Milling system

Solid material comminution or disintegration – Apparatus – Loose grinding body comminutor

Reexamination Certificate

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Reexamination Certificate

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07857247

ABSTRACT:
A milling apparatus containing a radially symmetrical sleeve having an axial passageway with an upstream inlet and a downstream outlet or vice versa, a radially symmetrical rotor located within the sleeve, one of the rotor and sleeve being rotatable relative to the other, the diameter of the rotor being less than the diameter of the sleeve at each axial position to define an annular passageway between the rotor and sleeve, one or both of the surfaces of the rotor and sleeve having formations adapted to increase the surface area encountered by particles in a fluid flow from the inlet to the outlet.

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