Patents Assigned to Netzsch Mastermix Limited
  • Cleaning system
    Patent number: 4986293
    Abstract: A mixing and dispersion vessel is provided with an agitator blade shaped to conform to the cross-sectional shape of the vessel, and for the purpose of cleaning the agitator has a passage extending along its length with a number of orifices opening from the passage, and is supplied with solvent through a supply pipe extending to the exterior of the vessel.
    Type: Grant
    Filed: October 25, 1988
    Date of Patent: January 22, 1991
    Assignee: Netzsch Mastermix Limited
    Inventor: Peter Schertenleib
  • Mixing and dispersing apparatus
    Patent number: 4981365
    Abstract: A mixing and dispersing apparatus is shown in FIG. 1 having a supply line 32 to deliver powder to the vessel and open it near the base of the vessel so as to be below the normal liquid level in the vessel. The top of the vessel is connected to a vacuum source and the valve is arranged to be open only when pressure in the vessel is below a predetermined minimum and to close automatically when the pressure rises above that minimum.
    Type: Grant
    Filed: July 14, 1989
    Date of Patent: January 1, 1991
    Assignee: Netzsch Mastermix Limited
    Inventors: Colin F. Bow, Robert W. English