F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
102/11
F42B 3/00 (2006.01) F42B 3/11 (2006.01) F42B 3/16 (2006.01)
Patent
CA 1155337
TITLE Delay Blasting Cap ABSTRACT OF THE DISCLOSURE A delay blasting cap having improved uniformity and predictability of delay time, and less susceptible to timing change as a result of a change in the medium or temperature surrounding the cap, has a polyolefin or polyfluorocarbon carrier capsule or tube for the delay charge, and preferably a rigid metal capsule holding the delay charge in place. Preferably, the delay carrier is a poly- ethylene capsule, which inhibits the priming charge from penetrating into the delay charge during the assembling of the cap.
360483
Bryan Paul J.
Morse Daniel R.
Eti Canada Inc.
Eti Explosives Technologies International Ltd.
Eti Explosives Technologies International Ltd.and Eti Explosives Carrying On Business In Partnership As Eti Explosivies
Mccallum Brooks & Co.
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