EXTRUSION MOLDING METHOD, EXTRUSION MOLDING DEVICE, AND METHOD FOR MANUFACTURING MOLDING

摘要

PROBLEM TO BE SOLVED: To provide an extrusion molding device which can suppress deterioration of a thermoplastic resin due to heating, and can improve the productivity of a resin molded article.SOLUTION: In an extrusion molding method of a thermoplastic resin where a thermoplastic resin R is pressed in one direction by gas pressure and is heated at a tip of the one direction and the heated thermoplastic resin M is fed into a mold to be molded, the thermoplastic resin R is heated to the vicinity of a glass transition point thereof, and the thermoplastic resin M heated to the vicinity of the glass transition point is fed into the mold.