F - Mech Eng,Light,Heat,Weapons – 16 – G
Patent
F - Mech Eng,Light,Heat,Weapons
16
G
F16G 11/00 (2006.01) E21D 21/00 (2006.01) F16B 35/00 (2006.01) F16G 11/02 (2006.01) F16G 11/05 (2006.01)
Patent
CA 2300742
A cable bolt comprises a cable with a tubular yielding fixture at one of its ends. The pull-off load of such yielding fixture can be adjusted to a desired value. This is achieved by unwinding one end of the cable and inserting a slug over the kingwire. Then, the peripheral wires are wound again over the kingwire forming a bulge in the cable where the slug is located. The yielding fixture is then slid on the cable and forced over the bulged portion of the cable, while measuring the load required to achieve this operation, which also becomes the pull-off load of the yielding fixture. Finally, any part of the cable protruding from the fixture is cut-off to form the cable bolt with the desired yielding fixture at its end.
Hyett Andrew J.
Lausch Peter
Mine Design Technologies Inc.
Robic
LandOfFree
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