Patents Represented by Attorney Jay Deshmukh
  • Patent number: 5807517
    Abstract: An apparatus for heating and blending thermoplastic material prior to delivering the material into the barrel of an extruder. The apparatus, has an elongated housing which contains two intermeshing feed screws that are driven to rotate in the same direction. Controlled heating is provided by electric band heaters which encircle the exterior of the housing, and electric cartridge heating elements fitted into aluminum cores that are received by an axial bore in each of the feed screws.
    Type: Grant
    Filed: April 8, 1997
    Date of Patent: September 15, 1998
    Assignee: Cincinnati Milacron Inc.
    Inventors: Siegfried R. Wissmann, William T. Schmitt, David E. Murdock