GRINDING DEVICE Russian patent published in 1994 - IPC

FIELD: mechanical engineering. SUBSTANCE: device has case 1 which communicates with initial product feed and ground product removing systems. Flexible hose 2 is mounted in the case, the ends of the hose are turned inside out and are fastened along the perimeter of the case forming a first cavity parted by first partition 4 which communicates with the compressed working agent feed system. Second partition 8 is mounted in a second cavity communicated to the initial product feed and ground product removing systems. The case may be made in the form of a closed pipe. EFFECT: improved structure. 2 cl, 1 dwg