Sprue channels

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor > Component parts, details or accessories; Auxiliary operations > Moulds > Sprue channels

CPC:

Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor (injection blow-moulding B29C49/06) > Component parts, details or accessories; Auxiliary operations > Moulds > Sprue channels

CPC subdivides this area 13x more granularly than IPC with 24 additional codes.

24 codes are CPC-only extensions.

Note: 17 CPC extensions are marked as secondary classification only.

IPC defines codes here since 1985.

Child Classifications

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B29C 2045/2759 2nd only CPC only CPC only
B29C 2045/2761 2nd only CPC only CPC only
B29C 2045/2762 2nd only CPC only CPC only
B29C 2045/2764 2nd only CPC only CPC only
B29C 2045/2766 2nd only +2 CPC CPC only CPC only
B29C 2045/277 2nd only CPC only CPC only
B29C 2045/2772 2nd only CPC only CPC only
B29C 2045/2774 2nd only CPC only CPC only
B29C 2045/2775 2nd only CPC only CPC only
B29C 2045/2777 2nd only CPC only CPC only
B29C 2045/2779 2nd only CPC only CPC only
B29C 2045/2788 2nd only CPC only CPC only
B29C 2045/279 2nd only CPC only CPC only
B29C 2045/2791 2nd only CPC only CPC only
B29C 2045/2793 2nd only CPC only CPC only
B29C 2045/2795 2nd only CPC only CPC only
B29C 2045/2796 2nd only +1 CPC CPC only CPC only
B29C 45/2701 +7 CPC CPC only CPC only
B29C 45/2725 +4 CPC CPC only CPC only
B29C 45/2735 CPC only CPC only