Device for the in-situ foaming of hollow profiles with metal foam used in the production of a crash structure in vehicles and in aircraft and spacecraft comprises an induction unit into which a hollow profile is inserted

摘要

Device for the in-situ foaming of hollow profiles with metal foam comprises an induction unit (1) into which a hollow profile is inserted. A foamable raw material (3) is arranged in the hollow profile. The inner wall of the hollow profile has an insulating material and the hollow profile has an electrical gap (4) running in the longitudinal direction. The hollow profile is in contact with the induction unit on at least one point so that during inductive foaming of the raw material the hollow profile forms part of the induction unit. An Independent claim is also included for a process for the in-situ foaming of hollow profiles with metal foam. Preferred Features: The induction unit can be cooled. The shape of the induction unit fits the shape of the hollow profile. The hollow profile has a circular, oval, rectangular or other random cross-section.