Delay train ignition buffer

Details Delay train ignition buffer Delay train ignition buffer

1990-02-07

1991-07-16

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Fuse cord

10227511, C06C 506

Patent

active

050315382

ABSTRACT:
A delay train ignition buffer (45) is positioned between a transmission tube (11) and a delay train (25) in a detonator housing (15) or a signal transmission tube housing. The buffer controls the rate at which the transmission tube temperature/pressure pulse is applied to the delay train pyrotechnic surface, attenuating the effects of the pulse with a resulting improvement in delay timing precision. The buffer also attenuates the effects of sudden depressurization within the detonator resulting from the rupture of the transmission tube or ejection of the tube from the housing, thereby preventing separation of the reacting pyrotechnic which could otherwise cause the reaction to cease at the point of separation, thus causing failure of the delay train to continue combustion of the pyrotechnic through its length.

REFERENCES:
patent: 3021786 (1962-02-01), Miller et al.
patent: 3106892 (1963-10-01), Miller
patent: 3590739 (1971-07-01), Persson
patent: 4742773 (1988-05-01), Bartholomew et al.

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