Secondary explosive detonator device

Details Secondary explosive detonator device Secondary explosive detonator device

1974-09-16

1976-09-07

Pendegrass, Verlin R.

Ammunition and explosives

Igniting devices and systems

89 1B, F42B 312, F42C 1912

Patent

active

039787915

ABSTRACT:
A reliable low voltage, electrically actuated, all secondary explosive detonator device is disclosed which is thermally and chemically stable and is relatively insensitive to shock and electrostatic charge. The device includes a cylindrical body having a chamber containing a donor secondary explosive, an elongated bore extending from the donor explosive to an acceptor secondary explosive, with a generally flat annular shoulder located at the junction of the bore and the chamber, an impactor disc positioned within the chamber against the shoulder and blocking the bore and low voltage electrical deflagration initiating means positioned within the chamber and extending outwardly of the body. Application of low voltage current to the conductors initiates deflagration of the donor explosive so that the central portion of the impactor disc is sheared and accelerated through the bore striking the acceptor explosive with sufficient velocity to detonate the acceptor explosive.

REFERENCES:
patent: 2883931 (1959-04-01), Houck et al.
patent: 3062143 (1962-11-01), Savitt et al.
patent: 3158097 (1964-11-01), Brockway et al.

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