IPC Main Group
B21D 41/00 Application of procedures in order to alter the diameter of tube ends
Introduced: September 1968
Last revised: January 2006
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
Related Keywords
altering diameters of TUBE(S) ends
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B21D 41/02 Enlarging
- B21D 41/04 Reducing; Closing