Ammunition and explosives – Igniting devices and systems
Patent
1974-10-04
1976-06-01
Tudor, Harold
Ammunition and explosives
Igniting devices and systems
102 6, 102 377, 102 66, 149 18, 149 1991, 149 84, 149 85, 149116, F42B 1344
Patent
active
039600874
ABSTRACT:
A pyrotechnic signal providing smoke and flame and which is launchable from nderwater. Launching of the signal from underwater arms the signal, however, the signal is not initiated until the ambient sea pressure reaches a predetermined pressure valve. When this predetermined pressure valve is reached, sea water enters a cavity and energizes a battery which detonates an electric squib. The squib, in turn, ignites a smoke composition in the signal housing.
REFERENCES:
patent: 2423859 (1947-07-01), Van Karner
patent: 2545275 (1951-03-01), Griffith
patent: 2595757 (1952-05-01), Brandt
patent: 2628897 (1953-02-01), Vinton
patent: 3196789 (1965-07-01), Fasig et al.
patent: 3199453 (1965-08-01), Fasig et al.
patent: 3338763 (1967-08-01), Kristal et al.
patent: 3634152 (1972-01-01), Yanagesawa
patent: 3722407 (1973-03-01), Fogal et al.
patent: 3766858 (1973-10-01), Handler et al.
Beatty Bobby D.
Daniel Russell D.
Humerickhouse Billy J.
Norris Gary G.
Collignon Paul S.
Sciascia R. S.
The United States of America as represented by the Secretary of
Tudor Harold
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