Underwater lifting apparatus

Details Underwater lifting apparatus Underwater lifting apparatus

1996-09-18

1998-05-26

Sotelo, Jesus D.

Ships

Vessel raising and docking

Submerged

B63C 700

Patent

active

057551723

ABSTRACT:
An underwater lifting apparatus includes a lift bag having an inflatable bladder which is capable of receiving gas therein for inflating the lift bag, the bladder having a sleeve mounted on its outer surface. A pressurized canister is received within the sleeve of the lift bag for inflating the bladder of the lift bag. The pressurized canister is adapted to store gas under pressure therein. A plurality of valves are provided for delivering pressurized gas from the canister into the bladder of the lift bag, the valves being suitably mounted on the lift bag. Rigging is mounted on the lift bag for securing the lift bag to an object requiring removal from underwater.

REFERENCES:
patent: 3182928 (1965-05-01), Gaylord
patent: 3710746 (1973-01-01), Mcdonald
patent: 4055632 (1977-10-01), Hoffman et al.
patent: 4658745 (1987-04-01), Buccher
patent: 4979451 (1990-12-01), Searle

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