Patent ID: 8424924

Claim:
A fusion pipe joint assembly comprising: a fusion pipe ring comprising: a first front face; a first rear face; a first inside surface region; a first outside surface region having a first diameter threaded with an outside thread, wherein the first outside surface region adjoins the front face; and a second outside surface region having a second diameter less than or equal to the first diameter; wherein at least one of the first outside surface region and the second outside surface region comprises a first thermoplastic material; a fusion pipe socket comprising: a second front face; a second rear face; a third outside surface region; a second inside surface region having a third diameter threaded with an inside thread configured to engage with the outside thread of the fusion pipe ring, wherein the second inside surface region adjoins the second front face; and a third inside surface region having a fourth diameter configured to mate with the second outside surface region of the fusion pipe ring; wherein at least one of the second inside surface region and the third inside surface region comprises a second thermoplastic material; and at least one of: a first susceptor layer disposed between the first outside surface region of the fusion pipe ring and the second inside surface region of the fusion pipe socket; and a second susceptor layer disposed between the second outside surface region of the fusion pipe ring and the third inside surface region of the fusion pipe socket.