Base for turf system

  • US 10,982,395 B2
  • Filed: 03/16/2020
  • Issued: 04/20/2021
  • Est. Priority Date: 01/19/2007
  • Status: Active Grant
First Claim
Patent Images

1. An artificial turf system comprising:

  • an artificial turf layer including a turf carpet; and

    a turf underlayment layer comprised of an assembly of panels, the panels including a top side having a plurality of projections, a bottom side, and panel edges, the plurality of top side projections supporting the artificial turf layer and forming top side channels that extend across the top side of the panel to allow drainage of fluid across the top side of the panel, and the bottom side having bottom side channels that extend across the bottom side of the panel to allow drainage of fluid across the bottom side of the panel, the panel edges within the turf underlayment layer abutting and interlocking with edges of adjacent panels, the panels further including a plurality of drain holes positioned through the panel to allow fluid to flow from the top side of the panel to the bottom side of the panel, where the panels are made from a plurality of polyolefin beads, the plurality of polyolefin beads bonded together by at least one of pressure and heat to produce a substantially water-impervious surface.

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