Expansion bail anchor and method

Details Expansion bail anchor and method Expansion bail anchor and method

E - Fixed Constructions

21

D

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

Patent

CA 2633955

An expansion anchor assembly for a mine roof bolt having a tapered plug, expansion leaves, a bail and a removable holding ring configured to hold the expansion anchor assembly in an assembled position is disclosed. The tapered plug is configured to be threaded onto the mine roof bolt and defines plug channels to encourage symmetrical resin flow past the tapered plug. The bail defines a medial opening through which the mine roof bolt extends.

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