Photoluminescent floor tile

  • US 6,841,785 B2
  • Filed: 10/15/2002
  • Issued: 01/11/2005
  • Est. Priority Date: 05/16/2002
  • Status: Expired due to Fees
First Claim
Patent Images

1. A rigid tile comprising:

  • a non-photoluminescent substrate;

    a wear layer having a top surface, and a bottom surface, said bottom surface being bonded to said substrate;

    a non-transparent inorganic material within said wear layer and forming a substantial portion of said wear layer;

    a thermoplastic resinous binder within said wear layer, the weight of said inorganic material being substantially greater than the weight of said resinous binder, the ratio of said inorganic material and said resinous binder being about 4.5; and

    a photoluminescent material within at least an upper portion of said wear layer, adjacent to the top surface such that said wear layer illuminates after ambient light has been removed.

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