Mining or in situ disintegration of hard material – With separation of materials – Separation below surface of earth or water
Patent
1985-08-19
1987-03-24
Crowder, Clifford D.
Mining or in situ disintegration of hard material
With separation of materials
Separation below surface of earth or water
37DIG8, 209390, E02F 392
Patent
active
046520554
ABSTRACT:
A device for collecting manganese nodules or the like from the ocean floor having a frame that is drawn across the ocean floor, a cylinder rotating around a horizontal axis which has on its circumference brushes for picking up manganese nodules in the circumferential direction. A screen surrounds the rear half of the cylinder. Hook-like rods mounted on the screen terminate in prongs pointing in the traction direction for digging out manganese nodules. The bristles can be made of bronze and are in the form of ribs running in the axial direction of the cylinder. Because of the brushes, the jamming of the nodules is prevented and at the same time a cleaning action is performed on the nodules.
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patent: 4408404 (1983-10-01), Latimer
Amann Hans
Bath Axel
Crowder Clifford D.
Preussag Aktiengesellschaft
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