DIFF Subgroup
B29C 48/03 characterised by the shape of the extruded material at extrusion
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 > characterised by the shape of the extruded material at extrusion
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) > characterised by the shape of the extruded material at extrusion
Of 8 combined children, 7 exist in both systems.
1 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2019.
Child Classifications
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- B29C 48/09 Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels since 2019 IPC+CPC Available in IPC and CPC
- B29C 48/12 Articles with an irregular circumference when viewed in cross-section, e.g. window profiles since 2019 IPC+CPC Available in IPC and CPC
- B29C 48/13 Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes since 2019 IPC+CPC Available in IPC and CPC