Degassing means for a twin screw extruder for plastic materials
In a simplified arrangement which is easy to handle
, the housing segment which is to receive the insert member has an opening of rectangular cross-section and the insert member includes a projection of corresponding rectangular cross-section which can be tightly fitted in the opening in the housing segment. The outer surface of the insert member is flush with the outer surface of the housing. Hence, a smooth unbroken outer contour of the housing is provided which enables application of heating shells onto the housing as in the conventional twin screw extruder.
Degassing means for a twin screw extruder for plastic materials