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SUPPORT AND DRAINAGE MATERIAL, FILTER, AND METHOD OF USE

  • US 20200129892A1
  • Filed: 10/24/2018
  • Published: 04/30/2020
  • Est. Priority Date: 10/24/2018
  • Status: Active Grant
First Claim
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1. A support and drainage material comprising:

  • a first element comprising a mesh or a non-woven fabric having a first end and a second end, and at least a first section and a second section,the first section having a first major surface extending from the first end to the second end, and a second major surface extending from the first end to the second end;

    the second section having a first major surface extending a distance from the first end toward the second end, wherein the distance is less than a distance from the first end to the second end, and a second major surface extending a distance from the first end toward the second end, wherein the distance is less than the distance from the first end to the second end;

    and,a bulk through the element, extending between the first major surface of the second section and the second major surface of the first section, the bulk having a thickness extending from the first end to the second end;

    the bulk having a greater thickness at the first end and a lesser thickness at the second end.

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