Patents Assigned to Renewed Materials Industries, Inc.
  • Process and apparatus for extruding mixtures of thermoplastic and thermoset materials and products made therefrom
    Patent number: 5523328
    Abstract: Disclosed as one embodiment is a method of producing useful articles from ground whole tire waste, which includes the steps of continuously extruding a heated mixture of ground whole tire waste and thermoplastic binder material into a continuously cooled, open-ended casting chamber. The apparatus for practicing this embodiment includes an extruder, a transition nozzle having an outlet with a cross-section corresponding to the desired cross-section of the useful article, and a casting chamber being constructed and arranged to remove thermal energy from an inner surface of the casting chamber.
    Type: Grant
    Filed: May 16, 1994
    Date of Patent: June 4, 1996
    Assignee: Renewed Materials Industries, Inc.
    Inventors: James E. Rosenbaum, Frank R. Keith
  • Process for extruding mixtures of thermoplastic and thermoset materials
    Patent number: 5312573
    Abstract: Disclosed as one embodiment is a method of producing useful articles from ground whole tire waste, which includes the steps of continuously extruding a heated mixture of ground whole tire waste and thermoplastic binder material into a continuously cooled, open-ended casting chamber.
    Type: Grant
    Filed: April 24, 1992
    Date of Patent: May 17, 1994
    Assignee: Renewed Materials Industries, Inc.
    Inventors: James E. Rosenbaum, Frank R. Keith