IPC Subgroup
B21D 19/12 Edge-curling
Introduced: September 1968
Last revised: January 2006
Full Title
Flanging or other edge treatment, e.g. of tubes > Edge-curling
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
1 direct subcode
Child Classifications
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- B21D 19/14 Reinforcing edges, e.g. by armouring