Non-electric detonators without a percussion element
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United States of America Patent
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Feb 2, 1988
Grant Date -
N/A
app pub date -
Nov 17, 1986
filing date -
Nov 17, 1986
priority date (Note) -
Expired
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Abstract
A non-electric detonator device having a tubular shell that is closed at its bottom end and containing a base charge of a detonating explosive at the bottom of the shell, a priming charge of a heat sensitive detonating explosive composition adjacent to the base charge, a rupturable membrane that seals the top end of the shell and forms an open volume between the priming charge and the top end of the shell and a holder for holding a low energy detonating cord (LEDC) in abutting relationship to the membrane: whereby on detonation of the LEDC the membrane is ruptured and the priming charge is initiated which in turn initiates the detonating explosive.
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