Releasable tube coupling

Details Releasable tube coupling Releasable tube coupling

1979-02-02

1980-01-01

Arola, Dave W.

Pipe joints or couplings

Frangible element

285 39, 285305, 285321, 285340, 285423, F16L 3712

Patent

active

041813294

ABSTRACT:
A releasable coupling for plastic or metal tubes wherein the means for retaining one end of a tube within the coupling body comprises a metal retainer ring having circumferentially spaced spring fingers thereon which incline radially and axially inwardly from the outer periphery of the ring. The inner ends of the fingers are adapted to frictionally engage and bite into the surface of a tube inserted therethrough to prevent its withdrawal. Axial movement of the ring within the coupling body is prevented in one direction by axially extending fingers on the ring engaging an inwardly projecting annular shoulder in the bore of the body. Axial movement of the ring in the opposite direction is prevented by retaining means located at least partially within the bore of the body positioned adjacent an annular seal engaging one face of the ring.

REFERENCES:
patent: 1019000 (1912-02-01), Watson
patent: 3874709 (1975-04-01), MacDonald
patent: 4073514 (1978-02-01), Pate
patent: 4146254 (1979-03-01), Turner

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