| 摘要 |
<p>The invention provides an anchoring device comprising a solid body (102) having a wider end (112), a narrower end (110) and a connecting side wall therebetween, the side wall being formed with a plurality of longitudinal ridges (106, 108) that decrease in radial dimension in the direction of the narrower end of the solid body; and the solid body being provided with a central passageway (122) extending axially from the narrower end, the central passageway (122) having a thread for receiving a threaded anchoring post or bolt.</p> |
