Extensible barrier to retain a hydrocarbon slick between a fixed

Details Extensible barrier to retain a hydrocarbon slick between a fixed Extensible barrier to retain a hydrocarbon slick between a fixed

1997-01-02

1999-10-26

Bagnell, David J.

Hydraulic and earth engineering

Fluid control, treatment, or containment

Floatable matter containment

E02B 1504

Patent

active

059716606

ABSTRACT:
This invention bode is to confine potential oil spills while transfer in, between a ship and a wharf, or between two ships. It is made of a barrier that is fitted on a IS beam fixed on the wharf on which the barrier can be moved vertically with a float, according to the waterline. This barrier is mobile and detachable, of a mechanical. pneumatic or hydraulic type, and can be easily operated by one man. A waterproof canvas is placed on the mechanical barrier to confine the oil slick; a spring thrusts a shoe against the hull of the ship and is kept in place by magnets. A mechanical arm slides against the hull, with the help of balls. A hydraulic alternative stops oil diffusion by creating a current. A pneumatic alternative uses a curtain of bubbles that burst at the surface and hold the oil while creating a current.

REFERENCES:
patent: 2240567 (1941-05-01), Meachem et al.
patent: 3766738 (1973-10-01), Gaush
patent: 3766739 (1973-10-01), MacLean
patent: 3818708 (1974-06-01), Benson
patent: 3859796 (1975-01-01), Benson
patent: 3906732 (1975-09-01), Tedeschi, Jr.
patent: 4003206 (1977-01-01), Tanksley
patent: 4348136 (1982-09-01), Donovan

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