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PCE
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DIFF Subgroup
F16L 27/06

with special sealing means between the engaging surfaces

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Adjustable joints; Joints allowing movement > Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction > with partly-spherical engaging surfaces > with special sealing means between the engaging surfaces

CPC:

Adjustable joints; Joints allowing movement (of the quick-acting type F16L37/50; for double-walled or multi-channel pipes or pipe assemblies F16L39/04 ) > Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction > with partly-spherical engaging surfaces > with special sealing means between the engaging surfaces

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1990.

Child Classifications

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  • F16L 27/067 the sealing means being actuated by the medium pressure since 1990 IPC+CPC Available in IPC and CPC
  • F16L 27/073 one of the cooperating surfaces forming the sealing means since 1990 IPC+CPC Available in IPC and CPC