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Security enclosure manufacture

  • US 5,539,379 A
  • Filed: 03/03/1995
  • Issued: 07/23/1996
  • Est. Priority Date: 09/22/1992
  • Status: Expired due to Term
First Claim
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1. A method of forming a security enclosure (20) comprising the steps:

  • providing a first electrically insulating sheet (60) carrying a layer (56) of electrically responsive material on one side;

    providing detection means (80) for detecting separation of the electrically responsive material from the sheet (60);

    connecting said detection means (80) to the layer (56);

    folding said first electrically insulating sheet (60) to define an inner enclosure with said electrically responsive layer (56) extending over an external surface thereof and said detection means (80) located therewithin;

    providing a second electrically insulating sheet (44);

    providing adhesive material (46,

         54) on at least one of said external surface and said second electrically insulating sheet (44); and

    wrapping said second electrically insulating sheet (44) about said inner enclosure to encapsulate said inner enclosure.

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