Continuous manufacture of rubber or plastic extruded - sections

摘要

The basic raw material is first extruded as open hollow closed hollow, or solid section. Additives are then introduced mixture is worked and extruded homogeneously with optional addition of heat or with cooling. Preferably, first extrusion is led from extruder round a curve and additives are introduced at sharpest point of curve. Uses especially for making rubber tyres.