Tube coupling

Details Tube coupling Tube coupling

1976-11-12

1978-04-11

Callaghan, Thomas F.

Pipe joints or couplings

Movable jaw

Wedge bushing

285105, 285321, 285423, F16L 1700, F16L 4700

Patent

active

040835863

ABSTRACT:
A releasable tube coupling wherein the tube is retained in a coupling body by means of a resilient tube clamping sleeve which encircles the tube and has radially outwardly projecting detents thereon engaging radially outwardly extending apertures or recesses in the bore of the coupling body. The sleeve is circumferentially contractible to enable its insertion into the coupling body and for tightly clamping the tube. The sleeve is dimensioned to frictionally engage the outer surface of the tube and, when an axially outward force is applied to the tube, the detents are cammed inwardly to cause the sleeve to contract and tightly grip the tube.

REFERENCES:
patent: 1726808 (1929-09-01), Cox
patent: 1796061 (1931-03-01), Swanson
patent: 3635501 (1972-01-01), Thorne-Thomsen
patent: 3743326 (1973-07-01), Courtot et al.
patent: 3815940 (1974-06-01), Luckenbill
patent: 3909046 (1975-09-01), Legris
patent: 4005884 (1977-02-01), Drori

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