Emergency fireman life-support device

Details Emergency fireman life-support device Emergency fireman life-support device

1977-01-06

1979-01-16

Cohan, Alan

Fire extinguishers

Fluid systems

Distributing systems

239305, 137605, A62C 3100

Patent

active

041344570

ABSTRACT:
In a preferred embodiment of the invention, a fire truck is provided with an adapter for connecting the fire hose to the truck water-pump outlet, and extending from the adapter is an air conduit connected to a compressed-air source for alternate use of the same hose to pump air therethrough as from bottled breathable compressed air whereby trapped firemen may be furnished breathable air through the fire hose normally in their presence, by a mere switching-off the water-valve and opening the air-valve.

REFERENCES:
patent: 2943797 (1960-07-01), Neilson
patent: 3276628 (1966-10-01), Clive
patent: 3317142 (1967-05-01), Casale
patent: 3504858 (1970-04-01), Liddiard
patent: 3878896 (1975-04-01), White

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