B21B19/02 - CPC Classification Index

ClassID:

37810 ⎘

B21B19/02 - CPC Classification

Classification description:

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 diagonally to the axis of the work, e.g. "cross" tube-rolling Diescher mills, Stiefel disc piercers, Stiefel rotary piercers

Sub-classes:

B21B19/04 » Rolling basic material of solid, i.e. non-hollow, structure; Piercing, {e.g. rotary piercing mills} 114
B21B19/06 » Rolling hollow basic material, {e.g. Assel mills} 17

Recent Application in this class:

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