Hose fitting

Claim 1

A HOSE FITTING FOR A HOSE OF THE TYPE HAVING A LINER OF SUBSTANTIALLY INCOMPRESSIBLE PLASTIC MATERIAL SUBJECT TO COLD FLOW AND REINFORCED WITH A BRAIDED WIRE SHEATH, SAID FITTING COMPRISING WHEN IN ASSEMBLED RELATIONSHIP: A TUBULAR NIPPLE HAVING ONE END FOR INSERTION WITHIN THE LINER OF SAID HOSE WITH AN ANNULAR PORTION FOR ACCOMMODATING A RADIALLY INWARDLY DIRECTED FLARE AT THE END OF SAID LINER, SAID PORTION INCLUDING A PLURALITY OF AXIALLY SPACED SUBSTANTIALLY CYLINDRICAL SURFACES OF PROGRESSIVELY INCREASING DIAMETER TOWARDS SAID ONE END OF THE NIPPLE, ADJACENT CYLINDRICAL SURFACES ON SAID NIPPLE BEING JOINED BY SUBSTANTIALLY RADIAL SURFACES, AND AN OPPOSITE END EXTENDING THEREFROM; A BODY MEMBER IN THE FORM OF A SLEEVE HAVING ONE END TELESCOPING OVER SAID OPPOSITE END OF THE NIPPLE AND ADAPTED TO EXTEND OVER THE END OF SAID LINER BUT UNDER THE END OF SAID SHEATH, THE INTERIOR OF SAID SLEEVE BEING PROVIDED WITH A ZONE INCLUDING A PLURALITY OF AXIALLY SPACED SUBSTANTIALLY CYLINDRICAL SURFACES OF PROGRESSIVELY INCREASING DIAMETER TOWARDS SAID ONE END OF THE SLEEVE COMPLEMENTAL TO THE SUBSTANTIALLY CYLINDRICAL SURFACES OF SAID ANNULAR PORTION OF THE NIPPLE AND ARRANGED WHEN THE SLEEVE AND NIPPLE ARE ASSEMBLED TO FLARE RADIALLY INWARDLY AND DEVELOP SIMULTANEOUSLY A PLURALITY OF AXIALLY SPACED ANNULAR REGIONS OF HIGH SQUEEZE UPON THE END OF SAID LINER, ADJACENT ONES OF SAID CYLINDRICAL SURFACES ON SAID SLEEVE BEING JOINED BY RADIALLY INWARDLY DIRECTED FRUSTOCONICAL SURFACES, MEANS FOR SECURING SAID SLEEVE TO SAID OPPOSITE END OF THE NIPPLE, AND COUPLING MEANS DISPOSED AT THE OTHER END OF SAID SLEEVE; AND A SOCKET MEMBER ADAPTED TO SURROUND SAID SHEATH AND HAVING ONE END IN TELESCOPING ENGAGEMENT WITH SAID BODY MEMBER AND ANOTHER END OVERLYING THE SAID ONE END OF THE NIPPLE, SAID SOCKET MEMBER BEING ARRANGED TO COOPERATE WITH SAID NIPPLE AND SAID SLEEVE FOR SECURING THE FITTING TO THE END OF THE HOSE.