Hermetically sealed electrical connections

Claim 1

A CONNECTION BETWEEN AN INSULATED ELECTRICAL CONDUCTOR WIRE AND AN ELECTRICAL HEATING UNIT COMPRISING A METAL TUBE FLARED OUTWARDLY OF ITS TERMINAL END AND FURTHER COMPRISES A RESISTANCE HEATING CABLE DISPOSED THEREIN AND INSULATED BY A FIBROUS MATERIAL, SAID CABLE BEING FORMED OF A FINE CONDUCTOR WIRE HELICALLY WOUND ABOUT A FLEXIBLE CORE AND A LONGITUDINALLY EXTENDING CONDUCTIVE STRIP DISPOSED ALONG EACH OF THE OUTER END PORTIONS OF THE CABLE AND CONTACTING THE COILS OF THE RESISTANCE WIRE AND THEREBY FORMING UNHEATED TERMINAL ENDS OF SAID HEATING CABLE, AN INTEGRAL METAL CONECTOR HAVING ONE PAIR OF ARMS EXTENDING IN ONE DIRECTION AND CLINCHED ABOUT THE LAYER OF ASBESTOS INSULATION, A SECOND PAIR OF ARMS EXTENDING IN THE SAME DIRECTION AS THE FIRST PAIR OF ARMS AND CLINCHED ABOUT THE COILS OF THE ELECTRICAL RESISTANCE WIRE, AND A THIRD PAIR OF ARMS EXTENDING OPPOSITE THE SECOND PAIR AND CLINCHED ABOUT THE CONDUCTOR WIRE, SAID CONNECTOR INCLUDING A WEB INTERCONNECTING SAID SECOND AND THIRD PAIRS OF ARMS AND DISPOSED BETWEEN THE ENDS OF THE CONDUCTOR WIRE AND THE HEATING CABLE, SAID CONNECTION BEING ENCAPSULATED IN AN INSULATING MOISTURE BARRIER MATERIAL FROM A POINT INWARDLY OF THE TERMINAL END OF THE INSULATION OF THE ELECTRICAL CORD TO A POINT INWARDLY OF THE TERMINAL END OF THE METAL CONDUIT.