AUTOGENOUS MILL Russian patent published in 1994 - IPC

FIELD: construction materials. SUBSTANCE: autogenous mill has rotary cylinder and radial rows of lifters extending in circular paths. Height of lifters is less than mill radii by a value of basic material lump size. Lifters arranged in rows, may diverge from cylinder body to center, and lifter rows may be offset in parallel relation with respect to themselves in the direction of rotation. EFFECT: enhanced reliability in operation. 2 dwg