Solid material comminution or disintegration – Apparatus – With separation or classification of material
Patent
1998-12-18
2000-08-01
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
With separation or classification of material
241 793, 209 3, 209298, B02C 2310
Patent
active
060954426
ABSTRACT:
An apparatus for screening foreign matter from dry recycled paper includes a feed device with an outlet for discharging the recycled paper. A frustroconical shaped drum has an open wide end positioned adjacent to the discharge outlet for receiving the recycled paper and an open narrow end for discharging the recycled paper. The drum is rotatable during use about an axis of rotation and has a shell with a plurality of foils attached to an inside surface thereof for moving the recycled paper through the drum from the wide end to the narrow end. The shell has a plurality of holes therein which are sized to allow the foreign matter to fall therethrough via gravitational force and to prevent substantially all of the recycled paper from falling therethrough.
REFERENCES:
patent: 1897156 (1933-02-01), Wells
patent: 2983378 (1961-05-01), Hilkemeier
patent: 4538767 (1985-09-01), Pimley
patent: 5593096 (1997-01-01), Harker et al.
Rosenbaum Mark
Voith Sulzer Paper Technology North America Inc.
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