THREADED COUPLING ASSEMBLIES FOR INTERCONNECTING FLUID-CARRYING CONDUITS

A threaded coupling assembly include a union (12), a tube end (14), and a coupling nut (16). A pair of telescoping indicator rings (30, 32), a radially outer ring and a radially inner ring, are respectively connected to the union and the nut. The inner ring has a first visual characteristic contrast...

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Bibliographische Detailangaben
Hauptverfasser:	JOHNSON, Thomas G, NEISKE, Oliver, EHRKE, Dieter, GOLIGHTLY, Jonathan M
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A threaded coupling assembly include a union (12), a tube end (14), and a coupling nut (16). A pair of telescoping indicator rings (30, 32), a radially outer ring and a radially inner ring, are respectively connected to the union and the nut. The inner ring has a first visual characteristic contrasting with a second visual characteristic of the inner ring. The outer ring has a third visual characteristic contrasting with the second visual characteristic of the inner ring. The first visual characteristic is aligned with and viewable through the window (60) of the outer ring when the threaded coupling assembly is in the fully assembled state, and the first visual characteristic is out of alignment with the window when the threaded coupling assembly is not in the fully assembled state. The assembly may utilize tapered threads and have one or more features for self-alignment and/or sealability.