Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom (B21D3/00 takes precedence); Stretching sheet metal combined with rolling (working sheet metal of limited length by stretching B21D25/00; by localised hammering B21D31/06)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling

CPC: Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom (B21D3/00 takes precedence); Stretching sheet metal combined with rolling (working sheet metal of limited length by stretching B21D25/00; by localised hammering B21D31/06)

Full Title

Full titles differ between systems:

IPC:

Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling

CPC:

Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom (B21D3/00 takes precedence); Stretching sheet metal combined with rolling (working sheet metal of limited length by stretching B21D25/00; by localised hammering B21D31/06)

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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B21D 1/02 by rollers (B21D1/06 takes precedence) IPC+CPC Available in IPC and CPC
B21D 1/05 Stretching combined with rolling IPC+CPC Available in IPC and CPC
B21D 1/06 Removing local distortions +1 CPC IPC+CPC Available in IPC and CPC
B21D 1/12 Straightening vehicle body parts or bodies (B21D1/14 takes precedence) IPC+CPC Available in IPC and CPC
B21D 1/14 Straightening frame structures +1 CPC IPC+CPC Available in IPC and CPC