Solid material comminution or disintegration – Apparatus – Loose grinding body comminutor
Reexamination Certificate
2009-09-10
2011-10-04
Rosenbaum, Mark (Department: 3725)
Solid material comminution or disintegration
Apparatus
Loose grinding body comminutor
C241S172000
Reexamination Certificate
active
08028943
ABSTRACT:
An agitating ball mill includes a comminution vessel surrounding an agitating shaft which is provided with a product inlet and a product outlet, wherein the comminution media located within the comminution vessel is activated through the rotation of the agitating shaft and held back in the comminution chamber by a separating and/or pre-classifying device. For optimum energy and space utilization a pre-crushing device is arranged upstream of the comminution chamber. The pre-crushing device includes either a static or dynamic gap guard.
REFERENCES:
patent: 4534516 (1985-08-01), Hashizume
patent: 4967972 (1990-11-01), Inoue
patent: 5853132 (1998-12-01), Tsuji
patent: 217434 (1985-01-01), None
patent: 4412408 (1995-10-01), None
NETZSCH—Feinmahltechnik GmbH
Rosenbaum Mark
St. Onge Steward Johnston & Reens LLC
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