Pressure responsive fluid tight hose coupling

Claim 1

IN A HOSE CONNECTION FOR SECURING THE TERMINAL END OF A HOSE, A TUBULAR COUPLING MEMBER AXIALLY ALIGNED WITH SAID HOSE AND HAVING A RADIAL FLANGE FORMING AN END WALL STOP FOR THE TERMINAL END OF SAID HOSE; A TUBULAR NIPPLE MOUNTED INTERIORLY OF SAID HOSE AND HAVING A PORTION SLIDABLY MOUNTED INTERIORLY OF SAID COUPLING MEMBER; SAID NIPPLE HAVING AN EXTERIORLY TAPERED PORTION POSITIONED INTERIORLY OF SAID HOSE, SAID NIPPLE HAVING A GREATER EFFECTIVE TRANSVERSE AREA AT THE END OF THE NIPPLE INTERIORLY OF SAID COUPLING MEMBER THAN THE EFFCTIVE TRANSVERSE AREA AT ITS OTHER END; A PLURALITY OF AXIALLY ORIENTED WEDGES CIRCUMSCRIBING SAID HOSE, SUPERIMPOSED OF SAID TAPERED PORTION OF SAID NIPPLE AN AXIALLY TAPERED OUTER SURFACE; A TUBULAR WEDGES HAVING AN AXIALLY TAPERED OUTER SURFACE; A TUBULAR SLEEVE HAVING A TAPERED CONICAL INNER SURFACE CIRCUMSCRIBING SAID WEDGE SEGMENTS AND ENGAGEABLE THEREWITH, SAID TAPER OF SAID SLEEVE BEING SUBSTANTIALLY THE SAME AS THE TAPER OF SAID WEDGES, AND MEANS SECURING SAID SLEEVE TO SAID COUPLING MEMBER TO HOLD IT AGAINST AXIAL MOVEMENT RELATIVE THERETO, WHEREBY WHEN IN OPERATION A DIFFERENTIAL FORCE IS SET UP IN SAID NIPPLE TENDING TO FORCE SAID NIPPLE OUT OF SAID COUPLING MEMBER AND TO CAUSE AXIAL MOVEMENT OF SAID HOSE AND SAID WEDGES THEREBY INCREASING THE RADIAL PRESSURE BETWEEN SAID NIPPLE AND SAID WEDGES UPON SAID HOSE.