F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
F42B 3/00 (2006.01) C06C 5/04 (2006.01) C06C 5/06 (2006.01) F42D 1/04 (2006.01)
Patent
CA 2242159
A booster explosive device (10) has a housing (12) within which is contained an explosive primer charge (14). Mechanical fastener components such as exterior screw threads (32) on housing (12) and interior screw threads (34) on an explosive accessory charge (20) may be engaged with each other in order to provide a charge assembly (30) comprised of device (10) and accessory charge (20). The outer peripheral surface (26) of accessory charge (20) is optionally concave so that accessory charge (20) optionnally serves as a shaped charge to provide enhanced radial explosive output. Explosive primer charge (14) is configured so that the output tip (44b) of a detonator (44) contained therewithin is positioned below at least about 50 percent by weight of primer charge (14) and within the accessory section (10c) of device (10).
La présente invention concerne un dispositif explosif (10) à charge d'amorçage pourvu d'un logement (12) renfermant une charge explosive d'amorçage (14). Des éléments de fixation mécanique, tels que des filetages extérieurs (32) sur le logement (12) et des filetage intérieurs (34) sur une charge explosive secondaire (20), peuvent s'engager les uns dans les autres de façon à réaliser un ensemble de charge (30) comprenant le dispositif (10) et la charge secondaire (20). La surface périphérique extérieure (26) de la charge secondaire (20) est facultativement concave pour que la charge secondaire (20) puisse servir facultativement de charge formée en vue de l'obtention d'un rendement d'explosion radialement accru. La configuration de la charge explosive d'amorçage (14) est telle que l'extrémité dégagée (44b) d'un détonateur (44) contenu dans la charge explosive d'amorçage (14) se trouve disposée au-dessous d'au moins environ 50 % de la masse de la charge d'amorçage (14) et à l'intérieur de la partie secondaire (10c) du dispositif (10).
Bahr Lyman G.
Lucca Frank J.
Toro Daniel A.
Welch Brendan M.
Dyno Nobel Inc.
Sim & Mcburney
The Ensign-Bickford Company
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