Connecting means for flexible and rigid tubing

Claim 1

IN COMBINATION WITH A LENGTH OF FLEXIBLE TUBING OF SEPARABLE INNER AND OUTER LAYERS OF FLEXIBLE MATERIAL AND A LENGTH OF RIGID TUBING, CONNECTING MEANS FOR JOINING SAID LENGTHS TOGETHER COMPRISING A CUFF SECURED TO THE END OF THE LENGTH OF FLEXIBLE TUBING, SAID CUFF COMPRISING A FLEXIBLE SHARPLY ACUTE TRIANGULAR STRIP HAVING TWO SIDES VERY MUCH LONGER THAN ITS THIRD SIDE WRAPPED IN A PLURALITY OF SUPERPOSED TURNS ABOUT THE INNER LAYER OF SAID FLEXIBLE TUBING AT AN APPRECIABLE DISTANCE FROM THE END THEREOF, SAID STRIP BEING WRAPPED WITH ITS LONG SIDE NEAREST THE END OF SAID INNER LAYER LAID SUBSTANTIALLY UPON ITSELF AT EACH TURN AND WITH ITS OTHER LONG SIDE LAID PROGRESSIVELY NEARER THE END OF SAID INNER LAYER AT EACH TURN, WHEREBY THE WRAPPED STRIP FORMS A LAYER TAPERING IN THICKNESS OVER AN APPRECIABLE DISTANCE TO A MAXIMUM AT THE EDGE THEREOF NEAREST THE END OF SAID INNER LAYER, THE END PORTION OF SAID INNER LAYER BEING BROUGHT OUTWARDLY AROUND THE THICK END OF SAID TAPERED LAYER AND THENCE BACK ALONG THE OUTER SURFACE THEREOF, AND THE CORRESPONDING END PORTION OF THE OUTER LAYER OF SAID FLEXIBLE TUBING BEING LAID OVER THE BACKWARDLY EXTENDING END PORTION OF THE INNER LAYER AND THENCE INWARDLY OVER THE THICK END OF THE TAPERED LAYER; AND CLAMPING MEANS AT THE END PORTION OF THE LENGTH OF RIGID TUBING FOR SUBSTANTIALLY COMPRESSION-FREE ENGAGEMENT WITH SAID TAPERED CUFF COMPRISING ANNULARLY COJOINED OPPOSED INNER AND OUTER TUBULAR CLAMPING MEMBERS OF RIGID MATERIAL, SAID INNER CLAMPING MEMBER BEING OF SUBSTANTIALLY UNIFORM DIAMETER THROUGHOUT ITS LENGTH AND FITTING CLOSELY WITHIN AND CONFORMING TO THE INSIDE SURFACE OF SAID CUFF, AND SAID OUTER CLAMPING MEMBER DEFINING A SUBSTANTIALLY CONTINUOUS BEARING SURFACE EXTENDING OUTWARDLY FROM THE INNER CLAMPING MEMBER AROUND THE THICK OUTER END OF SAID CUFF AND THENCE INWARDLY CLOSELY AGAINST THE OUTSIDE SURFACE OF SAID TAPERED CUFF TO THE THIN END THEREOF.