Hose coupling

Claim 1

IN COMBINATION, A NIPPLE AND A FLEXIBLE HOSE FOR CONVEYING HIGH, FLUCTUATING PRESSURE FLUIDS, SAID FLEXIBLE HOSE HAVING AN INNER LINER OF RUBBER-LIKE EXPANDIBLE MATERIAL SURROUNDED BY A CLOSE FITTING COVER OF BRAIDED FABRIC STRANDS, SAID LINER AND COVER BEING CAPABLE OF RADIAL EXPANSION BUT WHEN EXPANDED TENDING TO RETURN TO THEIR INITIAL DIMETERS, SAID NIPPLE HAVING A TUBULAR BODY INSERTED WITHIN ONE END OF SAID HOSE, THE OUTER DIAMETER OF SAID TUBULAR BODY BEING SLIGHTLY GREATER THAN THE INSIDE DIAMETER OF SAID FLEXIBLE HOSE, WHEREBY SAIF ELXIBLE HOSE RESILIENTLY GRIPS SAID TUBULAR BODY, SAID TUBULR BODY HAVING A FIRST RIB ADJACENT THE LEADING END THEREOF AND A SECOND RIB SPACED REARWARDLY OF SAID FIRST RIB, EACH OF SAID RIBS HAVING A REARWARDLY FACING TRANSVERSE SHOULDER AND A CYLINDRICAL OUTER FACE WHICH MERGES WITH SAID TRANSVERSE SHOULDER TO FORM THE OUTER EDGE OF SAID RIBS, THE OUTER EDGE OF SAID FIRST RIB HAVING A RADIUS OF FROM .015 TO .030 INCH AND THE OUTER EDGE OF SAID SECOND RIB HAVING A RADIUS OF FROM .000 TO .005 INCH, SAID RIBS HAVING A SURFACE THEREBETWEEN WHICH IS OUTWARDLY TAPERED FROM A POSITION ADJACENT THE BASE OF THE TRANSVERSE SHOULDER OF SAID FIRST RIB AT AN ANGLE LESS THAN THE ANGLE OF FRICTION BETWEEN SAID NIPLE AND SAID HOSE, SAID TAPERED SURFACE FRICTIONALLY HOLDING SAID HOSE SO AS TO ABSORB AT LEAST A PART OF ANY PULLOUT FORCES NOT ABSORBED BY THE GRIP OF SAID FIRST RIB UPON SAID HOSE, SAID FIRST RIB ALSO HAVING A TAPERED PORTION FORWARLY THEREOF TO FACILITATE INSERTION OF SAID NIPPLE INTO SAID HOSE, THE OUTER DIAMETER OF EACH OF SAID RIBS BEING SUBSTANTIALLY THE SAME AND SUFFICIENTLY GREATER THAN THE INSIDE DIAMETER OF SAID HOSE THAT SAID HOSE IS EXPANDED BY SAID RIBS BUT SAID HOSE STILL GRIPS A SUBSTANTIAL PORTION OF SAID RIBS, INCLUDING SAID TAPERED SURFACES AND SAID TRANSVERSE SHOULDERS, THE GRIP BETWEEN SAID HOSE AND NIPPLE BEING THE SOLE MEANS FOR HOLDING SAID NIPPLE AND FLEXIBLE HOSE TOGETHER.