ECCENTRIC CONE CRUSHER FOR FINE CRUSHING Russian patent published in 1997 - IPC

FIELD: making ballast from various rocks. SUBSTANCE: cone crusher with crushing chamber formed by working surfaces of crushing cone and adjustment ring linings is characterized by that the lower part of the working surface of the adjustment ring lining is made in the form of a straight truncated cone. The angle between the generators of conical surfaces of the linings varies within 5 to 11 deg and the length of the final crushing zone is from 1/3 to 1/2 of the total length of the crushing chamber. EFFECT: excluded excessive crushing, reduced waste and increased commercial output. 2 cl, 2 dwg