DEVICE FOR REPROCESSING PLASTIC MATERIALS Russian patent published in 2002 - IPC

FIELD: reprocessing secondary polymer materials. SUBSTANCE: device contains housing with loading and outlet passages and heaters arranged inside the wall of the housing. Working member made of inter-engaged gearing rolls is placed inside the housing and contains power-operated rolls engaging with two near placed gearing rolls. The power-operated rolls are placed with space inside the housing. The surface of the internal housing wall is identical to the shape of the surface described by the tops of the rolls teeth. EFFECT: reduced mechanical forces to the gearing rolls, improved conditions of reprocessing the material. 2 dwg