Component parts, details or accessories; Auxiliary operations

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

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

Of 22 combined children, 14 exist in both systems.

8 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2019.

Child Classifications

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B29C 48/251 +3 CPC CPC only CPC only
B29C 48/252 +3 CPC CPC only CPC only
B29C 48/254 +1 CPC CPC only CPC only
B29C 48/255 Flow control means, e.g. valves (flow dividers B29C48/695) since 2019 +3 CPC IPC+CPC Available in IPC and CPC
B29C 48/256 +8 CPC CPC only CPC only
B29C 48/265 Support structures or bases for apparatus, e.g. frames since 2019 IPC+CPC Available in IPC and CPC
B29C 48/266 +1 CPC CPC only CPC only
B29C 48/267 CPC only CPC only
B29C 48/268 CPC only CPC only
B29C 48/269 +2 CPC CPC only CPC only
B29C 48/27 Cleaning; Purging; Avoiding contamination since 2019 +5 CPC IPC+CPC Available in IPC and CPC
B29C 48/275 Recovery or reuse of energy or materials since 2019 +2 CPC IPC+CPC Available in IPC and CPC
B29C 48/28 Storing of extruded material, e.g. by winding up or stacking since 2019 IPC+CPC Available in IPC and CPC
B29C 48/285 Feeding the extrusion material to the extruder since 2019 +5 CPC IPC+CPC Available in IPC and CPC
B29C 48/30 Extrusion nozzles or dies (extrusion characterised by the shape or cross-section of the extruded article B29C48/03) since 2019 +5 CPC IPC+CPC Available in IPC and CPC
B29C 48/355 Conveyors for extruded articles since 2019 IPC+CPC Available in IPC and CPC
B29C 48/36 Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die since 2019 +3 CPC IPC+CPC Available in IPC and CPC
B29C 48/78 Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling since 2019 IPC+CPC Available in IPC and CPC
B29C 48/88 Thermal treatment of the stream of extruded material, e.g. cooling since 2019 +3 CPC IPC+CPC Available in IPC and CPC
B29C 48/92 Measuring, controlling or regulating since 2019 IPC+CPC Available in IPC and CPC