Shock-resistant delay detonator

Details Shock-resistant delay detonator Shock-resistant delay detonator

1986-02-25

1987-09-29

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Electrical primer or ignitor

102204, F42B 310, F42C 1908

Patent

active

046962310

ABSTRACT:
Delay detonators can be made to function reliably at reduced distances from a neighboring detonation by increasing the weight of the detonator's priming charge. Detonators containing about 0.26 g or more of lead azide perform reliably 12.7 cm from a detonation in a shock resistance pipe test, and this performance is reflected in high performance in trenching operations. The higher energy output of the heavier primer charge may compensate for a decrease in the base charge's sensitivity as the detonator shell is deformed or collapsed by shock.

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