| 摘要 |
PROBLEM TO BE SOLVED: To preven diffusion and berthing of run-off oil on the sea from vessel, etc., by providing swingable directional control propellers for controlling independent operation with radio operation to the bottoms of oil fence robot ships used for storage and stretch. SOLUTION: Oil fence robot ships 10, 20 and 30 used for storage and stretch are built up into detachable block bodies, the said block bodies can be easily mounted and transported, and they are quickly transported to a run off oil diffusion sea area A to throw down. In that case, storage ship 10 and strech ships 20 and 30 respectively have screws for making independently directional control propulsive operation, and the operation is made with radio signals by remote control. When the run off oil diffusion sea area A occurs in harbors or the open ocean having stormy waves and tides and the sea in the case of stormy weather, an encircling net of an oil fence 41 is stretched by crewless robot ships 20 and 30. For that purpose, run off oil diffusion prevention work can be safely and surely executed. By the constitution, the oil fence 41 surrounding the diffusion sea area A thereby is moved in the offing by remote control, and the seashore pollution caused by run-off oil can be prevented.
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