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2017
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Invention
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Improved stemming plugs. A stemming plug (60) for stemming a blast hole in a mine is disclosed. T... |
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2016
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Invention
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Stemming wheel plug. A stemming plug (10) for stemming a blast hole in a mine, the plug comprisin... |
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Invention
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Rolling o-ring drill hole plug. An O-ring plug (10) for blocking a drill hole, is described, havi... |
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2014
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Invention
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Drill hole plug with anchoring grooves and at least one sealing groove. A plug (10) for blocking ... |
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Invention
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Improved o-ring drill hole plug. A plug (10) for blocking off mining exploration drill holes. The... |
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Invention
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Friction-modified wedge stemming plugs.
A stemming plug (10) for stemming a blast hole in a mine... |
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Invention
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Friction-modified wedge stemming plugs. A stemming plug (10) for stemming a blast hole in a mine,... |
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2013
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Invention
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Rock bolt. A rock bolt (10) for a ground support system, the rock bolt comprising an elongate bod... |
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Invention
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Stemming plugs. A stemming plug (10) for stemming a blast hole in a mine comprises an elongate sl... |
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2011
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Invention
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Drill hole plugs.
A grout plug 10 for plugging a drill hole 20 in a mine. The plug 10 comprises ... |
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Invention
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Drill hole plugs. A grout plug 10 for plugging a drill hole 20 in a mine. The plug 10 comprises a... |
