IPC Subgroup
B21L 1/04 by bending and interconnecting the ends of the workpieces with or without separate jointing members
Introduced: September 1968
Last revised: January 2006
Full Title
Making chains or chain links by bending workpieces of rod, wire, or strip to form links of oval or other simple shape > by bending and interconnecting the ends of the workpieces with or without separate jointing members
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- MAKING METAL CHAINS