Patent ID: 7390030

Claim:
A pipe joint, comprising: a first length of pipe including a first flange having a ramp extending outwardly and away from a leading exterior surface and a first locking surface extending inwardly and away from the ramp; a resiliently expandable locking member; a second length of pipe including a second flange having an interior portion sized to receive the first flange, the interior portion including a second locking surface and an inwardly facing annular groove adapted to receive the resiliently expandable locking member, the second locking surface positioned within the interior portion such that, upon insertion of the first flange into the second flange, the resiliently expandable locking member expands as it travels up the ramp and then contracts to become positioned between the first locking surface and the second locking surface to prevent withdrawal of the first flange from the second flange; and a sealing member positioned between the first and second flanges.