IPC Subgroup
B21H 1/14 balls, rollers, cone rollers, or like bodies
Introduced: September 1968
Last revised: January 2006
Full Title
Making articles shaped as bodies of revolution > balls, rollers, cone rollers, or like bodies
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
Related Keywords
making SHOT(S) by rolling
1 direct subcode
Child Classifications
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- B21H 1/16 for bearings