Socket tube coupling

Claim 1

A PIPE CONNECTION COMPRISING A RESILIENT FLEXIBLE TUBE WITH A TERMINAL PORTION FORMING A SOCKET MEMBER, A RIGID PIPE MEMBER HAVING AN EXTERNAL DIAMETER GREATER THAN THE INTERNAL DIAMETER OF SAID TUBE IN A RELAXED STATE OF THE LATTER, A RIGID FIRST RING OF INTERNAL DIAMETER GREATER THAN SAID EXTERNAL DIAMETER COAXIALLY RECEIVED IN SAID TUBE AT AN END OF SAID SOCKET MEMBER, A RIGID SECOND RING OF INTERNAL DIAMETER GREATER THAN SAID EXTERNAL DIAMETER RECEIVED IN SAID SOCKET MEMBER AND AXIALLY SPACED FROM SAID FIRST RING, SAID SOCKET MEMBER HAVING A CONSTRICTED WALL PORTION INTERMEDIATE SAID RINGS PERIPHERALLY CONTACTING SAID PIPE MEMBER ALONG A FIRST ZONE, THEREBY SECURING SAID MEMBERS TO EACH OTHER AND FORMING A FIRST SEAL THEREBETWEEN, SAID SOCKET MEMBER CONVERGING BEYOND SAID SECOND RING AND PERIPHERALLY CONTACTING SAID PIPE MEMBER ALONG A SECOND ZONE BEYOND SAID SECOND RING, THEREBY ADDITIONALLY SECURING SAID MEMBERS TO EACH OTHER AND FORMING A SECOND SEAL THEREBETWEEN.