Method for making foamed articles having a laminated structure

摘要

A method for making a foamed article having a laminated structure comprises providing a mold having a cavity therein and a rib vertically mounted from a bottom of the cavity and having a predetermined height to establish at least two blocks on the bottom, and pouring a foamable liquid compositions into the respective blocks in amounts which permit one of the foamable liquid composition to cover the other foamable liquid composition upon foaming whereby the resulting foam has a laminated structure whose boundary between the foamed layers made of the respective foamable liquid compositions is smooth and agreeable to the touch.