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Priority to ES1973199147UpriorityCriticalpatent/ES199147Y/en
Publication of ES199147UpublicationCriticalpatent/ES199147U/en
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Publication of ES199147YpublicationCriticalpatent/ES199147Y/en
Improved fixing plug of the type consisting of a monobloc body with a frusto-conical configuration, with a longitudinal groove and lateral fins in the lower base area essentially characterized by what determines two lower tongues of different strength, while the upper tongues, joined together, they have two consecutive windows that weaken the unión of one of said tongue with respect to the others in such a way that when the dave or screw is inserted in the block it is able to separate said upper tongue, by breaking the weakening areas, and folding more easily the lower tongue of less resistance. (Machine-translation by Google Translate, not legally binding)
Taco with an extensible sleeve at least at their front end in the introduction direction. (Machine-translation by Google Translate, not legally binding)