Fitting for smooth wall tubes

Details Fitting for smooth wall tubes Fitting for smooth wall tubes

1981-07-13

1984-05-08

Arola, Dave W.

Pipe joints or couplings

With fluid pressure seal

With separate, encased pipe-gripping means

285323, 285338, F16L 3316

Patent

active

044470770

ABSTRACT:
A fitting for mounting to the ends of smooth wall tubes, the fitting having an entry for the tube and a collet which grips on the outside diameter of the tube by means of a mechanical spring. The fitting also seals on the inside diameter of the tube. A passageway extends through the fitting such that the tube is in fluid communication with a supply source, the fluid being able to flow between the supply source and the tube. The fluid pressure activates a piston in the fitting which causes the collet to engage the tube more securely and also increases the seal within the inside diameter of the tube.

REFERENCES:
patent: 3738688 (1973-06-01), Racine
patent: 3779587 (1973-12-01), Racine
patent: 3868132 (1975-02-01), Racine
patent: 4154465 (1979-05-01), Van Meter
patent: 4225159 (1980-09-01), Van Meter
patent: 4326407 (1982-04-01), Van Meter

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