Pipe joints or couplings – With strain relief – Extension of socket or sleeve
Patent
1994-03-22
1995-02-21
Arola, Dave W.
Pipe joints or couplings
With strain relief
Extension of socket or sleeve
285342, 285373, F16L 3500
Patent
active
053909658
ABSTRACT:
A pipe connector comprises a body portion 10 having a male threaded tubular portion 12 defining a cavity 14 and comprises a nut 16 with a female threaded portion 18 and an unthreaded portion 20 of lesser diameter defining a bore 22. The junction between the threaded and unthreaded portions 18, 22 is constituted by an annular seat 24 against which is received a thrust washer 26 and against which in turn is received a sealing washer 28 which bears against the end of the male threaded portion 12.
A radially split collar 32 has a pair of radially extending arms 34, 36 at the split and a clamping screw 38 passing through holes in the arms 36 and 34 to receive a nut 40. A radially outwardly extending annular slot 44 is formed at the mouth of the clamping means 30 and is a snap-fit over a flange 42 on the nut 16. When a pipe 46 is passed through the connector and the connector is screwed together, the clamping means 30 may still be rotated to a convenient rotational orientation before the screw 38 is tightened to clamp the exterior surface of the pipe 46.
REFERENCES:
patent: 1789379 (1931-01-01), Dillon
patent: 2902297 (1959-09-01), Cowon
patent: 3041088 (1962-06-01), Brandon
patent: 3695640 (1972-10-01), Clague
patent: 3720906 (1973-03-01), Punako et al.
patent: 3732526 (1973-05-01), Punako
patent: 4045060 (1977-08-01), Doigle
patent: 4183560 (1980-01-01), Wyss
patent: 4807912 (1989-02-01), Maier
Arola Dave W.
Edward Barber & Company Limited
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