Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B24B 19/11

for grinding the circumferential surface of rings, e.g. piston rings (grinding end faces B24B7/16, B24B7/17)

Introduced: September 1968

Title

Titles differ between systems:

IPC: for grinding the circumferential surface of rings, e.g. piston rings

CPC: for grinding the circumferential surface of rings, e.g. piston rings (grinding end faces B24B7/16, B24B7/17)

Full Title

Full titles differ between systems:

IPC:

Single purpose machines or devices for particular grinding operations not covered by any other main group > for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section > for grinding the circumferential surface of rings, e.g. piston rings

CPC:

Single-purpose machines or devices for particular grinding operations not covered by any other main group (tapering, chamfering, or relief cutting of taps or reamers B24B3/20, B24B3/22, grinding screw threads B23G) > for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section > for grinding the circumferential surface of rings, e.g. piston rings (grinding end faces B24B7/16, B24B7/17)

No child classifications to compare. This is a leaf node in both IPC and CPC.