by rollers

Introduced: September 1968

Last revised: January 2006

Full Title

Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts > by rollers

Classification Context

Section:: PERFORMING OPERATIONS; TRANSPORTING
Class:: MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
Subclass:: WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL

4 direct subcodes

Child Classifications

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B21D 3/04 arranged on axes skew to the path of the work
B21D 3/05 arranged on axes rectangular to the path of the work
B21D 3/06 arranged inclined to a revolving flier rolling frame
B21D 3/08 which move in an orbit without rotating round the work