Primer assembly

Details Primer assembly Primer assembly

1985-03-25

1988-01-12

Schmidt, Frederick R.

Ammunition and explosives

Igniting devices and systems

Fuse cord

1022754, 1022755, 1022756, 10227512, 102318, 102322, F42B 310, C06C 504

Patent

active

047183454

ABSTRACT:
A primer assembly for use in the non-electric initiation of cap-insensitive explosives, especially of deck-loaded explosive charges by means of a single downline of low-energy detonating cord (LEDC), includes a percussion-actuated detonator seated in a cavity in a high-energy primer, and an explosive coupler in which a coupling explosive charge, housed in a plastic connecting block, is in initiating proximity to the detonator's percussion-sensitive ignition charge and sufficiently close to a cord-receiving perforation or conduit in or adjacent the primer as to be initiatable by the detonation of LEDC threaded therethrough. A preferred connecting block has a U-shaped channel for engaging the detonator, and a connecting block arm for attaching the block to the primer. Preferably the explosive coupler is seated within a block-like cavity in the primer.

REFERENCES:
patent: 4334476 (1982-06-01), Day et al.
patent: 4383484 (1983-05-01), Morrey

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