Detonators having multiple-line input leads

Details Detonators having multiple-line input leads Detonators having multiple-line input leads

C - Chemistry, Metallurgy

06

C

C06C 7/00 (2006.01) C06C 5/04 (2006.01) C06C 5/06 (2006.01)

Patent

CA 2242237

A detonator (10) is equipped with an input lead (29) having multiple signal transmission lines (30, 31) which provide redundant initiation signals to the target charge (14) of a detonator (10, 10') thereby increasing the reliability of initiation. The multiple signal transmission lines (30, 31) may be made of shock tube and can be part of a long or short input lead (29, 129) and may be initiated by any suitable means, for example by being disposed in signal transmission relation to a detonating cord (60, 62) to improve the reliability with which a signal is transferred from the detonating cord (60, 62) to the detonator (10, 10').

Cette invention concerne un détonateur (10) comportant un conducteur d'entrée (29) qui comprend à son tour plusieurs lignes de transmission de signaux (30, 31). Ces lignes vont transmettre des signaux de mise à feu redondants à la charge cible (14) du détonateur (10, 10'), et assurer ainsi une plus grande fiabilité de ladite mise à feu. Les différentes lignes de transmission des signaux ( 30, 31) peuvent consister en un tube de choc, faire partie d'un conducteur d'entrée long ou court (29, 129), et être mises à feu par tout moyen approprié. Ces lignes peuvent, par exemple, être mises en relation de transmission de signal avec un cordon détonant (60, 62) de manière à accroître la fiabilité de transmission d'un signal dudit cordon détonnant (60, 62) vers le détonateur (10, 10').

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