Double-ended flexible pipe joint having stacked co-axial primary and secondary annular elastomeric flex elements

Abstract . A double-ended flexible pipe joint has first and second extension pipes extending from opposite ends of an outer housing, and first and second primary annular elastomeric flex 5 elements mounting the first and second extension pipes to the outer housing. An inner housing is disposed in th...

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Bibliographische Detailangaben
Hauptverfasser:	SPICER, CARL C, GUTIERREZ-LEMINI, DANTON, CRUSE, GREGORY P, POTTORFF, TODD M, PEREIRA, JESNER H, PEPPEL, GEORGE W, PATRICK, JAMES G
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS 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 MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Abstract . A double-ended flexible pipe joint has first and second extension pipes extending from opposite ends of an outer housing, and first and second primary annular elastomeric flex 5 elements mounting the first and second extension pipes to the outer housing. An inner housing is disposed in the outer housing, and first and second secondary annular elastomeric flex elements disposed in the inner housing mount the first and second extension pipes to the inner housing. Tension upon the first and second extension pipes places each of the first and second primary flex elements and each of the first and second secondary flex elements in compression. 10 The first and second secondary flex elements contain fluid pressure within the first and second extension pipes so that the first and second primary flex elements are not subjected to the fluid pressure within the extension pipes.