Arrestor for large drifting objects

Hydraulic and earth engineering – Marine structure or fabrication thereof – Structure protection

Patent

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Details

405211, 114219, E02B 322

Patent

active

046627901

ABSTRACT:
An arrestor for reducing the velocity of moving icebergs and the like or large drifting objects relative to an off-shore fixed structure is disclosed. In use, the device extends outwardly from a fixed structure in at least one direction. A frame is adapted to be mounted to the structure in a manner which will allow an extending end thereof to move toward the structure. Nylon ropes or any other suitable elastic members are attached to the frame and to the structure and are utilized to provide an increasingly greater resistive force on the frame as the extending end of the frame is pushed toward the structure by an iceberg. Various embodiments of the general concept are disclosed.

REFERENCES:
patent: 3672175 (1972-06-01), Mason
patent: 3901040 (1975-08-01), Sandberg
patent: 4102144 (1978-07-01), Anders
patent: 4215952 (1980-08-01), Baardsen
patent: 4295758 (1981-10-01), Yashima
patent: 4422804 (1983-12-01), Gerwick et al.
patent: 4433941 (1984-02-01), Gerwick et al.
patent: 4437793 (1984-03-01), Meny
patent: 4446806 (1984-05-01), Loire

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