IPC Subgroup
B24B 21/04 for grinding plane surfaces
Introduced: September 1968
Last revised: January 2006
Full Title
Machines or devices using grinding or polishing belts; Accessories therefor > for grinding plane surfaces
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- GRINDING; POLISHING
- Subclass:
- MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
3 direct subcodes
Child Classifications
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- B24B 21/06 involving members with limited contact area pressing the belt against the work, e.g. shoes sweeping across the whole area to be ground
- B24B 21/1 involving a rigid member, e.g. pressure bar, table, pressing or supporting the belt over substantially its whole span
- B24B 21/12 involving a contact wheel or roller pressing the belt against the work