IPC Subgroup
B21G 1/1 equipped with locking means for the material to be drawn through, e.g. for repairing tubeless tyres
Introduced: September 1968
Last revised: January 2006
Full Title
Making needles used for performing operations > equipped with locking means for the material to be drawn through, e.g. for repairing tubeless tyres
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- MAKING NEEDLES, PINS OR NAILS OF METAL