Patent ID: 8096595

Claim:
A bumper beam having a generally U shape with a central flange ( 12 ; 12 ′) formed as a single element and two webs ( 13 , 14 , 13 ′, 14 ′) extending from the top and the bottom of the central flange, respectively; said central flange in a longitudinal middle portion of the beam facing in an outwardly direction from a vehicle on which the bumper beam is mounted, said central flange having a longitudinal concavity ( 17 ; 17 ′), said bumper beam including fastening plates, characterised in that the concavity ( 17 ; 17 ′) deepens substantially continuously from the proximate longitudinal center of the beam towards end portions of the beam to form said fastening plates ( 20 , 21 , 20 ′, 21 ′) or to connect to said fastening plates ( 20 , 21 , 20 ′, 21 ′).