Anchoring of perfected expansion, being of those that are constituted by a rod with one of its halves threaded, while in the other, and centered, it presents a narrowing joined to an extreme head by a trunk-conical sector, in whose narrowing it goes arranged a metal expansion cap, characterized in that said bushing is provided with a perimetric thickness in its middle area that does not affect its entire extent, it being further provided that said bushing incorporates oblique cuts that facilitate its expansion, ie cuts or grooves of inclined trajectory with respect to the longitudinal axis of the bushing. (Machine-translation by Google Translate, not legally binding)
展开▼
