Improvements introduced in the elastic plates for the unión of the lanes to the travies (Machine-translation by Google Translate, not legally binding)

摘要

Improvements introduced in the elastic plates for the unión of the rails to the sleepers, of the type of sheet that rests with one end on the skate of the rail and that presents in its other side a curvature, characterized by the fact that, after the curvature, presents a straight and flat piece suitable to rest flat on the crossbar. (Machine-translation by Google Translate, not legally binding)