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DIFF Subgroup
B29C 48/885

External treatment, e.g. by using air rings for cooling tubular films

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 > External treatment, e.g. by using air rings for cooling tubular films

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 > External treatment, e.g. by using air rings for cooling tubular films

No child classifications to compare. This is a leaf node in both IPC and CPC.