Cartridge shell and cartridge for blast holes and method of use
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 23, 2004
Grant Date -
Feb 7, 2002
app pub date -
Feb 26, 2001
filing date -
Feb 29, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cartridge shell 10 comprises a main body 12 defining a volume 14 for holding energetic material. The main body 12 has a first end 16 for location adjacent a toe 48 of a hole 46 and a second end 18 directed to the collar 50 of hole 46. The second end 18 is tapered to reduce in transverse area away from the first end to form a point or wedge-like member 20.
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