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DIFF Subgroup
B21C 3/02

Dies; Selection of material therefor; Cleaning thereof

Introduced: September 1968

Full Title

Profiling tools for metal drawing; Combinations of dies and mandrels for metal drawing > Dies; Selection of material therefor; Cleaning thereof

Of 6 combined children, 5 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B21C 3/025 CPC only CPC only
  • B21C 3/04 with non-adjustable section (B21C3/08 takes precedence) IPC+CPC Available in IPC and CPC
  • B21C 3/06 with adjustable section (B21C3/08 takes precedence) IPC+CPC Available in IPC and CPC
  • B21C 3/08 with section defined by rollers, balls, or the like IPC+CPC Available in IPC and CPC
  • B21C 3/10 with hydraulic forces acting immediately on work IPC+CPC Available in IPC and CPC