Delay charge and element, and detonator containing such a...

Details Delay charge and element, and detonator containing such a... Delay charge and element, and detonator containing such a...

C - Chemistry, Metallurgy

06

B

C06B 33/00 (2006.01) C06C 5/06 (2006.01)

Patent

CA 2103343

A pyrotechnic delay charge for providing delays in the millisecond and second ranges, comprising the components bismuth oxide as an oxidation agent and silicon as a fuel. The invention also relates to a pyrotechnic delay element having an enclosure containing the pyrotechnical delay charge, and to a detonator having a housing, ignition means disposed at one end of the housing, a base charge of a secondary explosive disposed at the other end of the housing and the pyrotechnic delay charge disposed therebetween.

Charge à retardement pyrotechnique pour la production de retards de l'ordre de quelques millisecondes à quelques secondes, qui utilise de l'oxyde de bismuth comme agent oxydant et du silicium comme combustible. La présente invention vise également un dispositif de retardement pyrotechnique logé dans un coffret contenant la charge de retardement, ainsi qu'un détonateur logé dans un boîtier, avec charge d'amorce logée à une extrémité du boîtier et une charge de base composée d'un explosif secondaire disposée à l'autre extrémité du boîtier, la charge à retardement étant disposée entre les deux.

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