IPC Subgroup
B21D 31/02 Stabbing or piercing, e.g. for making sieves
Introduced: September 1968
Last revised: January 2006
Full Title
Other methods for working sheet metal, metal tubes, metal profiles > Stabbing or piercing, e.g. for making sieves
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
stabbing or PIERCING of metal sheet or tubingor piercing metal sheet or tubing