B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
241/34
B02C 2/04 (2006.01)
Patent
CA 1191822
ABSTRACT OF THE DISCLOSURE A crusher with rotary crusher plates and a vertical main axis has plates disposed one above the other and spaced apart to form between the plates an annular slot having radial, outwardly converging crushing surfaces. Said plates are rotatable about axes which are non-parallel; the lower plate is driven and the upper plate is provided with a central feed opening with a feed funnel projecting downwardly into the opening. During operation, the lower plate is arranged to execute a simultaneous gyrating movement in an opposite direction in relation to its direction of rotation, the number of revolutions per minute of the gyrating movement being substantially higher than the number of revolutions per minute of the lower plate about its axis of rotation. The crushing surface of the lower plate has a central, cone-shaped section which projects upwardly into the central feed opening of the upper plate. A particle introduced into the crusher is there- by subjected to crushing forces up to several times in the crush- ing slot before being flung out of the slot.
426262
Hansen Kolbjýrn
Ridout & Maybee Llp
LandOfFree
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