CPC Subgroup
B21B 17/08 with mandrel having one or more protrusions
Full Title
Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling > with mandrel having one or more protrusions
2 direct subcodes
Child Classifications
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- B21B 17/10 in a continuous process
- B21B 17/12 in a discontinuous process