F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
F42B 3/10 (2006.01) C06C 7/00 (2006.01) F42B 3/22 (2006.01)
Patent
CA 2383873
The invention relates to an initiating element (5) for use in a detonator (1) to cause a base charge (2), arranged in the detonator, to detonate. The initiating element comprises an ignitable initiating charge (9, 10) which upon ignition generates combustion gases by means of which the base charge is intended to be caused to detonate. The initiating element comprises a compression means (7) which is arranged to be acted upon by said combustion gases to be moved towards the base charge for compression of the same. The invention further relates to a method of igniting a compressed base charge in a detonator, the base charge being further compressed during an initiation phase to increased density. In addition, the invention relates to a detonator provided with a base charge which at a moment of detonation has increased density.
La présente invention concerne une amorce (5) de détonateur provoquant la détonation de la charge base du détonateur. L'amorce comporte une charge inflammable dont l'inflammation dégage des gaz de combustion aboutissant à la détonation de la charge de base. L'amorce comprend un moyen de compression (7) disposé de façon que les gaz de combustion le compriment en le déplaçant vers la charge de base. L'invention concerne également un procédé d'inflammation d'une charge de base comprimée dans un détonateur, la densité de cette charge de base augmentant pendant la phase d'amorçage. L'invention concerne en outre un détonateur équipé d'une charge de base devenant plus dense à la détonation.
Borgstrom Ulf
Dumenko Viktor
Holmberg Roger
Dyno Nobel Inc
Dyno Nobel Sweden Ab
Sim & Mcburney
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