DIFF Subgroup
F16L 17/03 having annular axial lips
Introduced: July 1974
Full Title
Joints with packing adapted to sealing by fluid pressure > with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket > having annular axial lips
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1990.
Child Classifications
Navigate with arrow keys, Enter to open
- F16L 17/035 the sealing rings having two lips parallel to each other since 1990 IPC+CPC Available in IPC and CPC