IPC Main Group
B21D 31/00 Other methods for working sheet metal, metal tubes, metal profiles
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
Scope Notes
Limiting references: Working of sheet metal, metal tubes, rods or profiles without essentially removing material - Shaping by press-cutting; Perforating
Related Keywords
BREAKING metalDIVIDING metal by tensioning a part heated to plastic stateSEVERING of metal by tensioning a part heated to plastic state
3 direct subcodes
Child Classifications
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- B21D 31/02 Stabbing or piercing, e.g. for making sieves
- B21D 31/04 Expanding other than provided for in groups , e.g. for making expanded metal
- B21D 31/06 Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming