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US 2007/0166452 A1Published application
Method for producing security marks and security marks
AssigneeGAJ Developpement SAS
InventorMichel Levy
Life of this patent
Estimating the term…
Abstract
The invention concerns a method for producing security marks on a support having a first face and a second face opposite said first face which consists in the following steps: high resolution printing with a varnish on the support first face; treating the support by electrolysis; washing and drying the support.
Claims39
1-43. (canceled)
Manufacturing process for security marks comprising:
- providing a medium made of a material which is transparent in visible light;
- applying a coating to one surface of the medium, said coating forming a coated area;
- and
- applying a varnish onto at least part of the coated area of the medium, wherein the varnish is arranged on the coated area of the medium in a motif which is invisible to a naked eye.
1 more element
Facility for the manufacture of security marks, comprising
- means for providing a medium made of a material which is transparent in visible light;
- means for supplying a coating to one surface of the medium, said coating forming a coated area;
- and
- means for applying a varnish onto at least part of the coated area of the medium, wherein the varnish is arranged on the coated area of the medium in a motif which is invisible to a naked eye.
1 more element
Dependencies are inferred from the claim text.