Initiator cartridge

Details Initiator cartridge Initiator cartridge

1975-04-10

1976-11-30

Brown, David H.

Ammunition and explosives

Igniting devices and systems

102 70R, F42C 900

Patent

active

039942333

ABSTRACT:
An initiator cartridge having a close tolerance time delay mechanism to sctively provide substantially the same predetermined time delay for cartridge propellant ignition at extreme high and low temperatures as at an ambient temperature. A delay element casing has a body that contains a plurality of delay composition columns of predetermined varying lengths. A primer retaining dial is rotatably mounted in the delay case and has a central rearmost primer and a passageway for selectively placing one of the delay columns in fluid communication with the primer.

REFERENCES:
patent: 709854 (1902-09-01), Puff
patent: 993091 (1911-05-01), Meigs et al.
patent: 1533756 (1925-04-01), Panigatti
patent: 2515040 (1950-07-01), Hatcher
patent: 2954735 (1960-10-01), Ellern et al.

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