Extraction device for removal of a sheared fastening element comprising a hollow body with a multifaced stepped inner cavity to which the sheared element is welded

摘要

An extraction device 10 for facilitating removal of a sheared fastening element 13, comprising a hollow body 30 defining a cavity 33 for receiving an exposed portion of the sheared fastening element 13, the body 30 having a first face onto which the cavity 33 opens to define an opening 35 through which the exposed portion of the sheared fastening element 13 can be received, the cavity 33 having a boundary wall 35 with an inwardly stepped configuration 45 in the direction towards the opening 35.