Fitting for tubing

Details Fitting for tubing Fitting for tubing

1988-10-11

1990-07-10

Arola, Dave W.

Pipe joints or couplings

Packed

Wedge

285354, 2853827, F16L 1904

Patent

active

049402633

ABSTRACT:
A fitting made up of a body, a ferrule and a nut. The ferrule has a reduced size cylindrical member that is received in an end of a thin wall tube. The nut and the deformable ferrule are placed over the tube. The nut is wrenched onto the body, which deforms the ferrule at the ferrule groove displacing material of the ferrule inwardly against the tube, bringing the inner surface of the ferrule into sealing engagement with the outer surface of the tube and the inner surface of the tube with the outer reduced cylindrical surface of the body and at both faces of the ferrule. A seal is thus accomplished at the inside surface of the ferrule, forcing the tube into engagement with the reduced size member of the body, thereby reinforcing the tube.

REFERENCES:
patent: Re22713 (1946-01-01), Howe
patent: 1063926 (1913-06-01), Schuermann
patent: 1740767 (1929-12-01), Cox
patent: 2287889 (1942-06-01), Krumsiek et al.
patent: 2406488 (1946-08-01), Brock
patent: 2475026 (1949-07-01), Hynes et al.
patent: 2479058 (1949-08-01), Botting
patent: 2496510 (1950-02-01), Wolfram
patent: 2693375 (1954-11-01), Wurzburger
patent: 3055684 (1962-09-01), Currie
patent: 3174778 (1965-03-01), Gross
patent: 3214200 (1965-10-01), Carlson et al.
patent: 3219367 (1965-11-01), Franck
patent: 3584900 (1971-06-01), Lennon et al.
patent: 4162802 (1979-07-01), Cox

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