Releasable coupling for air carrying tubes

Details Releasable coupling for air carrying tubes Releasable coupling for air carrying tubes

1991-05-17

1992-12-29

Arola, Dave W.

Pipe joints or couplings

With casing, lining or protector

285305, 285308, 285323, 285351, 285422, 285906, 285915, 285 93, F16L 1100

Patent

active

051746115

ABSTRACT:
An improved releasable coupling for a tube is disclosed. The coupling contains a socket with at least four stepped bores. Located within the first bore is a compresion means (such as a collar) which has an inner surface inclined to the axis of first bore. A collet is mounted within the compression means and is so configured that, when the collet is caused to move inwardly, the inclined surface of the compression means causes the jaws of the collet to move inwardly. The coupling also contains a tube support located within the second bore. At least four sealing means are disposed within the third bore: a first O-ring is contiguous with a first washer, which in turn is contiguous with a second O-ring, which in turn is contiguous with a second washer.

REFERENCES:
patent: 3635502 (1972-01-01), Burkhalter
patent: 3909046 (1975-09-01), Legris
patent: 3967838 (1976-07-01), Legris
patent: 3986728 (1976-10-01), Marsh
patent: 4573716 (1986-03-01), Guest
patent: 4630848 (1986-12-01), Twist et al.
patent: 4637636 (1987-01-01), Guest
patent: 4685706 (1987-08-01), Kowal
patent: 4712813 (1987-12-01), Passerell et al.
patent: 4884829 (1989-12-01), Funk et al.

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