IPC Main Group
B21F 9/00 Straining wire
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 METAL WIRE
Scope Notes
Application references: Straining prestressing wires for concrete
Related Keywords
STRETCHING wireproducing TENSION in wire or strips
1 direct subcode
Child Classifications
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- B21F 9/02 by tools adapted also for making connections