using pistons, accumulators or press rams

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 > Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die > using pistons, accumulators or press rams

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 > Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die > using pistons, accumulators or press rams

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2019.

Child Classifications

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B29C 48/48 Two or more rams or pistons since 2019 IPC+CPC Available in IPC and CPC
B29C 48/485 Hydrostatic extrusion since 2019 IPC+CPC Available in IPC and CPC