Stud removing and transfer adaption mode

Abstract From the Canadian patent

A system for pulling a stud electrode from its retaining base in a pot smelter for the smelting of aluminum. An upper end of the stud is engaged with a spigot attached to a puller and the stud is twisted with the puller to loosen it. There is a pair of opposed longitudinal channels on the exterior of the stud open at the, end of the stud. A pair of opposed further longitudinal channels on the exterior of the stud are closed at the end of the stud and generally parallel to the first longitudinal channel. A pair of opposed circumferential channels join the longitudinal channels. A socket is mounted on the spigot to engage the stud. The socket has a generally cylindrical, hollow body to fit …