WORKING CYLINDER OF BEAD MILL Russian patent published in 1994 - IPC

FIELD: grinding of pasty materials. SUBSTANCE: working cylinder of bead mill has outer shell 11 and inner shell 12 with space in between intended for circulation of coolant, system of valves to regulate coolant circulation parameters in jacket and system of valves to deliver material to be ground into working chamber with central hole for installation of working rotor 2 and base. Shell 12 has lining in form of separate ring members 13 made of ceramic material with stress compensators in between. Compensators can be made in form of cemented joint or perforated ring made of plastic metallic material, for instance, of aluminium alloy. EFFECT: increased wear resistance in manufacture of nitrocellulose enamel paints. 3 cl, 3 dwg