Shaped grip for welding railway rails and superstructure sections

摘要

The invention relates to a shaped grip for welding railway rails and superstructure sections. The grip comprises a metal body 1 covering the join of the parts to be welded and provided with a surface oriented parallel to the parts to be welded and which comprises a recess 4 in which an attached element 5, formed by a refractory metal is fitted by complementarity of shape, with the possibility of removal; the bounding surface of the attached element 5 which engages in the recess 4 is convex whereas the receiving surface of the recess 4 has a corresponding concave profile. <IMAGE>