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

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL

Subclass:

ROLLING OF METAL

Child Classifications

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• B21B 1/02 for rolling heavy work, e.g. ingots, slabs, billets, in which the cross-sectional form is unimportant
• B21B 1/08 for rolling work of special cross-section, e.g. angle steel
• B21B 1/16 for rolling wire or material of like small cross-section
• B21B 1/22 for rolling bands or sheets of indefinite length
• B21B 1/38 for rolling sheets of limited length, e.g. folded sheets, superimposed sheets
• B21B 1/4 for rolling foils which present special problems, e.g. because of thinness
• B21B 1/42 for step-by-step or planetary rolling
• B21B 1/46 for rolling metal immediately subsequent to continuous casting