Heat treatment strategically strengthened door beam

• Main Authors: TJOELKER TODD W. J, LIBRIANI ALESSANDRO, BOWMAN JOHN D, KOLLARITSCH JOSEPH C
• Format: Patent
• Language: English
• Published: 19.07.2005
• Edition: 7
• Subjects: PERFORMING OPERATIONS; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES; TRANSPORTING; VEHICLES IN GENERAL; WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES

A method of forming a vehicle component, particularly an elongated impact beam, having an open section structure, in a manner to provide predetermined strategically strengthened portions, comprising the steps of cold forming unhardened steel into a workpiece having mounting surfaces, selectively fix...