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PCE
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DIFF Subgroup
B29C 48/385

using two or more serially arranged screws in separate barrels

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 > Plasticisers, homogenisers or feeders comprising two or more stages > using two or more serially arranged screws in separate barrels

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 > Plasticisers, homogenisers or feeders comprising two or more stages > using two or more serially arranged screws in separate barrels

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