High speed fibrous strand impregnator has inner casing surface concentric with central longitudinal axis, with drive shaft, screw and nozzle followed by optional dual-screw extruder

摘要

The extruder casing inner surface (28) is concentric with the central longitudinal axis (3) and connects directly to the outlet end (10). The extruder screw (29) is contained in the interior. The drive shaft (30) is coupled with the extruder screw, passing through a shaft channel (26) in the core (2) of the impregnator. Preferred features: The extruder screw has a conveying spiral (29a) and a nozzle (33) at the delivery end. It may be fitted with a dual-screw extruder (34).