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2020
|
Invention
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Rock bolt. The present invention provides a rock bolt comprising first and second portions (11, 1... |
|
|
Invention
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Rock bolt. The present invention provides a yielding rock bolt (10) comprising a tendon in the fo... |
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2019
|
Invention
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Improvements in or relating to rock bolts. The present invention provides a rock bolt (14) compri... |
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2015
|
Invention
|
Ground support apparatus. A ground support apparatus for use in supporting a rock body comprising... |
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2014
|
Invention
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Ground support apparatus and method. A ground support apparatus comprising a first portion compri... |
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2011
|
Invention
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Rock bolt. The present invention relates to a rock bolt 10 for use in stabilising a rock face. Th... |
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2004
|
Invention
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Cable bolt. A cable bolt is provided that is suited to stabilize rock surfaces, particularly to w... |
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2003
|
Invention
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Yielding rock bolt. A yielding rock bolt having a solid metal shaft with a relatively wide portio... |
|
|
Invention
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A yielding rock bolt. A yielding rock bolt (10) having a solid metal shaft (12) with a rela... |
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2002
|
Invention
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Yielding rock bolt. A yielding rock bolt arranged to be inserted into a hole in a rock surface. T... |
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1994
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G/S
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Cable bolts and rock bolts.
Mine roof bolts, twist cables and anchors, ground anchors, rock ancho... |
