High-pressure, electrically initiated explosive igniter

Details High-pressure, electrically initiated explosive igniter High-pressure, electrically initiated explosive igniter

1975-09-10

1976-11-02

Feinberg, Samuel

Ammunition and explosives

Igniting devices and systems

C06C 300

Patent

active

039889890

ABSTRACT:
An electrical explosive igniter, or initiator, of the cylindrical type hag electrical leads coming through to a bridge wire in an ignition mix container. An anvil cutter of cylindrical shape is force-fitted into the center of the igniter and a movable piston is spaced therefrom. The piston has a tapered internal boring. When the piston is forced sharply backward by the internal pressures of the ignited explosives, it shears the wires against the anvil cutter and the tapered portion forms a tight metal-to-metal seal between the anvil cutter and the igniter wall. The greater the pressure, the better the seal becomes.

REFERENCES:
patent: 2755735 (1956-07-01), Harter
patent: 3393605 (1968-07-01), Parnell
patent: 3703121 (1972-11-01), Gawlick et al.

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