Pipe joints or couplings – Particular interface – Tapered
Patent
1983-01-03
1985-09-03
Arola, Dave W.
Pipe joints or couplings
Particular interface
Tapered
285369, 285383, F16L 2500
Patent
active
045388407
ABSTRACT:
Connector means for joining together two adjacent pipe members in a fluid/pressure tight relationship comprising an externally threaded male element cooperatively engageable with an internally threaded female element, the male and female elements each respectively including three adjacent complementary annular sealing surfaces positioned axially adjacent the threaded portion associated respectively therewith, the three adjacent complementary sealing surfaces being arranged in an irregular pattern such that when the male and female elements are threadingly secured together, the three adjacent sealing surfaces associated respectively with the male and female elements sealingly engage one another to form three independent adjacent pressure-tight seals. The sealing arrangement of the present invention is ideally suited for use on both an integral joint system and on a coupled joint system and may be arranged and located in the particular connection so as to form an internally shouldered connection and/or externally shouldered connection.
REFERENCES:
patent: 2006520 (1935-07-01), Stone et al.
patent: 2980451 (1961-04-01), Taylor et al.
patent: 3047316 (1962-07-01), Wehring et al.
patent: 3489437 (1970-01-01), Duret
patent: 3572777 (1971-03-01), Blose
patent: 4244607 (1981-01-01), Blose
patent: 4377302 (1983-03-01), Kohyama
patent: 4433862 (1984-02-01), Raulins et al.
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