IPC Subgroup
B23F 9/1 with a face-mill
Introduced: September 1968
Last revised: January 2006
Full Title
Making gears having teeth curved in their longitudinal direction > by milling, e.g. with helicoidal hob > with a face-mill
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- Subclass:
- MAKING GEARS OR TOOTHED RACKS
Related Keywords
face- HOBBING of gear teeth
2 direct subcodes
Child Classifications
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