... enterprize in manufacturing such these rubber machines co-roatating twin screw extruder:Both screws and barrels were designed ... mixing/compounding, dispersing, homogenization, devolatiliation, pressure-buildup in twin screw extruders, in accordance to the specific requirements of each ... .L Metering feeders are equipped with single screw, twin screws(both intermeshing and non-intermeshing), or spring(s ...