Diving helmet system

Details Diving helmet system Diving helmet system

1972-11-15

1976-12-07

Michell, Robert W.

Surgery

Truss

Pad

2 21R, A62B 1804

Patent

active

039956270

ABSTRACT:
Described is a diving helmet having receptacles for receiving insertable modular valves or plugs for governing gas flow. The receptacles are diametrically opposed on the helmet and are connected by gas conducting conduits. Gas may be supplied to the diver by way of a main supply duct which discharges the gas against the helmet window for defogging purposes. A sealing arrangement is provided with the diver, and particular valves or plugs are inserted into the receptacles in accordance with a particular gas supply system being utilized.

REFERENCES:
patent: 968232 (1910-08-01), Bentz
patent: 2388604 (1945-11-01), Eisenbud
patent: 2388674 (1945-11-01), Browne
patent: 2626602 (1953-01-01), Buie
patent: 2764151 (1956-09-01), Cupp
patent: 3292618 (1966-12-01), Davis et al.
patent: 3293659 (1966-12-01), Shepard
patent: 3348539 (1967-10-01), McDonald
patent: 3362403 (1968-01-01), Fleming et al.
patent: 3474782 (1969-10-01), Cupp

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