FIELD: plastic working. SUBSTANCE: double-screw extruder is equipped with a hollow perforated drum located parallel to the screws. The drum overlaps the window for the liquid tapping. The drum is equipped with a device for its cleaning and is connected with a drive. Besides, the drum perforation is made in the shape of ring-shaped slots on the resulting surface. The device for the drum cleaning is made as knives with blades fixed on the housing. The blades enter the drum slots. EFFECT: enhanced quality. 1 cl, 3 dwg
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