Sealings

Introduced: September 1968

Of 9 combined children, 7 exist in both systems.

1 codes are CPC-only extensions, 1 exist only in IPC.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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F16J 15/002 +3 CPC CPC only CPC only
F16J 15/02 between relatively-stationary surfaces (F16J15/46, F16J15/48 take precedence) +1 CPC IPC+CPC Available in IPC and CPC
F16J 15/16 between relatively-moving surfaces (F16J15/50, F16J15/52 take precedence; bellows pistons F16J3/06; piston-rings or ring sealings of similar construction F16J9/00) +4 CPC IPC+CPC Available in IPC and CPC
F16J 15/44 Free-space packings +4 CPC IPC+CPC Available in IPC and CPC
F16J 15/46 with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings (connection of valves to inflatable elastic bodies B60C29/00; ; for tube connections F16L) IPC+CPC Available in IPC and CPC
F16J 15/50 between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall IPC+CPC Available in IPC and CPC
F16J 15/53 using magnetic means since 1995 IPC only IPC only
F16J 15/54 Other sealings for rotating shafts +1 CPC IPC+CPC Available in IPC and CPC
F16J 15/56 Other sealings for reciprocating rods IPC+CPC Available in IPC and CPC