Rock bolt

Details Rock bolt Rock bolt

E - Fixed Constructions

21

D

E21D 21/00 (2006.01) E21D 20/02 (2006.01) F16B 13/00 (2006.01)

Patent

CA 2607850

The present invention relates to rock bolts which may be used in mining applications. The rock bolt of this invention includes a mechanical anchoring arrangement to facilitate retaining the rock bolt in a borehole, and also a drill bit to enable self drilling of the rock bolt. Rotation of the rock bolt about an axis of the rock bolt in a first direction causes the drill bit to drill into rock and to create a borehole to receive the rock bolt. Subsequently, rotation in the opposite direction actuates a mechanical anchoring arrangement to anchor rock bolt.

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