Hose fitting

Claim 1

AN END FITTING ASSEMBLY FOR USE WITH A FLEXIBLE HOSE, COMPRISING A STEM MEMBER HAVING AN AXIAL BORE EXTENDING COMPLETELY THERETHROUGH, A SHOULDER PORTION FORMED ON ONE END PORTION OF THE STEM MEMBER BY AN INCREASE IN DIAMETER THEREOF AND ANNULAR PROJECTIONS OF EQUAL DIAMTER FORMED ALONG THE OPPOSITE END PORTIONS THEREOF AND ANNULAR GROOVES DEFINED BETWEEN THE ANNULAR PROJECTIONS, A CURVED SUBSTANTIALLY CONCAVE INTERPLANAR ANNULAR SURFACE BETWEEN THE SHOULDER PORTION AND THE ADJACENT ANNULAR RAISED PORTION, THE DIAMETER OF SAID ANNULAR PROJECTIONS BEING LARGER THAT THE INSIDE DIAMETER OF SAID HOSE SO THAT INSERTION OF THE END PORTION OF THE STEM MEMBER HAVING THE ANNULAR PROJECTIONS THEREON INTO AN END PORTION OF THE HOSE RADIALLY EXPANDS THE HOSE END PORTION, A SUBSTANTIALLY CYLINDRICAL COLLAR HAVING A LARGER INSIDE DIAMETER THAN THE DIAMETER OF THE ANNULAR PROJECTIONS TO DEFINE ADN ANNULAR CAVITY THEREBETWEEN WHICH IS SMALLER IN THICKNESS THAN THE CROSS-SECTIONAL THICKNESS OF SAID HOSE, SAID COLLAR IN ITS ASSEMBLED POSITION BEING MOUNTED SUBSTANTIALLY CONCENTRICALLY ABOUT THE PROJECTIONS OF SAID STEM MEMBER TO COMPRESS THE HOSE RADIALLY AND AXIALLY THEREBETWEEN WITH SAID COLLAR AND STEM MEMBER BEING FREE FROM RADIAL DEFOMATION, SAID COLLAR HAVING AN OUTWARDLY FLANGED ANNULAR PORTION AT ONE OF ITS ENDS WHICH IS POSITIONED OPPOSITE SAID SHOULDER IN THE ASSEMBLED POSITION AND A CURVED SUBSTANTIALLY CONVEX INTERPLANAR ANNULAR SURFACE BETWEEN THE CYLINDRICAL COLLAR AND SAID FLANGED OUTER END, AND ENDMOST PORTION OF SAID HOSE BEING CAUSED TO COLD FLOW BETWEEN SAID SHOULDER AND COLLAR TO THEREBY FORM AN OUTWARDLY EXTENDING FLARE, SAID FLARE BEING AXXIALLY COMPRESSED BETWEEN THE RESPECTIVE CURVED INTERPLANAR SURFACES OF THE COLLAR AND STEM MEMBER, AND MEANS FO RETAINING SAID COLLAR IN AN AXIALLY FIXED POSITION RELATIVE TO SAID STEM MEMBER, WHEREBY IN ASSEMBLY THE ENDMOST PORTION OF THE HOSE WILL BE GUIDED TO ITS OUTWARDLY FLARED POSITION BY SAID CURVED CONCAVE INTERPLANAR ANNULAR SURFACES AND THERE IS COLD FLOW OF THE HOSE INTO THE ANNULAR GROOVES AND THE ENDMOST PORTION OF THE FLARED END OF THE HOSE COMPRESSED BETWEEN THE FLANGED ANNULAR END OF THE HOSE AND THE SHOULER IS OF A SMALLER CROSS-SECTIONAL THICKNESS THAN THE HOSE PORTION COMPRESSED BETWEEN THE RESPECTIVE CURVED INTERPLANAR SURFACES.