Roof for motor vehicle has outer casing with inner support foam which is thickened as required

摘要

The motor vehicle has a roof with a support structure which be made exclusively of a casing which is formed in the visible outer bodywork, and through a connected inner structural component made of a metallic foam. The inner structural component is thickened as required. The casing can be of steel, aluminium or magnesium or a thermplastic or thermosetting material. The foam can be of aluminium or magnesium foam.