DEVICE FOR FINELY DIVIDING MATERIALS Russian patent published in 1995 - IPC

FIELD: material disintegration. SUBSTANCE: device has frame, toroidal casing with loading and unloading sleeves, working organ having cylindric helical springs, driven and driving shafts, transmission mechanism concentrically arranged one relative to the other. The transmission mechanism is provided with at least one additional toroidal casing with working organ and compression device. One of supporting members is positioned in the upper part of each toroidal casing near the drive. The other supporting member is in the lower part of toroidal casing. Each supporting member is made in form of ring- shaped bearing body. The cylindric spring has bending radius equal to 30 times the external diameter of the external spring. EFFECT: enhanced effectiveness in finely dividing materials. 3 cl, 3 dwg