Patents Assigned to Recycled Glass Products, Inc.
  • Foamed glass manufacture
    Patent number: 5516351
    Abstract: A foamed glass product and its manufacturer are disclosed. According to the present invention, crushed glass particles and a foaming agent, preferably selected from CaCO.sub.3 and CaSO.sub.4, are provided. The glass particles and foaming agent are mixed and heated to a desired foaming temperature for creating foamed glass. A nonreactive gas having desired insulative properties, preferably selected from SO.sub.2 and CO.sub.2 is provided to sweep air away from the mixture during heating.
    Type: Grant
    Filed: August 5, 1994
    Date of Patent: May 14, 1996
    Assignee: Recycled Glass Products, Inc.
    Inventors: David Solomon, Michael Rossetti