Method for applying security elements true to side

Details Method for applying security elements true to side Method for applying security elements true to side

B - Operations, Transporting

41

M

B41M 3/14 (2006.01) D21H 21/42 (2006.01) D21H 21/48 (2006.01)

Patent

CA 2058268

- 30 - Abstract The present invention relates to a method for producing papers of value having embedded security elements, in par- ticular safeguarding threads with characters or optically active structures in the form of hologram, diffraction or interference structures, and to apparatus for carrying out the method. The invention is characterized by the fact that the security elements are incorporated true to side during papermaking and are also embedded in the paper of value so as to be accessible over the entire surface, if desired, whereby the paper surface forms a plane with the surface of the security element.

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