Preloaded misalignment pipe connector

Details Preloaded misalignment pipe connector Preloaded misalignment pipe connector

1977-08-12

1979-01-09

Callaghan, Thomas F.

Pipe joints or couplings

With assembly means or feature

Particular tool-engaging means or with tool

29237, 29446, 285 93, 285167, 285263, 285297, 285309, 285379, F16L 2706

Patent

active

041335570

ABSTRACT:
A misalignment conductor for large pipelines or conductor pipes includes an internal, metal seal ring having an external spherical surface which is axially and circumferentially loaded between opposed internal spherical metal surfaces of connector hubs. Connector body parts engaged with or formed on the pipe connector ends or hubs have spherical surfaces enabling the connector to be made up with the pipe connector hubs disposed over a range of angular misalignment. The sealing ring is preloaded by a loading tool when the connector body parts are secured together to prevent relaxation of the preload on the sealing ring. The metal sealing ring is initially supported on one of the hubs by means enabling angular adjustment of the sealing ring as it is loaded between misaligned hubs.

REFERENCES:
patent: 275098 (1883-04-01), Walker
patent: 1263777 (1918-04-01), Langton
patent: 2866370 (1958-12-01), Biach
patent: 3141685 (1964-07-01), Watts
patent: 3350103 (1967-10-01), Ahlstone
patent: 3466738 (1969-09-01), Mount
patent: 3628812 (1971-12-01), Larralde
patent: 3717920 (1973-02-01), Oliver et al.
patent: 3848899 (1974-11-01), Smith
patent: 4012059 (1977-03-01), Luke et al.
patent: 4012060 (1977-03-01), Reneau

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