C - Chemistry – Metallurgy – 06 – B
Patent
C - Chemistry, Metallurgy
06
B
C06B 45/10 (2006.01) C06B 21/00 (2006.01) C06B 25/32 (2006.01) C06B 45/00 (2006.01) C06C 7/00 (2006.01)
Patent
CA 2380551
An explosive charge such as a cast booster charge (10, 110, 210) includes an explosive charge (14, 114, 214) having a first explosive matrix material (114a, 214a) with discrete bodies (118, 218) of a second material embedded therein. In some embodiments, discrete bodies may comprise explosive material and the first explosive matrix material (114a, 214a) may be more sensitive to initiation than the explosive material of the discrete bodies (118, 218). In a separate aspect of the invention, the discrete bodies may have a minimum dimension of at least 1 millimeter or, optionally, 1.6 millimeter, regardless of the explosive properties of the material therein. In a particular embodiment, discrete bodies may be shaped as cylindrical pellets rounded at at least one end. The cast booster charge (10, 110, 210) may be produced by melting the first explosive, disposing discrete bodies therein and cooling the molten material to solid form.
L'invention concerne une charge explosive du type charge d'amorçage coulée (10, 110, 210), qui comprend une charge explosive (14, 114, 214) ayant un premier matériau à matrice explosive (114a, 214a) doté de corps discrets (118, 218) et ayant un second matériau imbriqué. Selon certaines variantes, les corps discrets peuvent comprendre un matériau explosif, et le premier matériau à matrice explosive (114a, 214a) peut être plus sensible à l'initialisation que le matériau explosif des corps discrets (118, 218). Selon un aspect distinct de l'invention, les corps discrets peuvent avoir une dimension minimum d'au moins 1 millimètre ou, éventuellement 1,6 millimètre, indépendamment des propriétés explosives du matériau constitutif. Selon une variante particulière, les corps discrets peuvent avoir la forme de granulés cylindriques arrondis au moins à une extrémité. La charge d'amorçage coulée (10, 110, 210) peut être réalisée par fusion d'un premier explosif, insertion de corps discrets dans ce premier explosif et refroidissement du matériau fondu aux fins de solidification.
Badger Farrell G.
Bahr Lyman G.
Dyno Nobel Inc.
Sim & Mcburney
The Ensign-Bickford Company
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