Coupling nut assembly

Claim 1

A COUPLING ASSEMBLY FOR USE WITH A PIPE COMPRISING A SLEEVE TELESCOPED AROUND SAID PIPE AND INCLUDING A WEDGING SURFACE TAPERED INWARDLY FROM THE END OF SAID SLEEVE TOWARD SAID PIPE, COUPLING NUT MEANS HAVING A WALL PORTION SPACED OUTWARDLY FROM AND ENCIRCLING SAID PIPE TO DEFINE AN ANNULAR GASKET RECEIVING RECESS AROUND SAID PIPE, SAID COUPLING NUT MEANS INCLUDING FLANGE MEANS EXTENDING INWARDLY FROM SAID WALL PORTION TOWARD SAID PIPE DEFINING AN END WALL OF SAID RECESS OPPOSITE SAID WEDGING SURFACE ON SAID SLEEVE, MEANS INTERCONNECTING SAID SLEEVE AND COUPLING NUT MEANS FOR MOVING SAID FLANGE MEANS TOWARD AND AWAY FROM SAID SLEEVE, ELASTOMERIC, ANNULAR GASKET MEANS AROUND SAID PIPE WITHIN SAID RECESS HAVING A FORWARD END DISPOSED BETWEEN SAID WEDGING SURFACE AND SAID PIPE AND A REAR END FACING SAID FLANGE MEANS, AND WEDGE RING MEANS BONDED TO SAID FORWARD END OF SAID GASKET MEANS, SAID WEDGE RING MEANS HAVING A FIRST SURFACE TAPERED ON ITS OUTER CIRCUMFERENCE COMPLEMENTARY TO SAID WEDGING SURFACE AND A SECOND SURFACE HAVING ITS INNER PERIPHERY SHAPED TO CLOSELY EMBRACE SAID PIPE, AT LEAST ONE RADIALLY EXTENDING FACE ON SAID RING, A PLURALITY OF SUBSTANTIALLY RADIALLY EXTENDING SERRATIONS FORMED ON SAID AT LEAST ONE RADIAL FACE AND TERMINATING IN RADIALLY EXTENDING TEETH PROJECTING OUTWARDLY FROM SAID FIRST AND SECOND SURFACES, A PLURALITY OF WIRELIKE BURRS EXTENDING FROM SAID RADIAL TEETH OUTWARDLY FROM SAID FIRST AND SECOND SURFACES OF SAID WEDGE RING MEANS GRIPPING THE SLEEVE AND PIPE IN SEALED RELATION.