one predetermined color to be printed over the entire width of the paper before the paper passes into the principal printing group.
Claims7
A web fed or sheet fed printing machine for security papers, in particular banknotes, comprising a principal printing group with a feed direction for paper of a certain width and at least a cylinder (2), wherein the machine comprises an additional, independent printing group (20) placed upstream of said principal printing group in the feed direction of the paper, said additional printing group comprising at least an impression cylinder and allowing a pattern in at least one predetermined color to be printed over the entire width of the paper before the paper passes into the principal printing group and wherein the diameter of the impression cylinder (21) of the additional printing group (20) is equal to 2/3 of the diameter of the cylinder (2) of the principal printing group.
Dependencies are inferred from the claim text.