Coupler for tubing

Details Coupler for tubing Coupler for tubing

1977-03-16

1979-03-27

Arola, Dave W.

Pipe joints or couplings

With fluid pressure seal

With separate, encased pipe-gripping means

285175, 285331, 285340, 285351, 285369, 285383, 285423, F16L 1702

Patent

active

041462548

ABSTRACT:
A coupler which is for tubing and which has a tube receiving bore therein. A sealing ring, spacer ring and lock ring are coaxially located within the coupler bore. When a tube is inserted into the coupler bore, the sealing ring makes contact between the coupler and tube with the spacer and locking ring cooperating to cause the locking ring when the tube is pressurized to firmly engage the tube, thus preventing the tube from being withdrawn from the coupler.

REFERENCES:
patent: 2272811 (1942-02-01), Nathan
patent: 3312483 (1967-04-01), Leadbetter et al.
patent: 3532367 (1970-10-01), Roos
patent: 3600010 (1971-08-01), Downs et al.
patent: 3633944 (1972-01-01), Hamburg
patent: 3645567 (1972-02-01), Reinker
patent: 3743326 (1973-07-01), Courtot
patent: 3837687 (1974-09-01), Leonard
patent: 3874709 (1975-04-01), MacDonald
patent: 4005884 (1977-02-01), Drori

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