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Barbed tape

  • US 6,601,830 B1
  • Filed: 08/18/2000
  • Issued: 08/05/2003
  • Est. Priority Date: 08/18/2000
  • Status: Expired due to Term
First Claim
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1. A barrier structure comprising a continuous piece of elongated metal tape, said metal tape comprising:

  • an elongate body defining a longitudinally extending channel and an elongate flange extending transversely from each side of said channel;

    barb roots spaced along said tape and secured to said flanges;

    a pair of tapered barbs secured to a barb root, said pair of tapered barbs extending in opposing longitudinal directions, and each of said tapered barbs forming a barb point;

    a first region of said elongate body adjacent to the barb root;

    a second region of said elongate body adjacent to the first region distal from the adjacent barb root;

    a third region of said elongate body adjacent to the second region distal from said first region, the third region extending lengthwise from the second region and meeting a corresponding third region extending lengthwise away from another second region;

    wherein the second region extends transversely and inwardly from said first region to the third region;

    wherein a width of the flanges in the first region is greater than a width of the flanges in the second region, and wherein a width of the flanges in the third region is greater than the width of the flanges in the second region; and

    wherein a width of the flanges in the first region is equal to the width of the flanges in the third region.

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