Demountable dowel connection for use with concrete and stone - has internally threaded dowel bore for externally threaded dowel

摘要

The external thread (3) of the dowel engages directly with the inner thread of the bore. The dowel has an inner cone (4). A countermember (6) having an outer cone (7) and an inner thread (8) can be tensioned and released again from outside by a screw (9) in the dowel cone area (7). The expanding length (17) is dependent on each cone length (30). The tool (19) for making the dowel connection has at its end a conical opening. A cutting ring is detachably fitted on the tool shaft by a conical connection. ADVANTAGE - Easy fitting and release,and simple mfr.