| 摘要 |
<p>The invention relates to a method, device and drill bit for lining down-the-hole drilling, wherein a pipe (2) is installed after a drill bit (1) in a drill hole (H) made by the drill bit (1), and drill cuttings (W) produced in the drilling is removed by means of a flushing medium introduced in the drilling location (Hb) through the drill bit (1). In the invention, the flushing medium (M) used is preferably drilling mud or a corresponding flowing medium which is led with the drill cuttings (W) from the drilling location (Hb) substantially along the pipe (2) back towards the starting point (Ha) of the drill hole (H).</p> |
