IPC Subgroup
B21D 5/1 for making tubes
Introduced: September 1968
Last revised: January 2006
Full Title
Bending sheet metal along straight lines, e.g. to form simple curves > by drawing procedure making use of dies or forming-rollers, e.g. making profiles > for making tubes
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 5/12 making use of forming-rollers