| 摘要 |
H:/tb/Intrwovn/NRPortbl/DCC/TXB/9612613_l.docx-25/02/2016 The dowel (1) comprises: i) a stem (2) with, at one end, fastening means (4) and, at the other end, an expansion cone (5); and ii) an expansion bushing (3) mounted around a portion (7) of the stem (2) adjacent to the expansion cone (5) and through which the expansion cone is intended to be moved so as to anchor the dowel into an anchoring hole of a supporting material. According to the invention, the expansion bushing (3) is free of slits and drilled with expansion holes (11) along an opening area (16) of the bushing. WO 2012/120488 PCT/IB2012/052268 23 6 2 F ig. 18o 10 1 s 12 Fig. 2 3 112114 5142 p 18 10 F 3 12 ----- _ E 22 (4 Fig. 3 |
