Patent ID: 7458617

Claim:
A pipe assembly useful in a repeating end-to-end threaded connection for forming a pipe string, comprising: a generally tubular composite pipe segment defined by a first end and a second end each said first and second end including a generally equal tapered wall reducing in thickness at the end opening, each tapered end wall being defined by substantially symmetrical interior frustoconical surfaces in opposing alignment with corresponding substantially symmetrical exterior frustoconical surfaces; a first and second end fitting each including an interior and an exterior tubular piece, said interior piece being conformed for coaxial telescopically nested receipt within said exterior piece, said interior and exterior pieces each further including respective skirts conformed for mating alignment along a corresponding one of said interior and exterior frustoconical surfaces for bonding therewith; a threaded boss formed on the free end of the interior piece of said first end fitting; and a threaded opening formed within the free end of the interior piece of said second end fitting conformed for threaded receipt of a mating boss to make the connection.