B21B19/00 - CPC Classification Index

ClassID:

37809 ⎘

B21B19/00 - CPC Classification

Classification description:

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

Sub-classes:

B21B19/02 » 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} 6
B21B19/12 » the axes of the rollers being arranged essentially parallel to the axis of the work 6

Recent Application in this class:

20160104993

Rotary crimping tool assembly

20150306646

Manufacturing method and manufacturing apparatus of seamless metal pipe