B21B 1/20

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 rods, bars, merchant bars, rounds} wire or material of like small cross-section in a non-continuous process,(e.g. skew rolling, i.e. planetary cross rolling)