DIFF Subgroup
B29C 44/36 Feeding the material to be shaped
Introduced: January 1995
Full Title
Full titles differ between systems:
IPC:
Shaping by internal pressure generated in the material, e.g. swelling or foaming > Component parts, details or accessories; Auxiliary operations > Feeding the material to be shaped
CPC:
Shaping by internal pressure generated in the material, e.g. swelling or foaming > Auxiliary operations > Feeding the material to be shaped
CPC subdivides this area 3x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
IPC defines codes here since 1995.
Child Classifications
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- B29C 44/38 into a closed space, i.e. to make articles of definite length since 1995 +4 CPC IPC+CPC Available in IPC and CPC
- B29C 44/46 into an open space or onto moving surfaces, i.e. to make articles of indefinite length since 1995 +3 CPC IPC+CPC Available in IPC and CPC