DIFF Subgroup
B29C 53/56 Winding and joining, e.g. winding spirally
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor > Winding and joining, e.g. winding spirally
CPC:
Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor (B29C61/10 takes precedence) > Winding and joining, e.g. winding spirally
CPC subdivides this area 5x more granularly than IPC with 4 additional codes.
4 codes are CPC-only extensions.
IPC defines codes here since 1985.
Child Classifications
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