IPC Subgroup
B23F 21/16 Hobs
Introduced: September 1968
Last revised: January 2006
Full Title
Tools specially adapted for use in machines for manufacturing gear teeth > Milling tools > Hobs
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- Subclass:
- MAKING GEARS OR TOOTHED RACKS
Related Keywords
gear HOBS
1 direct subcode
Child Classifications
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- B23F 21/18 Taper hobs, e.g. for bevel gears