Steel boat hull salvaging assembly

Details Steel boat hull salvaging assembly Steel boat hull salvaging assembly

1976-07-09

1977-10-04

Blix, Trygve M.

Ships

Vessel raising and docking

Submerged

114 53, 114 55, 114222, B63C 708, B63C 718

Patent

active

040517977

ABSTRACT:
An assembly of components that may be used in combination with a salvage vessel to raise a sunken vessel that has a steel hull from the floor of the ocean or other body of water. The sunken vessel is loosened from the ocean floor by detonating explosive charges embedded in the ocean floor by remotely operated devices while the vessel itself is fastened to hoisting cables using explosive charges to drive rivets or bolts into prepared areas of the sunken hull. The sunken vessel is drawn up towards the water's surface while two elongate propeller driven containers of variable buoyancy with a support net therebetween are provided to aid in raising the sunken vessel to a position adjacent the salvage vessel.

REFERENCES:
patent: 1388545 (1921-08-01), Bohan
patent: 2189439 (1940-02-01), Temple
patent: 2384580 (1945-09-01), Wertheimer
patent: 3033149 (1962-05-01), Ashinger
patent: 3088429 (1963-05-01), Johannessen
patent: 3354658 (1967-11-01), Leonardi

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