B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
259/58
B01F 7/02 (2006.01) B01F 3/18 (2006.01) B01F 15/02 (2006.01)
Patent
CA 1084901
INVENTION: CHAMBER SIDEWALL MOUNTED STIRRER CONTINUOUS DISTRIBUTOR SYSTEM INVENTOR: WALTER KRAMER ABSTRACT An apparatus is disclosed for continuous distribution of at least one additive, in a particulate master or base material. In the apparatus a rotary distributor disposed in a stationary chamber moves along a circular path in a substantially vertical plane that is normal to the horizontal axis of rotation of the distributor. The particulate master is fed into the chamber through a first inlet arranged below the upper horizontal tangent line of the circular path of the distributor, while additive is fed into the chamber through at least one second inlet above the tangent line, the input flow rates and the output flow rate through an outlet in the bottom part of the chamber being so controlled as not to exceed a maximum charge level substantially defined by the above-mentioned tangent line and to form an inclined upper surface of the processed charge within the chamber for over- rolling movement of the particles of the master with concurrent interblending of the additive supplied onto the inclined upper charge surface. The apparatus is particularly suited for continuously interblending a minor amount of at least one additive and a major or predominant amount of a master or base material of the type used in pastics processing, notably for coloring or the like modification of a plastics material or composition prior to extrusion or another plastics shaping operation.
294418
Kramer Walter
Ridout & Maybee Llp
LandOfFree
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