IPC Subgroup
B21L 15/02 Twisting already closed links
Introduced: September 1968
Last revised: January 2006
Full Title
Finishing or dressing chains or chain links, e.g. removing burr material, calibrating > Twisting already closed links
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- MAKING METAL CHAINS
Related Keywords
TWISTING metal in the manufacture of chains or chain links