IPC Subgroup
B21D 15/03 by applying fluid pressure
Introduced: September 1968
Last revised: January 2006
Full Title
Corrugating tubes > longitudinally > by applying fluid pressure
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