Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Introduced: September 1968

Of 20 combined children, 14 exist in both systems.

6 codes are CPC-only extensions.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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B23P 15/001 +1 CPC CPC only CPC only
B23P 15/003 CPC only CPC only
B23P 15/005 CPC only CPC only
B23P 15/006 CPC only CPC only
B23P 15/007 CPC only CPC only
B23P 15/008 CPC only CPC only
B23P 15/02 turbine or like blades from one piece IPC+CPC Available in IPC and CPC
B23P 15/04 turbine or like blades from several pieces IPC+CPC Available in IPC and CPC
B23P 15/06 piston rings from one piece +1 CPC IPC+CPC Available in IPC and CPC
B23P 15/08 piston rings from several pieces IPC+CPC Available in IPC and CPC
B23P 15/10 pistons +1 CPC IPC+CPC Available in IPC and CPC
B23P 15/12 gratings IPC+CPC Available in IPC and CPC
B23P 15/14 gear parts, e.g. gear wheels IPC+CPC Available in IPC and CPC
B23P 15/16 plates with holes of very small diameter, e.g. for spinning or burner nozzles IPC+CPC Available in IPC and CPC
B23P 15/18 brake shoes IPC+CPC Available in IPC and CPC
B23P 15/20 railroad requirements, e.g. buffers IPC+CPC Available in IPC and CPC
B23P 15/22 cartridges or like shells IPC+CPC Available in IPC and CPC
B23P 15/24 dies (B21C3/18, B21C25/10, B21D37/20 take precedence) +2 CPC IPC+CPC Available in IPC and CPC
B23P 15/26 heat exchangers IPC+CPC Available in IPC and CPC
B23P 15/28 cutting tools (sawing tools B23D63/00, B23D65/00; files or rasps B23D73/00) IPC+CPC Available in IPC and CPC