Improvements in the construction of screw anchoring elements. (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in the construction of screw anchoring elements, whose screw anchoring element comprises a picket in which a pointed end carries at least one helical element and, at the opposite end, fixing means of the object to be anchored, characterized by said picket is constituted by a tube whose end opposite the one that carries the helical element is open and provided with a removable cover. (Machine-translation by Google Translate, not legally binding)