Primer

Details Primer Primer

1989-03-16

1990-08-07

Brown, David H.

Ammunition and explosive-charge making

Loading fireworks and bursting charges

By casting

102315, 102318, 102331, F42B 300

Patent

active

049458086

ABSTRACT:
A primer for an explosive charge which is to be initiated by a fuse cord is sensitized by a loose charge of a high explosive, this high explosive being contained in a rigid, impermeable container which is so shaped that at least partially surrounds the fuse cord. The container is of plastics or metal and preferably comprises at least one elongated concave surface which mates with and is supported by at least one metal rod which protrudes from the base of a mold in which the primer will be cast and which establishes a channel for a fusecord.
The primers of this invention have more sensitivity and robustness than known primers, and wire fusecords of lower charge weight.

REFERENCES:
patent: 3037452 (1962-06-01), Cook et al.
patent: 3037453 (1962-06-01), Cook et al.
patent: 3136831 (1962-06-01), Zinn
patent: 3747527 (1973-07-01), Griffith
patent: 3768411 (1973-10-01), Maes et al.
patent: 4023494 (1977-05-01), Barton et al.
patent: 4141296 (1979-02-01), Calder et al.
patent: 4383484 (1983-05-01), Morrey
patent: 4409155 (1983-10-01), Bonnycastle et al.
patent: 4527482 (1985-07-01), Hynes
patent: 4776276 (1988-10-01), Yunan

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