Lengthened tubular pin member nose for improving sealing integri

Details Lengthened tubular pin member nose for improving sealing integri Lengthened tubular pin member nose for improving sealing integri

1988-03-09

1989-01-03

Arola, Dave W.

Pipe joints or couplings

Particular interface

Tapered

285917, F16L 2500

Patent

active

047952008

ABSTRACT:
A tubular connection having a nose extension on the pin member for stiffening the member and exhancing the conical seal area forward of the first thread, which seal is spaced at a distance from the time end by a non-sealing nose extension that is at least as long as the sealing area. The integrity of the seal is improved, the bearing surface is enlarged and the tendency of galling is reduced.

REFERENCES:
patent: 2107716 (1938-02-01), Singleton
patent: 2211179 (1940-08-01), Stone
patent: 2992019 (1961-07-01), MacArthur
patent: 3307860 (1967-03-01), Blount et al.
patent: 4624488 (1986-11-01), Furgerson
patent: 4662659 (1987-05-01), Blose et al.
Formulas for Stess and Strain, Chapter 12, Roark and Young.
Abstract from ANSYS FEM Handbook.
Stress Analysis and FEA, Excerpts from Hydril Engineering Reports, 1 p.

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