PLASTICIZING APPARATUS AND PLASTICIZING METHOD EMPLOYING SAME

摘要

ABSTRACT OF THE DISCLOSURETITLE OF INVENTION: PLASTICIZING APPARATUS AND PLASTICIZING METHOD EMPLOYING SAME A rotary valve 2 for supplying a material into a cylinder 4 of a plasticizingapparatus is provided in continuation to and in a hermetically sealed relation to thecylinder and an air vent hole is provided for discharging air out of the cylinder.During plasticization. a moderate amount of the material is perpetually supplied intothe cylinder. In this manner, the apparatus may be reduced in size and degassing ofthe cylinder may be achieved effectively. Besides, the throughput of the moldedarticles may be improved and the molded article may be improved in quality.