Delay fuse with a slow rate of combustion and a small diameter

Details Delay fuse with a slow rate of combustion and a small diameter Delay fuse with a slow rate of combustion and a small diameter

1980-08-21

1982-11-02

Nelson, Peter A.

Ammunition and explosives

Igniting devices and systems

Fuse

10220213, 149 42, 149 77, C06C 700

Patent

active

043567681

ABSTRACT:
The invention relates to a delay fuse having a rate of combustion which is less than or equal to 4 mm/second, characterized in that it has a diameter which is less than or equal to 3 mm and in that it contains a pyrotechnic composition consisting of 25 to 45% by weight of tungsten having a particle size of between 2 and 4 microns, from 45 to 65% by weight of barium chromate and from 8 to 15% by weight of potassium perchlorate.
The delay fuse according to the invention, which is provided with a metal sheath, is applied, in particular, in the pyrotechnic systems carried on board space missiles or submarines.

REFERENCES:
patent: 3173367 (1965-03-01), Shinpaugh
patent: 3528864 (1970-09-01), Weinland
patent: 3664898 (1972-05-01), Taylor et al.
patent: 3684594 (1972-08-01), Evans
patent: 3901747 (1975-08-01), Garner
patent: 4144814 (1979-03-01), Day et al.

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