Dowel or anchoring means

An arrangement for anchoring objects to support structures, especially support structures of lightweight building materials, comprising an anchoring element insertable with clearance into an anchoring hole in a support structure and including an elongated member having a straight cylindrical external surface, and an elongated one-piece cylindrical sleeve having a central passage of substantially constant cross section for fittingly receiving said member therein for sliding advancement of said sleeve longitudinally of said member in a path immediately surrounding said external surface of said member;

• and means for securing said anchoring element in the anchoring hole, essentially consisting of a hardenable substance having two components at least one of which is encapsulated in microcapsules and disposed on said external surface of said member in the form of a layer initially rigidly connected to the latter and located in said path to be stripped from said member by said sleeve during sliding advancement thereof in said path into the anchoring hole with concomitant rupturing of the microcapsules and resulting formation of an intimate mixture of said components which is displaced by said sleeve during said advancement thereof out of said path and into the clearance to subsequently harden therein, said anchoring element being secured in the anchoring hole exclusively by said substance after the latter has hardened.