Patent ID: 6033153
Filing Date: 2000-03-07
Classification: B21H,E21D,F16B

Abstract:
A method of installing a bolt comprising:removably attaching a cartridge containing chemical components to an end of the bolt,inserting the bolt in a hole in a rock face;rupturing the cartridge;rotating the bolt to mix the chemical components together and transport the mixed chemical along the length of the bolt,wherein the cartridge is removably attached to the bolt by means of a plastically deformable sleeve that is fitted over the cartridge and the end of the bolt,wherein the sleeve is provided with an outwardly extending flange at the end thereof fitted over the bolt and the flange is caused to engage the rock face at the opening of the hole such that insertion of the bolt into the hole forces the bolt through the sleeve to drive the cartridge into the remainder of the hole.