Booster explosive support device for anchoring an explosive booster in a borehold
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United States of America Patent
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Jul 11, 2017
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N/A
app pub date -
Dec 5, 2012
filing date -
Jan 25, 2012
priority date (Note) -
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Abstract
This invention relates to a booster explosive support device 10 for use in boreholes 87. The device 10 includes a securing arrangement 12 which is configured to secure an explosive booster 100 to the device 10, and a spacing element 39 which protrudes from the securing arrangement 12. The spacing element 39 has a free end which in use abuts against a closed end or bottom of a borehole, thereby supporting the securing arrangement 12 and hence an explosive booster 100 at a desired spacing from the bottom of the borehole 87. The spacing element 39 may be elongate. The invention also relates to a method of securing an explosive booster 100 at a pre-determined position in a borehole 87. The method includes spacing the explosive booster 100 away from a closed end of the borehole 87 by supporting the explosive booster 100 from an operatively lower position thereof.
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