Thermal treatment of the stream of extruded material, e.g. cooling

Introduced: January 2019

Full Title

Full titles differ between systems:

IPC:

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

CPC:

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

Of 7 combined children, 4 exist in both systems.

3 codes are CPC-only extensions.

IPC defines codes here since 2019.

Child Classifications

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B29C 48/885 External treatment, e.g. by using air rings for cooling tubular films since 2019 IPC+CPC Available in IPC and CPC
B29C 48/89 Internal treatment, e.g. by applying an internal cooling fluid stream since 2019 IPC+CPC Available in IPC and CPC
B29C 48/90 with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article since 2019 +6 CPC IPC+CPC Available in IPC and CPC
B29C 48/91 Heating, e.g. for cross linking since 2019 +1 CPC IPC+CPC Available in IPC and CPC
B29C 48/911 +2 CPC CPC only CPC only
B29C 48/918 +1 CPC CPC only CPC only
B29C 48/919 CPC only CPC only