CPC Subgroup
B21B 19/02 the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling
Full Title
Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work (straightening by rollers B21D) > the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling
2 direct subcodes
Child Classifications
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- B21B 19/04 Rolling basic material of solid, i.e. non-hollow, structure; Piercing
- B21B 19/06 Rolling hollow basic material, (B21B19/04 takes precedence; separating work from mandrel B21C45/00)