Extrusion nozzles or dies (extrusion characterised by the shape or cross-section of the extruded article B29C48/03)

Introduced: January 2019

Title

Titles differ between systems:

IPC: Extrusion nozzles or dies

CPC: Extrusion nozzles or dies (extrusion characterised by the shape or cross-section of the extruded article B29C48/03)

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 > Extrusion nozzles or dies

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 > Extrusion nozzles or dies (extrusion characterised by the shape or cross-section of the extruded article B29C48/03)

CPC subdivides this area 2x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

IPC defines codes here since 2019.

Child Classifications

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B29C 48/3001 +1 CPC CPC only CPC only
B29C 48/301 CPC only CPC only
B29C 48/302 CPC only CPC only
B29C 48/303 CPC only CPC only
B29C 48/304 CPC only CPC only
B29C 48/305 having a wide opening, e.g. for forming sheets since 2019 +1 CPC IPC+CPC Available in IPC and CPC
B29C 48/32 with annular openings, e.g. for forming tubular articles since 2019 IPC+CPC Available in IPC and CPC
B29C 48/345 Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising since 2019 IPC+CPC Available in IPC and CPC
B29C 48/35 with rollers since 2019 IPC+CPC Available in IPC and CPC