Patent ID: 8348109
Filing Date: 2013-01-08
Classification: E21D

Abstract:
1. A resin nozzle for use in conjunction with rock bolting equipment adapted to inject a resin sausage through the resin nozzle and into a pre-drilled bolt hole, the resin nozzle including: a connector member adapted to be fastened onto the rock bolting equipment; a spring that defines a guide tube passage holding a guide tube, said guide tube defining a sausage passage adapted to receive resin sausages passed therethrough by the rock bolting equipment; a nozzle tip providing a cylindrical conduit structured to extend into the pre-drilled bolt hole, said cylindrical conduit defining an exit passage; and a nose cone joining said spring to said nozzle tip such that said sausage passage and said exit passage mate to provide a smooth transition for a resin sausage passing from said sausage passage to said exit passage, such that a resin sausage driven by said rock bolting equipment will be ejected from the resin nozzle, through said sausage passage and said exit passage.