Ammunition and explosives – Igniting devices and systems
Patent
1978-06-20
1980-09-02
Brown, David H.
Ammunition and explosives
Igniting devices and systems
F42B 310, C06C 300
Patent
active
042200881
ABSTRACT:
A safe static-resistant electric initiator is constructed by clamping the fitting portion of a cup having a bottom with a protruding part of a plug and the open part of a loaded shell corresponding to said plug. The electric initiator comprises an ignition device and a loaded shell having said ignition device at its open part, said ignition device comprising the cup having a bottom which is breakable by the ignition flame of an ignition composition, an ignition composition filled in said cup, the protruding part for supporting said cup and the plug provided with a bridge wire at the portions of the terminal bared parts of two leg wires which pass through the insides of the plug and said protruding part. Further, for obtaining a superior characteristic of static resistance, the material of said cup is selected, and the clamping ratio of said cup to the protruding part of the plug provided with a bridge wire and the ratio (l/a) of the fitting length (l) between said cup and said protruding part of the plug, to the outside diameter (a) of said cup, are limited to give the most effective ranges.
REFERENCES:
patent: 2842059 (1958-07-01), Plumley et al.
patent: 2878752 (1959-03-01), Johnson et al.
patent: 2999460 (1961-09-01), Stinger et al.
patent: 3101669 (1963-08-01), Gatley et al.
patent: 3272127 (1966-09-01), Betts et al.
patent: 3867884 (1975-02-01), Langrish-Smith
Izawa Nobuyuki
Kimura Michio
Sakuma Nobuaki
Asahi Kasei Kogyo Kabushiki Kaisha
Brown David H.
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