Rock-blasting cartridge and blasting method
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United States of America Patent
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Oct 4, 2011
Grant Date -
Apr 15, 2010
app pub date -
Feb 2, 2007
filing date -
Feb 2, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A blasting cartridge comprising an elongated sleeve extending along an axis A and having a first end and a second end; the first end has a first sleeve closure with an opening for holding a detonator; the second end has a second sleeve closure; a space is provided between the first sleeve closure and the second sleeve closure for holding a blasting explosive; wherein the second end is provided with a connector means for releasably connecting the second end of the cartridge with a first end of an adjacent cartridge and comprising a firing pin means for impinging upon a detonator in the first end of the adjacent cartridge when the blasting explosive is detonated by actuation of the detonator in the first end of the cartridge.
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