CPC Subgroup
B29C 48/78 Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or 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 extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
5 direct subcodes
Child Classifications
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- B29C 48/79 of preformed parts or layers
- B29C 48/793 upstream of the plasticising zone, e.g. heating in the hopper
- B29C 48/80 at the plasticising zone, e.g. by heating cylinders
- B29C 48/86 at the nozzle zone
- B29C 48/875 for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones