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Releasable fastener system

  • US 7,032,282 B2
  • Filed: 11/26/2002
  • Issued: 04/25/2006
  • Est. Priority Date: 10/19/2002
  • Status: Active Grant
First Claim
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1. A releasable fastener system comprising:

  • a loop portion comprising a support and a loop material disposed on a surface thereon;

    a hook portion comprising a support, and a plurality of hook elements attached to the support, wherein the plurality of hook elements comprises a first portion fabricated from a shape memory material and at least one additional portion fabricated from a different shape memory material; and

    an activation device coupled to the plurality of hook elements, the activation device being operable to selectively provide an activation signal to the plurality of book elements to change a shape orientation, a yield strength property, a flexural modulus property, or a combination thereof to reduce a shear force and/or a pull-off force of an engaged hook and loop portion.

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