PERFECCIONAMIENTOS EN LAS INSTALACIONES PARA ENFRIAR Y GRANULAR PERFILES EXTRUIDOS DE MATERIA TERMOPLASTICA

摘要

Apparatus for cooling thermoplastic strands issuing from an extrusion die, the apparatus including a cooling trough between the extrusion nozzle and the granulator. The trough has two coolant drainage regions, a first being connected to a gravity drain and a second having means applying air downward through apertures in the trough. A conical separator for granulate is provided following the granulator.