| 摘要 |
<p>The invention relates to an anchoring device including two cylindrical and concentric elements, i.e. a first element consisting of a hollow rod (10) comprising a first end (11a) having an attachment means and an opposite second end (11b) having a wedge, and a second element consisting of a housing tube (40) comprising a first end (41a) and an opposite second end (4b) having a helical penetration disk (42) and, between said two ends, at least one helical force disk (43), said two elements being provided with a translatable and rotatable temporary connection means (20) for simultaneously or separately piercing the ground.</p> |
