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PCE
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DIFF Subgroup
B21H 1/08

railway wheel rims

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Making articles shaped as bodies of revolution > rings of restricted axial length > railway wheel rims

CPC:

Making articles shaped as bodies of revolution (rolling tubes B21B17/00 - B21B25/00) > rings of restricted axial length (extending closed shapes of metal bands by simultaneous rolling at two or more zones B21B5/00) > railway wheel rims

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