Pipe joints or couplings – Particular interface – Tapered
Patent
1979-12-10
1985-11-05
Arola, Dave W.
Pipe joints or couplings
Particular interface
Tapered
285114, 285355, 285383, 29434, 29525, F16L 2500
Patent
active
045509379
ABSTRACT:
Threaded pipe joint in which tip of the male member engages shoulder within the female member and any excess in the outer diameter of the male member over the corresponding inner diameter of the female member is so small that the hoop stress in the female member does not exceed the axial stress therein.
REFERENCES:
patent: 2051499 (1936-08-01), Siegle
patent: 3059697 (1962-10-01), Pitts
patent: 3146142 (1964-08-01), Maly
patent: 3489437 (1970-01-01), Duret
The Brittleness of Steel; M. Szczepinski; John Wiley and Sons, 1963, pp. 187-199.
Arola Dave W.
Vallourec S.A.
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