Agitating – In vacuum chamber
Patent
1989-07-14
1991-01-01
Jenkins, Robert W.
Agitating
In vacuum chamber
366314, B01F 1306
Patent
active
049813650
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.
REFERENCES:
patent: 4444508 (1984-04-01), Kreuer
patent: 4486100 (1984-12-01), Endo
patent: 4653568 (1987-03-01), Baldelli
Bow Colin F.
English Robert W.
Jenkins Robert W.
Netzsch Mastermix Limited
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