for rolling wire or material of like small cross-section

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations > for rolling wire or material of like small cross-section

CPC:

Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section (B21B17/00 - B21B23/00 take precedence; with respect to composition of material to be rolled B21B3/00; extending closed shapes of metal bands by simultaneous rolling at two or more zones B21B5/00; metal-rolling stands as units B21B13/00; continuous casting into moulds having walls formed by moving rolls B22D11/06); Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations > for rolling wire or material of like small cross-section

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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B21B 1/163 CPC only CPC only
B21B 1/166 CPC only CPC only
B21B 1/18 in a continuous process IPC+CPC Available in IPC and CPC
B21B 1/20 in a non-continuous process,(e.g. skew rolling, i.e. planetary cross rolling) IPC+CPC Available in IPC and CPC