Patent ID: 7850213
Filing Date: 2010-12-14
Classification: F16L

Abstract:
1. A crossable means for a coupling to connect ends of two pipes, each pipe having a pipe end, a pipe end portion, and a pipe circumferential shoulder around the pipe in the pipe end portion, comprising: a partitioner ring adapted to be positioned between the ends of the two pipes to be joined; backup rings each having a backup ring front portion, a backup ring outer portion, a backup ring external circumferential groove, and a backup ring inner radial flange in the backup ring front portion, the backup ring inner radial flange sized to receive therethrough the end portion of the pipe with the backup ring inner radial flange toward the end of the pipe from the pipe circumferential shoulder; a gasket around the end portion of each pipe between the end of the pipe and the backup ring, said gasket adapted to seal between the pipe and the front portion of the backup ring; and a mounting for attaching at least one arcuate member to the partitioner ring and tightening the at least one arcuate member against the crossable means, wherein the at least one arcuate member includes inwardly extending flanges and wherein, when the at least one arcuate members is tightened against the crossable means, the at least one arcuate member inwardly extending flanges extend into the respective backup ring external circumferential grooves to secure the backup rings and pipe ends together with the partitioner ring between the pipe ends.