Kunststoffe-Plast Europe, Vol.95, No.5, 44-50, 2005
Historical development of the counter-rotating twin-screw extruder
PVC PROCESSING. Counter-rotating, closely intermeshing twin screw extruders are primarily used nowadays for the production of pipes, profiles and sheets of unplasticised PVC. This article traces the evolution of this machine technology from its origins down to the present