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PCE
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DIFF Subgroup
B21B 19/12

the axes of the rollers being arranged essentially parallel to the axis of the work

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work > the axes of the rollers being arranged essentially parallel to the axis of the work

CPC:

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 parallel to the axis of the work

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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  • B21B 19/14 Rolling tubes by means of additional rollers arranged inside the tubes IPC+CPC Available in IPC and CPC
  • B21B 19/16 Rolling tubes without additional rollers arranged inside the tubes IPC+CPC Available in IPC and CPC