| 摘要 |
<p>Fastening means comprising a threaded bolt preferably welded to a support member and a fastening element adapted to be fastened on the threaded bolt, the fastening means including the following features: a first hollow element portion of plastic material having a throughgoing axial passage, the cross section of the passage being polygonal, and the wall of the passage having radially resilient wall portions such that they are radially outwardly deformed if the first element portion is pushed onto the threaded bolt and a second hollow annular element portion which is formed to one end of the first element portion such that it can be broken off, the inner cross section of the second element portion being dimensioned such that it can be pushed over the outer side of the first element portion under radial deformation of the resilient wall portions whereby the thread of the threaded bolt is partially formed into the resilient wall portions. <IMAGE></p> |
