Pipe joints or couplings – With leakage or drip disposal – Weep holes
Patent
1989-02-02
1990-09-25
Arola, Dave W.
Pipe joints or couplings
With leakage or drip disposal
Weep holes
285 39, 285119, 285332, 2853342, 285354, 285917, F16L 5500
Patent
active
049588567
ABSTRACT:
A sealing joint for use in a conduit system where an elevated pressure may exist at one side of the system comprises a pair of co-axial tubular metal sections with intermesting tapered edges which are clamped against each other by fastening means, such as a swivel nut, so as to establish a fluid tight seal formed by the conical contact area between the tapered surfaces of said edges.
One of the tubular sections has a tapered edge which is at one side thereof exposed to the elevated pressure. This section has a smaller wall thickness than the tapered edge of the other tubular section so as to allow the elevated pressure to press said tapered edges onto each other.
REFERENCES:
patent: 872001 (1907-11-01), Massie
patent: 2366010 (1944-12-01), Dies
patent: 4650227 (1987-03-01), Babuder
Arola Dave W.
Shell Internationale Research Maatschappij B.V.
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