Time-programmable priming device

Details Time-programmable priming device Time-programmable priming device

F - Mech Eng,Light,Heat,Weapons

42

C

F42C 11/06 (2006.01)

Patent

CA 2241810

An electrical firing mechanism and specifically a detonator priming device comprising an electric power supply providing a first current (I1) to a circuit which includes means (30) for timing the operation of a firing element (12) that fires a primer (13), and to means (35) for generating a second current (I2) after the end of the timing period, said second current (I2) being sufficient to actuate said element (12) whereas the first current (I1) from the power supply is not.

L'invention concerne le domaine des mécanismes de mise à feu électrique et, plus particulièrement, un dispositif d'amorçage d'un détonateur comportant une alimentation électrique fournissant une première intensité (I1), à un circuit comportant des moyens (30) de temporisation de l'action d'un élément (12) de mise à feu d'une amorce (13) et à des moyens (35) aptes à générer, à l'expiration de la durée de temporisation, une deuxième intensité (I2) suffisante pour actionner ledit élément (12), la première (I1) issue de l'alimentation, ne l'étant pas.

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