Patents Assigned to Plastics Densification, Inc.
  • Treatment of waste
    Patent number: 5240656
    Abstract: A method and an apparatus for treating contaminated plastics waste, comprising densifying contaminated plastics waste by causing the waste to pass through a heating zone to produce molten contaminated plastics, and causing the molten contaminated plastics to flow continuously out of the heating zone under the influence of gravity.
    Type: Grant
    Filed: May 21, 1991
    Date of Patent: August 31, 1993
    Assignee: Plastics Densification, Inc.
    Inventor: David J. Scheeres