APPARATUS FOR PRODUCING CORRUGATED FOAMED PLASTICS SHEET

摘要

An apparatus for producing a corrugated foamed plastic sheet includes an extruder and a die provided at the extrusion end of the extruder. The die has a plurality of grooves provided on one of its surfaces which make contact with the foamed sheet being produced. The grooves extending from the resin feed inlet toward the resin exit of the die.