Hydraulic hose and coupling

Claim 1

FOR USE WITH A ONE INCH OR GREATER I.D. HIGH PRESSURE HOSE OF THE TYPE INCLUDING A FLUID-TIGHT INNER CORE AND A PLURALITY OF LAYERS OF FLEXIBLE WIRE BRAID OVER THE CORE, A REUSABLE READILY ATTACHABLE COUPLING, COMPRISING A TUBULAR INSERT OF SLIGHTLY LARGER DIMENSION THAN THE HOSE BORE BUT LESS THAN THE INNER DIMENSION OF THE WIRE BRAID AND SNUGLY INSERTABLE INTO THE HOSE BORE, A SLEEVE SECURED AT ONE END TO ONE END OF THE TUBULAR INSERT AND EXTENDING OVER THE TUBULAR INSERT SPACED THEREFROM IN GENERALLY CONCENTRIC RELATIONSHIP THEREWITH, SAID SLEEVE HAVING AN INNER DIMENSION SLIGHTLY LARGER THAN THE OUTER DIMENSION OF THE HOSE ADAPTED TO RECEIVE THE HOSE THEREIN, SAID TUBULAR INSERT AND SLEEVE HAVING, RESPECTIVELY, IN RADIAL ALIGNMENT, AN EDGED ANNULAR GROOVE AND A PLURALITY OF CLOSELY POSITIONED CIRCUMFERENTIALLY SPACED THREADED OPENINGS OPEN TO THE GROOVE, AND A SET SCREW IN EACH OF THE THREADED OPENINGS HAVING A LARGE GENERALLY FLAT TRANSVERSE END SURFACE ADJACENT THE HOSE AND A SMALLER CENTRALLY LOCATED POINTED PROJECTION THEREFROM OF LESS HEIGHT THAN THE COMPOSITE WALL THICKNESS OF THE WIRE BRAID, SAID SET SCREWS BEING ADAPTED TO BE TIGHTENED AGAINST THE HOSE UNTIL THE FLAT END SURFACES THEREOF ARE DISPOSED AT A MEAN INNER DIMENSION LESS THAN THE ORIGINAL OUTER DIMENSION OF THE BRAID, WHEREAT THE SET SCREWS ARE IN GENERALLY CLOSE PROXIMITY WITH EACH OTHER WITHOUT DIRECT INTERFERENCE AND DIRECTLY AGAINST THE WIRE BRAID, AND THE END SURFACES DEFINE GENERALLY A POLYGON WITH EACH END SURFACE BEING PART OF EACH SIDE THEREOF, EFFECTIVE THEREBY TO DEFORM THE BRAID RADIALLY TOWARD THE TUBULAR INSERT SO AS TO COMPRESS THE INNER CORE LOCATED THEREBENEATH INTO SEALING RELATIONSHIP WITH THE ANNULAR GROOVE OF THE TUBULAR INSERT AND TO EMBED THE PROJECTIONS INTO THE WIRE BRAID TO ESTABLISH A DIRECT METAL INTERLOCK THEREWITH, TO SEAL AND SECURE THE HOSE TO THE COUPLING.