Pipe coupler arrangement

Details Pipe coupler arrangement Pipe coupler arrangement

1982-09-07

1985-02-12

Chambers, A. Michael

Valves and valve actuation

With correlated flow path

Valve operated by joining flow path sections

285277, 285316, 251DIG1, F16L 3728

Patent

active

044986580

ABSTRACT:
A pipe coupler including a socket having a valve member provided with a fluid passage and a plug designed to engage and open the valve member. A locking ball is provided to retain the plug relative to the socket after insertion therein. The valve member includes a blank flange normally engaged against an annular seal to close the fluid passage. A locking ball-bearing annulus is slidably mounted within the socket to normally hold the locking ball in a disengaged position. A single O-ring is positioned between the valve member and the bearing annulus in such a manner that the single O-ring is not subjected to any axially excessive force when the blank flange engages the annular seal. The single O-ring includes an outer surface and an inner surface which seal against the inner surface of the socket and the outer surface of the plug, respectively. The single O-ring is axially displaced relative to the blank flange and the annular seal to engage the plug and form a seal therebetween prior to the engagement or disengagement of the blank flange by the plug.

REFERENCES:
patent: 3052261 (1962-09-01), Nyberg
patent: 3378225 (1968-04-01), Snyder, Jr.
patent: 3583667 (1971-06-01), Amneus
patent: 3788598 (1974-01-01), German et al.
patent: 4118006 (1978-10-01), Norton et al.
patent: 4280523 (1981-07-01), Norton

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