发明名称 CORROSION-RESISTANT SCREW WITH A CUTTING INSERT
摘要 A corrosion-resisting, self-tapping screw (1), in particular a concrete screw, to be driven into a bore, which has a wall, comprises a substantially cylindrical core (2) of corrosion-resisting metal with a central longitudinal axis (8); a thread (5), which is integral with the core (2); and at least one cutting element (9), which has at least one cutting head (12) for cutting engagement with the wall of the bore; the at least one cutting element (9) being inserted in the core (2), tightly joined thereto and consisting of a hardened metal, and the at least one cutting head (12) being arranged in the thread (5).
申请公布号 EP1129297(A1) 申请公布日期 2001.09.05
申请号 EP19990953965 申请日期 1999.11.04
申请人 TOGE-DUEBEL A. GERHARD KG 发明人 GERHARD, ANTON
分类号 F16B25/00;(IPC1-7):F16B25/00 主分类号 F16B25/00
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