CPC Subgroup
B29C 48/88 Thermal treatment of the stream of extruded material, e.g. cooling
Full Title
Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (extrusion blow-moulding B29C49/04) > Component parts, details or accessories; Auxiliary operations > Thermal treatment of the stream of extruded material, e.g. cooling
7 direct subcodes
Child Classifications
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- B29C 48/885 External treatment, e.g. by using air rings for cooling tubular films
- B29C 48/89 Internal treatment, e.g. by applying an internal cooling fluid stream
- B29C 48/90 with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C 48/91 Heating, e.g. for cross linking