Method for setting anchoring bolts in mines
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United States of America Patent
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N/A
Issued Date -
Jul 17, 2003
app pub date -
Nov 18, 2002
filing date -
Nov 18, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for installing a roof bolt in a mine, which method comprises: (i) drilling a hole in the roof of a mine; (ii) inserting a resin cartridge having a skin into the hole; (iii) inserting a bolt into the hole and which comprises employing in the hole a tool having one or more sharp elements and wherein the insertion of the bolt causes the tool to puncture the cartridge and prevent the skin from expanding against the wall of the hole.
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