Patent ID: 8677894
Filing Date: 2014-03-25
Classification: B02C,C11B

Abstract:
1. A device for processing aggregate material comprising: a housing having an inlet for receiving aggregate material, the housing having a central longitudinal axis and an inner wall; a driving shaft having a rotation axis coinciding with said central longitudinal axis within said housing; an eccentric segment, which is rigidly connected to the driving shaft, so that it rotates with the driving shaft eccentrically; a crushing drum mounted on said eccentric segment within said housing to rotate with the eccentric segment, wherein the drum has a peripheral wall dimensioned to leave a gap between said peripheral wall and said inner wall of said housing, wherein the size of the gap at any point on the inner wall varies between a minimal size to a maximal size as the drum is rotated; a final grinder located within said housing downstream of said crushing drum, the final grinder comprising a perforated plate having at least one opening and at least one blade or wing rigidly connected to said driving shaft upstream of said perforated plate.