Pipe joint

Details Pipe joint Pipe joint

1982-04-13

1984-09-25

Scanlan, Jr., Richard J.

Pipe joints or couplings

Particular interface

Tapered

2853323, 285355, F16L 2500, F16L 1900

Patent

active

044732457

ABSTRACT:
A pipe joint in which a metal-to-metal seal is provided on the exterior of the pipe, a torque shoulder provides a further metal-to-metal seal and a still further seal is provided by a resilient ring. The box is protected against ballooning which might result in jump out of the threads by proportioning the thickness of the box at the point of seal at the maximum diameter of seal to the outer diameter of the box as compared to the full wall thickness of the pipe related to the outer diameter of the pipe.

REFERENCES:
patent: 2610028 (1952-09-01), Smith
patent: 2907589 (1959-10-01), Knox
patent: 2932531 (1960-04-01), Briechle
patent: 3047316 (1962-07-01), Wehring et al.
patent: 3100656 (1963-08-01), MacArthur
patent: 3467413 (1969-09-01), Madrelle
patent: 3489437 (1970-01-01), Duret
patent: 3489438 (1970-01-01), McClure
patent: 3497246 (1970-02-01), Weiner
patent: 3508771 (1970-04-01), Duret
patent: 3658368 (1972-04-01), Hokanson
patent: 3850461 (1974-11-01), Fujioka et al.
patent: 3856337 (1974-12-01), Ehm et al.
patent: 4004832 (1977-01-01), Connelly
patent: 4398756 (1983-08-01), Duret et al.

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