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Artificial stone and method of making same

  • US 10,035,730 B2
  • Filed: 05/18/2015
  • Issued: 07/31/2018
  • Est. Priority Date: 07/12/2010
  • Status: Active Grant
First Claim
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1. An artificial stone comprising:

  • a relatively lightweight molded stone having an appearance of stone on at least one surface;

    said molded stone having a substantially sand-free homogeneous mixture of;

    cement being between about 50-89% by weight of said mixture wherein said cement includes slag; and

    ,expanded glass particulate being between about 9-45% by weight of said mixture;

    said expanded glass being a plurality of generally spherical shaped beads, said beads having a diameter size range of about 10 percent to about 50 percent being about ¼

    to about 1 millimeter, and about 50 percent to about 90 percent being about 1 to about 6 millimeters in diameter.

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