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Touch fastener products

  • US 7,678,318 B2
  • Filed: 05/21/2008
  • Issued: 03/16/2010
  • Est. Priority Date: 03/02/2004
  • Status: Active Grant
First Claim
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1. A method of forming a molded foam article comprising:

  • providing a mold cavity having a shape corresponding to the shape of the article to be molded, wherein the mold cavity comprises a tapered trench;

    providing a touch fastener comprising a base, a plurality of fastener elements extending from a lower face of a central portion of the base in an array disposed between lateral selvedges of the base;

    positioning the touch fastener along the trench with the selvedges deflected from their unloaded position to extend in face-to-face contact with side walls of the tapered trench; and

    delivering a foamable resin into the mold cavity to form the molded article, the deflected selvedges resisting intrusion of foamable resin into the array of fastener elements.

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