Mechanical grinding apparatus

Details Mechanical grinding apparatus Mechanical grinding apparatus

1996-11-18

1998-12-08

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241260, B02C 1900

Patent

active

058458557

ABSTRACT:
A mechanical grinding apparatus of the present invention, which includes a rotor supported by a rotary shaft and having a plurality of grooves defined on the outer peripheral surface thereof and a liner inserted to the outside of the rotor so as to form a desired gap between the liner and the rotor and having a plurality of grooves defined on the inner peripheral surface thereof for grinding a substance to be ground in the gap, is characterized in that the grooves of at least one of the rotor and the liner incline in a direction preventing the flow of the substance to be ground with respect to a direction parallel with a rotary shaft. Since the mechanical grinding apparatus of the present invention can make a ground substance having a small particle size, no large particles mixed therein and a sharp particle size distribution width at a high efficiency, the grinding apparatus is preferably applicable to powder composed of resin or mainly composed of resin to be finely ground.

REFERENCES:
patent: 27246 (1860-02-01), Sweet
patent: 3305183 (1967-02-01), Morden
patent: 3806050 (1974-04-01), Cumpston, Jr.
patent: 5269471 (1993-12-01), Yamagishi

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