Title:
EQUIPMENT FOR MINING ORE FROM SEA BOTTOM
Document Type and Number:
Japanese Patent JPS60212591
Kind Code:
A
Abstract:
Apparatus for extracting ores from the sea bed, comprising a surface ship (1) supplying the power required for the operation of the under-water assembly and for storing the ore, a relay unit (30) connected to the ship (1) by a conduit (3, 4) for raising the ore and including ore storage, sorting and intermediate washing facilities and means for raising the ore, and vehicles (50) for travelling along the sea bottom (2) and each comprising a propulsion system and an ore pick up, washing and treating system. The apparatus also comprises an intermediate under-water station (20) interposed between the surface ship (1) and the relay unit (30) and immersed at a predetermined depth below the level of the water, so as to be always unaffected by the swell. The invention is applicable to the picking up of polymetallic nodules at great depth.
Inventors:
JIYAN PIEERU MOROO
Application Number:
JP3626585A
Publication Date:
October 24, 1985
Filing Date:
February 25, 1985
Export Citation:
Assignee:
SHIYANTEIEERU DEYU NOORU E DO
International Classes:
E02F3/88; E02F7/00; E21C45/00; E21C45/02; E21C50/00; (IPC1-7): E21C45/00
Attorney, Agent or Firm:
Minoru Nakamura
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