Pipe joints and the oasketing thereof

Claim 1

A PIPE JOINT COMPRISING A PAIR OF SECTIONS OF GROOVED END PIPE POSITIONED FOR COUPLING, AN ANNULAR COUPLING HOUSING OVERLYING PORTIONS OF SAID SECTIONS OF PIPE ADJACENT THE ENDS THEREOF, SAID HOUSING BRIDGING THE ENDS OF SAID PIPE SECTIONS AND CARRYING RADIALLY INWARDLY EXTENDING ANNULAR KEY MEMBERS ENGAGED WITH THE GROOVE IN SAID SECTIONS OF PIPE TO HOLD SAID SECTIONS OF PIPE TOGETHER, SAID COUPLING HOUSING BEING FORMED WITH AN INTERIOR ANNULAR CHANNEL, SAID CHANNEL BEING IN OVERLYING RELATIONSHIP WITH RESPECT TO SAID PIPE ENDS AND THE PORTIONS OF SAID PIPE BETWEEN SID GROOVES AND SAID ENDS, A CONTINUOUS ANNULAR RESILIENT GASKET WITHIN SAID CHANNEL, SAID GASKET HAVING A BASE PORION, RADIALLY INWARDLY EXTENDING SIDE PORTIONS EXTENDING FROM THE OPPOSITE SIDES OF SAID BASE PORTION AND LIP PORTIONS EXTENDING TOWARDS EACH OTHER FROM THE RADIALLY INNERMOST PORTIONS OF SAID SIDE PORTIONS, SAID BASE PORTION, SIDE PORTIONS, AND LIP PORTIONS OF THE GASKET DEFINING AN INTEGRAL BODY WHICH IS C-SHAPED IN TRANVERSE SECTION, SAID LIP PORTIONS, AND LIP PORTIONS OF THE APART ENDS AND SAID LIP PORTIONS HAVING THE INNER SURFACES THEREOF ENGAGED WITH THE SURFACES OF SAID PIPES WITHIN SAID COUPLING HOUSINGS, AN ELASTOMERIC ANNULAR MEMBER CARRIED BY SAID GASKET AND EXTENDING RADIALLY INWARDLY FROM THE BASE PORTION OF THE GASKET BETWEEN TH SIDE PORTIONS AND LIP PORTIONS THEREOF, THE RADIALLY INNER EDGE PORTION OF THE ANNULAR MEMBER LYING BETWEEN THE END SURFACES OF SAID PIPE SECTIONS, THE END SURFACES OF SAID PIPE SECTINS EXTENDING INTO COMPRESSIVE ENGAGEMENT WITH THE RESPECTIVE END SURFACES OF THE ANNULAR MEMBER SO AS TO DEFORM THE ANNULAR MEMBER AND FORM SEALS THEREWITH.