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Pleated aligned web filter

  • US 20050217226A1
  • Filed: 04/05/2004
  • Published: 10/06/2005
  • Est. Priority Date: 04/05/2004
  • Status: Abandoned Application
First Claim
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1. A filter element that comprises:

  • a nonwoven filtration web that has rows of folded pleats and that contains thermoplastic fibers, a majority of which fibers are aligned at 90°

    ±

    20°

    with respect to the row direction.

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