Patents by Inventor Vincent S. La Bianca

Vincent S. La Bianca has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Batch material blender and method therefor
    Patent number: 4307759
    Abstract: A measuring and transferring device for automatically metering predetermined and variable quantities of virgin plastic material, reprocessed plastic material and color concentrate to an extrusion machine. This masterbatch material blender incorporates a rotary conveyor having openings therein that receive and retain predetermined amounts of virgin plastic material and color concentrate in one position of movement of the conveyor and discharge same to the extruder in yet another position of movement thereof. Furthermore, such conveyor is adapted to control yet another reciprocable metering and transfer mechanism that similarly controls the addition of reprocessed material to the batch by way of the same measuring and transferring device.
    Type: Grant
    Filed: October 9, 1979
    Date of Patent: December 29, 1981
    Assignee: Dart Industries Inc.
    Inventor: Vincent S. La Bianca