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PCE
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DIFF Subgroup
F16J 15/30

with sealing rings made of carbon

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Sealings > between relatively-moving surfaces > with stuffing-boxes for rigid sealing rings > with sealing rings made of carbon

CPC:

Sealings > between relatively-moving surfaces (F16J15/50, F16J15/52 take precedence; bellows pistons F16J3/06; piston-rings or ring sealings of similar construction F16J9/00) > with stuffing-boxes for rigid sealing rings > with sealing rings made of carbon

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