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 > Component parts, details or accessories; Auxiliary operations > Thermal treatment of the stream of extruded material, e.g. cooling

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL

Subclass:

SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING

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 48/9 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