Method for submerging an equipment of negative buoyancy

Details Method for submerging an equipment of negative buoyancy Method for submerging an equipment of negative buoyancy

1978-05-18

1981-06-09

Halvosa, George E. A.

Ships

Building

Canal and ferry boats

114242, 114293, 405171, B63B 2152

Patent

active

042715504

ABSTRACT:
The equipment is connected through a line to an auxiliary buoyant element to form an assembly of positive buoyancy, the equipment to be submerged and the auxiliary element being at first held in spaced relationship. The equipment is thereafter dropped into water, the length of the connecting line being so limited that the equipment then becomes suspended in water under the auxiliary element without reaching the water bottom. The location of the assembly is then optionally adjusted, and its buoyancy is reduced to a negative value.

REFERENCES:
patent: 2783027 (1957-02-01), Gilbert
patent: 2908141 (1959-10-01), Marsh, Jr.
patent: 3173271 (1965-03-01), Wittgenstein
patent: 3566426 (1971-03-01), Davidson et al.
patent: 3613616 (1971-10-01), Basset
patent: 3657752 (1972-04-01), Davidson et al.
patent: 3667417 (1972-06-01), Clinkenbeard
patent: 4048686 (1977-09-01), Ege
patent: 4063430 (1977-12-01), Lamy

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