
A clamp assembly for sealing a leaking pipe weld or pipe flange joints. The clamp comprises a collar having hinged-together arcuate segments. The collar is further provided with flanges adapted to be bolted together to connect the hinged segments which may be hinged together to form a pair of semi-circular sections. Each of the segments is provided with a main annular groove on the interior circumference with means on the exterior for filling the groove with a fluid sealant under pressure. A pai...











