between relatively-moving surfaces (F16J15/50, F16J15/52 take precedence; bellows pistons F16J3/06; piston-rings or ring sealings of similar construction F16J9/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: between relatively-moving surfaces

CPC: between relatively-moving surfaces (F16J15/50, F16J15/52 take precedence; bellows pistons F16J3/06; piston-rings or ring sealings of similar construction F16J9/00)

Full Title

Full titles differ between systems:

IPC:

Sealings > between relatively-moving surfaces

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)

Of 9 combined children, 5 exist in both systems.

4 codes are CPC-only extensions.

Child Classifications

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F16J 15/162 CPC only CPC only
F16J 15/164 CPC only CPC only
F16J 15/166 CPC only CPC only
F16J 15/168 CPC only CPC only
F16J 15/18 with stuffing-boxes for elastic or plastic packings +6 CPC IPC+CPC Available in IPC and CPC
F16J 15/26 with stuffing-boxes for rigid sealing rings IPC+CPC Available in IPC and CPC
F16J 15/32 with elastic sealings, e.g. O-rings IPC+CPC Available in IPC and CPC
F16J 15/34 with slip-ring pressed against a more or less radial face on one member +5 CPC IPC+CPC Available in IPC and CPC
F16J 15/40 by means of fluid +2 CPC IPC+CPC Available in IPC and CPC