Pipe joints or couplings – With assembly means or feature – Guide and support
Patent
1998-08-06
2000-05-09
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Guide and support
285 31, 285 39, 285 40, 2851391, 2851392, 2851393, 2851411, 28514819, 285302, 285423, 285906, 723671, 7237016, 29525, F16L 3500
Patent
active
060593210
ABSTRACT:
A fitting is provided for joining to a smooth exterior periphery of a tubular conduit with a seal member sealing therebetween. The fitting has a tubular body with a central passage for receiving the tubular conduit. The central passage defines a central axis for the fitting and has a tapered opening, a threaded section, a seal section and a stop which circumferentially extend coaxially about the central axis. An annular shaped seal member extends from the seal section for sealingly engaging the exterior periphery of the tubular conduit. The tapered opening of the fitting provides an entrance to the central passage which is sized for receiving and end of the tubular conduit having an oval shaped periphery, and then rounding the exterior periphery such that annular shaped seal member will sealingly engage the exterior of the tubular conduit. The seal section is disposed between the tapered opening and the threaded section of the central passage. The threaded section is inwardly tapered and has thread crests which extend with edges for scoring the exterior periphery of the tubular conduit such that the threads will grippingly engage within the tubular conduit and pull the tubular conduit further within the central passage when the fitting is rotated in a first angular direction.
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Arola Dave W.
Group Timerline, Inc.
Handley Mark W.
Howison Gregory M.
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