Fatigue resistant fittings and methods of fabrication

Details Fatigue resistant fittings and methods of fabrication Fatigue resistant fittings and methods of fabrication

1978-08-15

1979-08-07

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 1, 277236, 285381, 137318, 138140, 29447, 29157T, B23P 1102, F16J 1508

Patent

active

041635612

ABSTRACT:
A novel, fatigue resistant fitting of the joint ring type used between bolted, flanged sections of high pressure tubing is provided which safely and durably serves the dual functions of high pressure joint sealing and convenient instrumentation tap access. The fitting comprises two concentric, thick-walled cylindrical shells with the outer shell shrink-fitted onto the inner shell which is free of threaded portions or other stress concentration points except for one or two radial bores at about its midlength, and in axial alignment with each of said radial bores, a cleanly threaded aperture of substantially larger diameter through said outer shell. For maximum fatigue resistance under difficult service, the compound shell fitting is also subjected to an autofrettage treatment.

REFERENCES:
patent: 714903 (1902-12-01), Hinds
patent: 2386747 (1945-10-01), Ris
patent: 2608989 (1952-09-01), McDonald
patent: 3734112 (1973-05-01), Finney et al.
patent: 4008049 (1977-02-01), Clemmer et al.

Affiliated with

Also associated with

Rating

Fatigue resistant fittings and methods of fabrication does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fatigue resistant fittings and methods of fabrication, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fatigue resistant fittings and methods of fabrication will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1523503