Patents by Inventor Norman J. Paulson

Norman J. Paulson 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).

  • Patent number: 4840205
    Abstract: A machine for dispensing liquids, especially for filling cartons at a higher rate of speed, is disclosed. The machine includes three bellows arranged in vertical alignment, with upper and lower sleeves interposed between the bellows. The discharge nozzle is located below the lowest bellows. The upper sleeve moves axially relative to the nozzle to control the opening and closing of the discharge valve. The lower sleeve also moves axially to control the filling and recharging of the bellows directly above the discharge nozzle. The method of operating the components in timed relation to achieve effective and efficient carton filling, as well as draining and cleaning, is disclosed.
    Type: Grant
    Filed: July 8, 1988
    Date of Patent: June 20, 1989
    Assignee: Tetra Pak Finance & Trading S.A.
    Inventors: Gunnar Drevfors, Donald G. Corniea, Norman J. Paulson