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US 2018/0171800 A1Published application
Shear and tensile reinforcement for inflatable bolt
AssigneeEpiroc Canada Inc.
InventorsMike Duffy, Mario Bureau, Chris Cranford
Life of this patent
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Abstract
An inflatable rock bolt including an expansion tube, a bushing arranged at each end of the expansion tube, and at least one reinforcing member arranged outside the expansion tube. The at least one reinforcing member includes at least one of a strand extending along the expansion tube or a sleeve at least partially surrounding the expansion tube. A method for reinforcing an inflatable rock bolt.
Claims37
An inflatable rock bolt, comprising:
- an expansion tube;
- a bushing arranged at each end of the expansion tube;
- and
- at least one reinforcing member arranged outside the expansion tube, the at least one reinforcing member comprising at least one of a strand extending along the expansion tube or a sleeve at least partially surrounding the expansion tube, wherein the at least one reinforcing member extends between the bushings.
1 more element
A method for reinforcing an inflatable rock bolt, the method comprising:
- extending at least one reinforcing member along an exterior surface of an expansion tube, wherein the at least one reinforcing member comprises at least one of a strand extending along the expansion tube or a sleeve at least partially surrounding the expansion tube;
- arranging a bushing at each end of the expansion tube, wherein the at least one reinforcing member extends between the bushings;
- inserting the expansion tube and the at least one reinforcing member into a hole;
- and
- expanding the expansion tube, thereby frictionally clamping the at least one reinforcing member between the expansion tube and a wall of the hole in which the bolt is inserted.
2 more elements
Dependencies are inferred from the claim text.