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(11) | EP 0 867 210 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Coupon or similar element arranged to conceal one message to be deliberately unhidden and a process for accomplishment of same |
| (57) It is provided a coupon or similar element arranged to conceal one message to be
deliberately unhidden, comprising a base sheet (2) and a cover sheet (5) coupled with
the base sheet (2) and provided with at least one area (6) to be removed by tearing
off and disposed in register with a message reproduced on the base sheet (2). Also
provided is a process for making a coupon or similar element arranged to conceal one
message to be deliberately unbidden, comprising a step of reproducing at least one
message on a base sheet (2) and consisting in carrying out coupling between the base
sheet (2) and the cover sheet (5) and arranging an area (6) in the cover sheet (5)
which is disposed in register with the message and is adapted to be removed by tearing
off. |