METHOD FOR PRODUCING FOAMED SANDWICH ELEMENTS

摘要

The invention relates to a method for producing foamed sandwich elements, having the following four basic steps: a) preparing, using a metallic cover material, a sleeve of closed cross section, b) filling the sleeve interior with a foamable metallic core material, c) extruding the filled sleeve to give an extruded profile having a metallic cover layer and a foamable metallic core layer, d) foaming the extruded profile to give a foamed sandwich element having at least one metallic cover layer and a foamed metallic core layer. Such a method can be used to produce foamed sandwich elements (even in small batches) in a cost-effective and yet high-quality manner.