发明名称 Self-drilling connection anchor
摘要 A self-drilling connection anchor (10) includes an anchor tube (11), a drilling head (13) provided at the first end (12) of the anchor tube (11), an inner tube (15) arranged in the anchor tube (11) and having an interior space (16) for receiving an ejectable mass (30), a first axial, with respect to the longitudinal axis (L) defined by the anchor tube, opening (18) provided in a region of the second free end (14) that communicates with the interior space (16) of the inner tube (15), at least one outlet opening (20) provided in a region of the drilling head (13), and at least one second radial, with respect to the longitudinal axis (L), opening (19) provided in the region of the free second end (14) and communicating with the at least one outlet opening (20) via an intermediate space (17) formed between the anchor tube (11) and the inner tube (15).
申请公布号 US2009142142(A1) 申请公布日期 2009.06.04
申请号 US20080291902 申请日期 2008.11.13
申请人 HILTI AKTIENGESELLSCHAFT 发明人 BAYERL MICHAEL;LUDWIG WOLFGANG;WIECZOREK KOLJA;HEEMANN KAY
分类号 E21D20/00 主分类号 E21D20/00
代理机构 代理人
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