Patents Assigned to Lawter International, Inc.
  • Bulk bag handling and discharging apparatus
    Patent number: 5069596
    Abstract: A method and apparatus for handling and discharging bulk bags allowing dosage control is disclosed. A bulk bag is hung from a maneuverable frame with a pair of winches mounted thereon. After opening the bottom of the bag, actuation of the winches tightens a cable looped around the lower portion of the bag to restrict the flow of material out of the opening. A bulk bag specially adapted for the method is also disclosed.
    Type: Grant
    Filed: July 10, 1990
    Date of Patent: December 3, 1991
    Assignee: Lawter International, Inc.
    Inventors: Hermann Mueller, Timothy J. Hendron, David Dawood