Extrusion molding apparatus

摘要: An extrusion molding apparatus capable of improving the rate ceramic material without a major reconstruction drive system is disclosed. The comprises screw extruders (2, 3) including housings (29, 39) having screws (4, 5) built therein, wherein introduced into 39), respectively, extruded by way forward end ports rotating 5). in 3), include pressure portions (41, 51) with feed per revolution progressively decreased toward port, and extended (43, 53) increased port.