High internal pressure forming front frame profile for front frame of motor vehicle, is formed one-piece and has profile shape closed in cross-section for formation of cavity with front face openings

摘要

The front frame profile (1) is formed one-piece and has a profile shape closed in cross-section for formation of a cavity (13) with front face openings (4,5) arranged in a motor vehicle front or rear side. Both the front face openings are so arranged that they allow the access of a tool in the cavity for connecting the front frame profile with an attachment part. Independent claims are also included for the following: (1) a method for manufacturing a front frame profile; (2) a method for manufacturing a front structure of a motor vehicle; and (3) a method for repairing a front frame profile.