PROCEDIMENTO DI FISSAGGIO DI UN DADO PRIGIONIERO, NONCHE' DADO PRIGIONIERO ED UTENSILE IMPIEGATI NELL'ATTUAZIONE DI DETTO PROCEDIMENTO

摘要

A blind nut is provided for coupling with an object article having a bore, wherein the neck portion of said nut is nested in use. The peripheral side of said bore is immovably attached to a neck portion of said nut by a press deforming means. The blind nut has a particular neck section and there is a tool specifically designed for said section.