DIFF Subgroup
B29C 53/04 of plates or sheets
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor > Bending or folding > of plates or sheets
CPC:
Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor (B29C61/10 takes precedence) > Bending or folding (B29C53/22, B29C53/34, B29C53/36, B29C53/56 take precedence) > of plates or sheets
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
IPC defines codes here since 1985.
Child Classifications
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- B29C 53/06 Forming folding lines by pressing or scoring since 1985 +1 CPC IPC+CPC Available in IPC and CPC