Hydraulic and earth engineering – Diving
Patent
1979-11-21
1981-09-01
Novosad, Stephen J.
Hydraulic and earth engineering
Diving
114258, B63C 702, B63C 1100, B63C 1144
Patent
active
042868963
ABSTRACT:
A diving bell deployment structure includes a launch tube for a diving bell, the bell having a supporting bell hoist wire. A boom is positioned from the structure to a point vertically above the desired underwater deployment position, and carries a boom hoist wire which is capable of connecting to the bell through the base of the launch tube. Differential pay out of the boom hoist wire and bell hoist wire allows exit of the bell from the launch tube and lateral deployment of the boom and launch tube.
REFERENCES:
patent: 904241 (1908-11-01), Watson
patent: 3641776 (1972-02-01), Diamond
patent: 3754404 (1973-08-01), Moore
patent: 3807334 (1974-04-01), Egeberg
patent: 3851492 (1974-12-01), Cannon et al.
patent: 4087980 (1978-05-01), Kono
patent: 4111313 (1978-09-01), Reiher et al.
patent: 4170429 (1979-10-01), Mathieu
Melitz Daniel T.
Searle Kenneth L.
Woodman Brian E.
Novosad Stephen J.
The British Petroleum Company Limited
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