Semi-submersible vessel having a sealed closed chamber of trunca

Details Semi-submersible vessel having a sealed closed chamber of trunca Semi-submersible vessel having a sealed closed chamber of trunca

1978-07-03

1980-09-30

Butler, Douglas C.

Ships

Floating or semi-submersible storage vessel

114264, B63B 3900

Patent

active

042248914

ABSTRACT:
Semi-submersible vessels are described comprising one or more modules each comprising a sealed chamber of annular cross-section, a partially immersable support structure secured to the chamber and a platform or deck carried by the support structure. The support structure is preferably comprised by a network of tubular members and preferably the sealed chamber comprises a plurality of toroidal storage reservoirs and ballast tanks. The support structure and chamber can together be in the form of a truncated ovoid narrow end uppermost. In an alternative embodiment the chamber is in the form of an inverted bowl and receives a dome like storage reservoir therein.

REFERENCES:
patent: 3673975 (1972-07-01), Strauss
patent: 3830176 (1974-08-01), Arita et al.
patent: 3949693 (1976-04-01), Bauer et al.
patent: 4010704 (1977-03-01), Mayo et al.

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