IPC Subgroup
B23B 31/4 Expansion mandrels
Introduced: September 1968
Last revised: January 2006
Full Title
Chucks; Expansion mandrels; Adaptations thereof for remote control > Expansion mandrels
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- Subclass:
- TURNING; BORING
Related Keywords
expansion MANDRELS for gripping work to be machined
1 direct subcode
Child Classifications
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- B23B 31/42 characterised by features relating primarily to remote control of the gripping means