DELAY COMPOSITIONS AND DETONATION DELAY DEVICES UTILIZING SAME
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United States of America Patent
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app pub date -
Nov 22, 2011
filing date -
Mar 9, 2001
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Abandoned
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Abstract
A delay composition for a detonator or delay device. The composition comprising a mixture of silicon and barium sulfate, and an amount of red lead in the range of about 3 to 15%, and preferably 6 to 12%, by weight of the mixture. The invention also relates to a delay element comprising a rigid metal tube containing the delay composition, and a delay device incorporating the delay element.
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