SYSTEM TO CHANGE COLOUR INSTANTANEOUSLY DOWNSTREAM FROM THE BARREL DURING THERMOPLASTICS INJECTION MOULDING

The aim of this invention is to improve the efficacy of a process for changing colours in an injection-moulding machine, essentially by injecting the dye (16) directly at the entrance of the injection nozzle (7) downstream from the barrel of a plasticiser unit fitted with a hopper (4), a barrel or b...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GOMES DE SA, PEDRO MIGUEL, SOARES MARTINS FERREIRA, VITOR HUGO, DA SILVA ANACLETO, DANILO
Format:	Patent
Sprache:	eng ; fre ; por
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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