Flat-face tube connector

Details Flat-face tube connector Flat-face tube connector

1984-11-28

1985-07-16

Callaghan, Thomas F.

Pipe joints or couplings

Packed

Wedge

2853827, F16L 1908

Patent

active

045292310

ABSTRACT:
The invention pertains to a fitting for tubes wherein a flat face fitting having a sealing face perpendicular to the fitting axis may be sealed to a metallic tube without modification to the tube. An annular ferrule mounted upon the tube includes a head having a flat radial surface for engaging the fitting seal face, and the ferrule includes an annular deformable sleeve portion having internal serrations deformed into a metal-to-metal sealing relationship with the tube by a compression nut threaded upon the fitting body. The ferrule and nut include abutment surfaces which engage to limit nut tightening preventing over-stressing of the ferrule and fitting components.

REFERENCES:
patent: 2377891 (1945-06-01), Laue
patent: 2511134 (1950-06-01), Stranberg
patent: 2693374 (1954-11-01), Wurzburger
patent: 2912262 (1959-11-01), Franck
patent: 3468566 (1969-09-01), Nietzel
patent: 3857591 (1974-12-01), Voss
patent: 4136896 (1979-01-01), Rodman et al.
patent: 4136897 (1979-01-01), Haluch
Aeroquip Industrial Engineering Bulletin IEB 277-1982.

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