| 摘要 |
An anchor ( 1 ) comprising an anchor tube ( 2 ) and an inner tube ( 3 ) arranged in the anchor tube ( 2 ) for receiving a dispensable chemical mass ( 4 ). The anchor tube ( 2 ) has a first end ( 5 ) with a drilling head ( 6 ) and a second trailing end ( 7 ), at which a drilling machine can be coupled for rotary driving of the anchor ( 1 ). The anchor ( 1 ) further has a centering assembly with a first centering element ( 11 ) and a second centering element ( 21 ), which hold the inner tube ( 3 ) both radially and axially aligned in the anchor tube ( 2 ) by means of radial stop surfaces ( 17, 18 ) and axial stop surfaces ( 16, 26 ). |
