Patent ID: 8696249
Filing Date: 2014-04-15
Classification: E21D

Abstract:
1. A rock bolt component comprising: an elongate tubular section with an internal bore, a first end and an opposing second end; and a first fixing member having a first elongate body, which first elongate body includes a first securing portion having a first plurality of external keying formations at a first end of the first fixing member, which first securing portion is positioned inside the internal bore at the first end of the elongate tubular section, and a female coupling formation at a second end of the first fixing member, and wherein the securing portion of the first fixing member is secured to the first end of the tubular section by radial inward deformation of the first end of tubular section into engagement with the first securing portion; and a second fixing member having a second elongate body including a second securing portion having a second plurality of external keying formations at a first end of the second fixing member, which second securing portion is positioned inside the internal bore at the second end of the elongate tubular section and a male threaded coupling formation at a second end of the second fixing member and wherein the securing portion of the second fixing member is secured to the second end of the tubular section by radial inward deformation of the second end of the tubular section into engage ent with the second securing portion.