F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
102/30
F42B 3/10 (2006.01) F42D 1/04 (2006.01)
Patent
CA 1089708
EXPLOSIVE ENERGY-INITIATABLE BLASTING CAPS CONTAINING A POROUS IGNITION AND DETONATION SYSTEM AND METHOD Abstract of the Disclosure A non-electrically initiated blasting cap containing a porous ignition charge which is permeable for flow of a gas stream therethrough and initiatable in response to explosive energy of an explosive gas mixture, including conduit means for emplacing a confined stream of the explosive gas in position with- in the blasting cap for the responsive initiation. Also provided is a system, including a plurality of the above blasting caps spaced apart for detonation of one or more main charges, together with additional conduit means for con- veying the explosive gas to the plurality of blasting caps for the emplacement, and means for ignition of the thus emplaced explosive gas. Method is provided for making a blasting cap containing a porous ignition charge, making a porous ignition charge and initiating a non-electric blasting cap for the initiation of a main explosive charge. - 1 -
291204
Fetherstonhaugh & Co.
Hercules Incorporated
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