Air conveying apparatus

Air lock valve for pneumatic conveying system

Air return for venturi system

Apparatus for controlling air flow in an air duct

Apparatus for separating opened fibre flocks from a transporting

Apparatus for separating suspended fibrous material

Apparatus for the continuous disposal of waste materials generat

Appliance for the decantation and recovery of powdery products i

Bulk material feeder provided with internal cleaning mechanism

Bulk material receiver

Centrifugal discharger for waste materials having a low weight/a

Closure device for a conveying unit operating in a vacuum

Constant vacuum barge unloading system

Cyclone separating method and apparatus

Cyclone separator with accelerator plate for pneumatic conveyor

Duct and flop-gate construction and method of handling dust or o

Ejector, fine solid piece recovery apparatus and fluid conveyor

Fast discharge and introduction devices for a tight insulator

Feed chute for fiber tufts

Fuel particle separator disposed upstream from a boiler, and...