DIFF Subgroup
F16L 17/067 Plastics sealing rings
Introduced: January 1995
Full Title
Joints with packing adapted to sealing by fluid pressure > with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges > Plastics sealing rings
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1995.
Child Classifications
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- F16L 17/073 the sealing rings having two lips parallel to each other since 1995 IPC+CPC Available in IPC and CPC