发明名称 ANKERSTANGE FÜR VERBUNDANKER
摘要 <p>The tie-rod (1) has a bracing part (4) fitting into a hole, and a threaded profile (5) cooperating with an organic and or inorganic compound filler in the hole. The threaded profile is in the form of a coarse thread with thread-pitch (s) diminishing constantly or in steps from the front end (6) of the tie-rod to the back part (2). The thread pitch of the coarse thread is nil in the part (43)next to the back part. The coarse thread has a radial thread depth (t) diminishing constantly or in steps from the front end to the back. The front end is joined to the top part (7) which has a wedge-shaped point (8).</p>
申请公布号 AT179243(T) 申请公布日期 1999.05.15
申请号 AT19970810019T 申请日期 1997.01.15
申请人 HILTI AKTIENGESELLSCHAFT 发明人 SCHIEFER, ERWIN;POPP, FRANZ
分类号 E21D21/00;F16B13/14;F16B33/02;F16B35/04;(IPC1-7):F16B13/14;E21D20/02 主分类号 E21D21/00
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