Process and apparatus for recovering sunken wrecks

Details Process and apparatus for recovering sunken wrecks Process and apparatus for recovering sunken wrecks

1975-12-19

1977-06-28

Blix, Trygve M.

Ships

Vessel raising and docking

Submerged

43 6, 114 168, B63C 702

Patent

active

040318400

ABSTRACT:
The present disclosure relates to a method and apparatus for recovering sunken wrecks. More particularly, the present invention concerns a method and apparatus for recovering sunken wrecks wherein a harpoon is launched from a submarine device, implants itself in the wreck and is provided with a rope and means for fastening a pull cable. The end of the rope which is remote from the harpoon is floated to the surface. An apparatus placed at the end of the pull cable is caused to descend along the rope, and at the end of the stroke the apparatus automatically fastens itself to the harpoon. Thereupon, the wreck is pulled up by means of the pull cable.

REFERENCES:
patent: 1393894 (1921-10-01), McGill
patent: 1491984 (1924-04-01), Cowles
patent: 1811241 (1931-06-01), Morey
patent: 2347690 (1944-05-01), Kannenberg
patent: 3039410 (1962-06-01), Rimar
patent: 3102525 (1963-09-01), Englis
patent: 3210880 (1965-10-01), Grenier
patent: 3680243 (1972-08-01), Braun

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