Piston-rings , seats therefor; Ring sealings of similar construction (other sealings between pistons and cylinders F16J3/06, F16J15/16 ; tools for mounting or removing piston-rings or the like B25B; piston sealing arrangements on brake master cylinders B60T11/236 )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Piston-rings, seats therefor; Ring sealings of similar construction in general

CPC: Piston-rings , seats therefor; Ring sealings of similar construction (other sealings between pistons and cylinders F16J3/06, F16J15/16 ; tools for mounting or removing piston-rings or the like B25B; piston sealing arrangements on brake master cylinders B60T11/236 )

Full Title

Full titles differ between systems:

IPC:

Piston-rings, seats therefor; Ring sealings of similar construction in general

CPC:

Piston-rings , seats therefor; Ring sealings of similar construction (other sealings between pistons and cylinders F16J3/06, F16J15/16 ; tools for mounting or removing piston-rings or the like B25B; piston sealing arrangements on brake master cylinders B60T11/236 )

IPC and CPC are identically structured here. All 8 subcodes exist in both systems.

Child Classifications

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F16J 9/02 L-section rings IPC+CPC Available in IPC and CPC
F16J 9/04 Helical rings IPC+CPC Available in IPC and CPC
F16J 9/06 using separate springs expanding the rings; Springs therefor +2 CPC IPC+CPC Available in IPC and CPC
F16J 9/08 with expansion obtained by pressure of the medium IPC+CPC Available in IPC and CPC
F16J 9/10 Special members for adjusting the rings IPC+CPC Available in IPC and CPC
F16J 9/12 Details IPC+CPC Available in IPC and CPC
F16J 9/26 characterised by the use of particular materials since 1980 IPC+CPC Available in IPC and CPC
F16J 9/28 of non-metals since 1980 IPC+CPC Available in IPC and CPC