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Device for defacing valuable documents and cases for automatic banknote dispensers fitted with such device

  • US 5,156,272 A
  • Filed: 07/24/1991
  • Issued: 10/20/1992
  • Est. Priority Date: 07/26/1990
  • Status: Expired due to Fees
First Claim
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1. In combination, an enclosure, a plurality of documents disposed within the enclosure, and a device associated with said enclosure for defacing said documents when security afforded by said enclosure to said documents is breached;

  • each of said documents being bounded by cut edges, said documents being disposed in generally vertical planes and being arranged face-to-face in a stack having an upper surface;

    said device including a spongy element disposed above said stack in close proximity to the upper surface thereof, a tank operative associated with said element, and a defacing liquid normally stored in said tank;

    said liquid being released to soak said element upon breaching of said security whereby said liquid migrates through said element to said upper surface, and contacts those of said cut edges that are disposed at said upper surface and migrates between said documents to deface same.

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