Patent ID: 7591328
Filing Date: 2009-09-22
Classification: E21D

Abstract:
1. A drilling anchor-setting tool ( 1 ) for mine, tunnel, and underground works for setting an anchor ( 5 ) in a borehole and provided with a core bit and with a single- or multi-component adhesive mass ( 6 ), the drilling and anchor-setting tool comprising a housing ( 2 ) having a chamber ( 4 ); an extrusion device ( 3 ) for forcing the adhesive mass ( 6 ) out of the anchor ( 5 ) when the anchor ( 5 ) is located in the borehole, and integrated in the housing chamber ( 4 ); a sleeve ( 9 ) located in the housing chamber ( 4 ) and displaceable in a direction of a drilling axis ( 15 ); and spring means ( 10 ) for biasing the sleeve ( 9 ) in a direction opposite a displacement direction of the sleeve ( 9 ).