Restrained sleeve pipe coupling
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United States of America Patent
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app pub date -
Apr 19, 2006
filing date -
Jun 12, 2002
priority date (Note) -
Abandoned
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Abstract
A restrained sleeve coupling assembly for interconnecting pipe sections includes a generally cylindrical sleeve body with opposed gasket engaging surfaces adjacent opposite ends of the body for receiving fluid sealing gaskets forcibly engaged with the body and opposed end rings which are sleeved over the respective pipe sections to be joined. The end rings include flanges for engagement with elongated tension bolt assemblies to secure the sleeve body, the gaskets and the end rings in assembly with each other. The end rings also include circumferentially spaced bosses and polygonal shaped gripper members disposed in recesses in the bosses and forcibly engageable with the outer surfaces of the pipe sections over which the end rings are sleeved as determined by limited torque bolt assemblies engageable with the gripper members.
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