73150420
Dec 1, 1977
Dec 4, 1979
APPARATUS FOR THE STORAGE, CONVEYANCE, TREATMENT, AND CLEANING OF BULK MATERIAL-NAMELY, CONVEYORS, CONVEYOR SCREWS, SHUT-OFFS FOR STARTING AND STOPPING THE FLOW OF COMMINUTED MATERIAL, DISCHARGERS, TUBE SWITCHES, DIVERSION VALVES, [ BUCKET WHEEL LOCKS, ] BLOWERS FOR PNEUMATIC CONVEYING PLANTS, FILTERS AND PARTS THEREOF FOR MACHINES, MIXERS, [ REFINERS, ] AND SCREENING MACHINES
MachineryELECTRICAL CONTROL UNITS FOR BULK MATERIAL STORAGE, CONVEYANCE, TREATMENT AND CLEANING SYSTEMS-NAMELY, CONTROLS FOR SILOS, CONVEYORS, CONVEYOR SCREWS, AUTOMATIC SHUT-OFFS FOR STARTING AND STOPPING THE FLOW OF COMMINUTED MATERIAL, DISCHARGERS, TUBE SWITCHES, DIVERSION VALVES, [ BUCKET WHEEL LOCKS, ] BLOWERS FOR PNEUMATIC CONVEYING PLANTS, FILTERS, AND PARTS THEREOF, MIXERS, [ REFINERS, ] SCREENING MACHINES AND APPARATUS AND APPARATUS FOR MEASURING QUANTITY, AND WEIGHT OR LEVEL OF BULK MATERIALS
Electrical and Scientific Apparatus