Element for initiating propellant
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United States of America Patent
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N/A
Issued Date -
May 11, 2006
app pub date -
Dec 17, 2002
filing date -
Jan 3, 2002
priority date (Note) -
Abandoned
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Abstract
Apparatus for breaking rock which includes a cartridge (16) which forms an enclosure, a propellant (24) inside the enclosure, and at least one element (26) which is electrically energisable and which is made from inert material exposed to the propellant.
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