Equipment transporting bulk material deposited underwater to surface - uses buoyant hose and spare hose with length determined by head, is looped on surface
DE3005669A1
DEVICE FOR CONVEYING SHEET-CAPABLE GOODS, ESPECIALLY SAND STORED UNDER WATER, GRAVEL OR THE LIKE.
DE2916231A1
Bulk material conveyor tube stop valve - has elastic sleeve expanded in connectable housing by pressure medium
DE2906562A1
Dredging or lifting system for bulk material - lifts material stored under water using container filled by action of water pressure
DE2854968A1
Conveyor installation for bulk goods below water - has conveyor head connected to pressure supply and includes inlet and conveyor pipes with additional water inlets
DE2854925A1
Bulk goods conveyor installation to move goods between sea and land - is fitted with air pressure nozzle to lift bulk goods from conveyor pipe into top of storage silo
DE2805286A1
Separator for slurries of particulate solids - having flexible pipe held between two concave shells mounted on eccentric shafts to give upward movement to solids
DE2706237A1
Underwater sand delivery equipment - has valve controlling intermittent air supply from receiver and continuously running compressor
DE2706264A1
Underwater sand and gravel extractor - has hydraulic motor driven bucket wheel with pressurised oil supplied to bearings to exclude dirt
DE2547636A1
Paddle conveyor for water immersed granular material - has central open collection chamber in motor driven blade wheel (NL 26.4.77)
DE2355831A1
DEVICE FOR CONVEYING BAG GUARDS
DE2344685A1
Underwater gravel conveyor installation - conveyor head connected to pressure medium
DE2241526A1
DEVICE FOR CONVEYING BAG GUARDS
CA958423A
Dredging machinery with swinging double ended scoop
