Method for raising any object lying on the bottom of the sea, a

Ships – Vessel raising and docking – Submerged

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B63C 708

Patent

active

049862030

ABSTRACT:
Method and apparatus for raising an object from a sea, river or basin bottom. A lifting platform is arranged adjacent the object to be raised, from the platform supporting tubes are arranged at an angle relative to the bottom from 10.degree. to 90.degree. to lay a connection between the lifting platform and the bottom, and boring rods are inserted through the supporting tubes, whereby use is made for boring of a boring device which does not require rotating the boring rods proper, the boring device being bent at such an angle that the boring rods connected thereto are moved along a curve underneath the object to be raised, the boring is then continued until the boring device, having the boring rods connected thereto, projects far enough out of the bottom, and finally use is made of the obtained bore to lead a cable from one to the other side of the object to be raised.

REFERENCES:
patent: 710869 (1902-10-01), Johnson et al.
patent: 747102 (1903-12-01), Vance et al.
patent: 1005408 (1911-10-01), Brown
patent: 1616410 (1927-02-01), Buell
patent: 1776210 (1930-09-01), Wortmann
patent: 1961591 (1934-06-01), McArdle et al.
patent: 4499840 (1985-02-01), Lung-Tung

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