Hilti Aktiengesellschaft

Robert Gienau

Erich Leibhard

Wolfgang Ludwig

An attachment element (), includes a boring head (), a hollow cylindrical receiving body () having, at its end () facing in a setting direction (S) of the attachment element (), a recess for receiving the boring head () and at its opposite end (), an engagement element (), the attachment element further having at least one outlet opening () through which a mortar mass located in the receiving body () is squeezed out under a pressure applied by a piston (), a channel section () extending between the mortar mass and the at least one outlet opening (), and an inner tube () arranged in the receiving body () at a predetermined distance from an inner wall of the receiving body () for forming at least one suction channel () and in which the mortar mass and the channel section () are arranged.

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Westendorf, Germany

Robert Gienau