IT1024321B - Pressurised liq. esp. colourant supply to screw mixer - arranged to disperse liq. only on plastics pellets
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Pressurised liq. esp. colourant supply to screw mixer - arranged to disperse liq. only on plastics pellets
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Publication number
IT1024321B
IT1024321BIT5436274AIT5436274AIT1024321BIT 1024321 BIT1024321 BIT 1024321BIT 5436274 AIT5436274 AIT 5436274AIT 5436274 AIT5436274 AIT 5436274AIT 1024321 BIT1024321 BIT 1024321B
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Application filed by Evans Prod CofiledCriticalEvans Prod Co
Priority to IT5436274ApriorityCriticalpatent/IT1024321B/en
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Publication of IT1024321BpublicationCriticalpatent/IT1024321B/en
Screw mixer and/or extruder for handling pelleted plastics matl fed from a hopper has a liq. material dispensing device, e.g. for a colourant, extending into the hopper at a short distanced above the cylinder so that the screw is shielded from the dispensing device by intervening pellets, so the liq. is prevented from falling directly on the screw. A supply system connects a pressurisable supply of the liq. to the dispensing device to supply predetermined quantities of the matl. at predetermined intervals, e.g. by way of a positive displacement pump.
IT5436274A1974-12-041974-12-04Pressurised liq. esp. colourant supply to screw mixer - arranged to disperse liq. only on plastics pellets
IT1024321B
(en)