|
2010
|
Invention
|
Cable bolt. A multi-strand cable bolt (10) has a pitch of at least 250mm such as about 300mm. The... |
|
2009
|
Invention
|
A method of encasing a yielding rock bolt shaft. A method of encasing a solid shaft (10) to be us... |
|
|
Invention
|
A method of swaging. A method of swaging is provided to mount an anchor member (14) on a solid sh... |
|
2007
|
Invention
|
A yielding rock bolt. A yielding rock bolt (10) is arranged to be inserted into a hole in a rock ... |
|
2004
|
Invention
|
Improved cable bolt. A cable bolt is provided that is suited to stabilise rock surfaces, particul... |
|
2003
|
Invention
|
A yielding rock bolt. A yielding rock bolt (10) having a solid metal shaft (12) with a relatively... |
|
2002
|
Invention
|
A yielding rock bolt. A yielding rock bolt (10) arranged to be inserted into a hole in a rock sur... |
|
|
Invention
|
Apparatus for the manufacture of rock bolts. Apparatus and method for manufacturing multi strand ... |
|
1993
|
Invention
|
Rock anchor and method of manufacture. A rock anchor is formed from a tendon composed of a plural... |
|
1989
|
Invention
|
Improved rock anchor and method of manufacture. A rock anchor (10) characterised by a tendon (12)... |
