Blasting cap booster assembly

Details Blasting cap booster assembly Blasting cap booster assembly

1979-01-02

1981-06-02

Miller, Edward A.

Ammunition and explosives

Blasting

Contained blasting charge

1022025, 1022759, C06C 700

Patent

active

042704553

ABSTRACT:
An explosive booster cap containing a confined detonable charge, said confinement providing a high degree of water protection for said detonable charge, but which confinement will, when the booster cap is subjected to a fire or excessive heat, be disrupted to allow for outgassing and burning of the detonable charge without explosion. Confinement of the detonable charge is provided by a thermoplastic plug inserted into the open end of the booster cap. The physical properties of the thermoplastic plug permit the plug to deform when heated to a temperature between the decomposition and initiation temperatures of the explosive. The booster cap is slipped over the detonable end of the blasting cap, the resultant combination providing a substantially enhanced explosive output.

REFERENCES:
patent: Re28228 (1974-11-01), Graham
patent: 2428884 (1947-10-01), Lefren
patent: 2617326 (1952-11-01), Morris
patent: 2726602 (1955-12-01), Davis et al.
patent: 2878752 (1959-03-01), Johnson et al.
patent: 3401632 (1968-09-01), Griffith et al.
patent: 4170178 (1979-10-01), Diewald

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