CPC Subgroup
B29C 48/50 Details of extruders
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 > Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die > Details of extruders
9 direct subcodes
Child Classifications
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- B29C 48/505 Screws
- B29C 48/68 Barrels or cylinders
- B29C 48/69 Filters or screens for the moulding material
- B29C 48/695 Flow dividers, e.g. breaker plates
- B29C 48/72 Feedback means, i.e. part of the molten material being fed back into upstream stages of the extruder
- B29C 48/74 Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder
- B29C 48/76 Venting means; Degassing means