Patents Assigned to Isem B.V.
  • Mixing apparatus, having seals which may be satisfactorily cleaned, particularly for the pharmaceutical industry
    Patent number: 4534658
    Abstract: A conical container having an upper cover and a vertical axis is provided with a mixing screw supported at the upper end of the container from a central drive shaft to which the inner end of a radial arm is connected, the outer end of which is connected to the upper end of the mixing screw, so as to extend parallel to the conical container wall and to be driven so as to simultaneously rotate around its axis and revolve around the axis of the container.
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: August 13, 1985
    Assignee: Isem B.V.
    Inventor: Jan W. De Vries