| 摘要 |
<p>The present invention relates to a pile, such as a foundation pile, comprising a shaft (2) having on one end a cutting tip (3), wherein the cutting tip has a displacing surface (4) which extends increasing in radius helically and in spiral manner from an end point up to the shaft and wherein the pile has an engaging surface (6) for exerting a torque thereon round its longitudinal axis.</p> |
