METHOD AND DEVICE FOR KEEPING EXTRUDED MATERIAL FROM SCREW EXTRUDER AT A FIXED TEMPERATURE AND PROCESSOR THEREFOR

摘要

PURPOSE: To change an extrusion amt. per a unit time over a wide range while holding a constant predetermined temp. in a screw extruder. CONSTITUTION: Pins 8, 13 are arranged to areas where the feed screw of the screw 2 in an extruder is interrupted by annular grooves. The pins 8 are fixed to positions predetermined for a constant desirable plasticizing and hogenizing degree during a work process and the pins 13 are changed in peneration depth corresponding to the temp. of an extrusion material during a work process.