PNEUMATIC CONVEYING SYSTEM, COMPRISING A BLOWER, AIRLOCK FEEDER, AND TUBING FOR CONVEYING FLOUR OR POWDERY MATERIALS

Mechanical conveyors for transporting bulk materials; conveyor installations, namely, pneumatic conveyors and hydraulic conveyors; machines in the nature of bulk material conveyors, mechanical apparatus in the nature of bulk material conveyors and installations assembled from these in the nature of bulk material conveyors especially for the chemical, pharmaceutical, plastics, rubber, mineral material, textile, cosmetic and food industry and for power plants; machine parts especially adapted f...