Preparing metal stock

Introduced: September 1968

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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B21J 1/003 +1 CPC CPC only CPC only
B21J 1/02 Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough (modifying the physical properties by deformation C21D7/00, C22F1/00) +1 CPC IPC+CPC Available in IPC and CPC
B21J 1/04 Shaping in the rough solely by forging or pressing IPC+CPC Available in IPC and CPC
B21J 1/06 Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations IPC+CPC Available in IPC and CPC