E - Fixed Constructions – 21 – D
Patent
E - Fixed Constructions
21
D
E21D 21/00 (2006.01) E02D 5/80 (2006.01) F16B 39/284 (2006.01) F16B 39/36 (2006.01)
Patent
CA 2113079
2113079 9303256 PCTABS00019 The present invention relates to the field of bolts, bars, wires, anchors and similar devices used for example as ground or rock support, reinforcement and anchors in geological environments such as mines, tunnels etc. It also relates to stabilisation and/or reinforcing applications for other geological ore earthwork applications. The invention is a cable bolt comprising at least two wires, and being adopted to have a nut threaded directly onto at least one of the wires. When the cable bolt is a multistrand (steel) cable, the outer wires (11) have a thread (13) formed upon them for a nut to engage. Alternatively, instead of a thread, a pattern of deformations could be used, then a nut or other member being locked onto these deformations. Preferably, the threads or deformations are rolled into the wires so that material is not removed and work hardening occurs.
Fuller Peter Gilmour
O'grady Paul
Dennison Associates
J.j.p. Geotechnical Engineering Pty. Ltd.
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