F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
102/8
F42B 3/10 (2006.01) C06C 5/06 (2006.01) C06C 7/00 (2006.01) F42B 3/26 (2006.01) F42D 1/04 (2006.01)
Patent
CA 1286914
TITLE Primer Assembly ABSTRACT OF THE DISCLOSURE A primer assembly for use in the non-elec- tric 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 persussion- 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 means for engaging the detonator, and means for attaching the block to the primer. Preferably the explosive coupler is seated within a block-like cavity in the primer.
482834
Bereskin & Parr
Eti Canada Inc.
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