ArcelorMittal S.A.
TUNNEL HAVING INTEGRATED LATERAL REINFORCEMENTS

Abstract:

Tunnel 1 for a motor vehicle 2 made of a single part and including a main tunnel portion 3 and at least one lateral reinforcement element 5 located on the side of the main tunnel portion 3, wherein the lateral reinforcement element 5 is equipped with a groove 19 to provide high stiffness and high crash resistance and wherein the groove 19 extends over at least part of an inflexion region 15 between the longitudinally oriented part of the tunnel 1 and the upward oriented part of the tunnel 1 and extends over at least part of the front portion of the longitudinally oriented part of the tunnel 1.