Friction rock stabilizer
AssigneeANI. Co. Ltd
InventorsPeter Buchhorn, David H. R. Starke
Life of this patent
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Abstract
A collar for a friction rock stabilizer and a friction rock stabilizer incorporating such collar. The collar is shaped having a domed outer surface to allow improved alignment between the collar and a mine bearing plate used between the collar and the mine surface when the stabilizer tube is inserted in a bore in a mine roof or wall.
Claims7
A collar to be secured by welding to a friction rock stabilizer tube, said collar having an internal surface for abutting and being affixed to an outer surface of the tube, and wherein said collar having an internal surface diameter which is substantially equal to an external diameter of said tube when said tube is in a relaxed state, said collar having an outer surface for location adjacent to a mine bearing plate used in conjunction with said friction rock stabilizer tube, said outer surface having a substantially continuous arcuate shape to facilitate alignment of said collar with said mine bearing plate when said tube is inserted in a bore in a mine roof or wall.
Dependencies are inferred from the claim text.