EXPANDING ANCHOR COMPRISING A SWELLING ELEMENT FOR SECURING THE SHELL

摘要

The invention relates to an expanding anchor comprising a bolt and at least one expansion element situated on the bolt, said bolt having an oblique surface which forces the expansion element on the bolt radially outwards when the bolt is moved in an extension direction relative to the expansion element. According to the invention, the expanding anchor has at least one swelling element consisting of a swellable mass that can swell, in order to secure the expansion element in the extension direction on a wall of a drill-hole.