A process for preparing a two-ply foam molded article, characterized by heating a foamable polyolefin sheet which is in its not yet foamed state to form a foamed polyolefin layer, integrally laminating a fabric on one side of the resulting foamed polyolefin layer which is still in a melted and softened...http://www.google.co.uk/patents/US4878972?utm_source=gb-gplus-sharePatent US4878972 - Process for preparing two-ply foam molded articles