Floating and nonsubmersible nautical craft

Details Floating and nonsubmersible nautical craft Floating and nonsubmersible nautical craft

1982-02-17

1985-01-22

Blix, Trygve M.

Ships

Building

Observation boats

114123, 114 61, B63B 3572

Patent

active

044944721

ABSTRACT:
A floating, nonsubmersible nautical craft has a hull provided with portholes for observation of the underwater medium. It is buoyed and stabilized, and its draft can be varied. The hull and the apparatus by which it is buoyed and stabilized have a modular structure in transverse sections. The hull is generally tubular in shape, flattened laterally, with a horizontal main axis, with a succession of portholes on each of its longitudinal flanks.

REFERENCES:
patent: 3137263 (1964-06-01), Sainte-Claire
patent: 3613621 (1971-10-01), McKinley
patent: 3844241 (1974-10-01), Black et al.
patent: 3996874 (1976-12-01), Winch
patent: 4276851 (1981-07-01), Coleman
patent: 4411213 (1983-10-01), Laukien
patent: 4423695 (1984-01-01), Rougerie

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