Material crusher

Details Material crusher Material crusher

2005-08-09

2005-08-09

Tolan, Ed (Department: 3725)

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

C241S253000, C241S261300, C241S297000, C241S298000

Reexamination Certificate

active

06926216

ABSTRACT:
A material crushing device including rotating rotors having first and second crushing surfaces which converge to a nip. One or both of the crushing surfaces may include projections and one or more of the crushing surfaces includes channels disposed at the nip for ejection of crushed material. The channels may be angled into the direction of rotation of the rotors to direct crushed material therethrough.

REFERENCES:
patent: 5683048 (1997-11-01), Virving
patent: 5829698 (1998-11-01), Canada
patent: 5967431 (1999-10-01), Stafford et al.
patent: 6170771 (2001-01-01), Healey
patent: 6422496 (2002-07-01), Doelle
patent: 6502774 (2003-01-01), Johansson et al.

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