IPC Main Group
B21D 28/00 Shaping by press-cutting; Perforating
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
CUTTING-OUT metal sheetsPERFORATING of metal sheetsshearing or perforating metal by PRESSINGPUNCHING of metal
2 direct subcodes
Child Classifications
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- B21D 28/02 Punching blanks or articles with or without obtaining scrap; Notching
- B21D 28/24 Perforating, i.e. punching holes