System, method and apparatus for restrained pipe joint
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United States of America Patent
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Oct 15, 2019
Grant Date -
Dec 8, 2016
app pub date -
Jun 2, 2016
filing date -
Jun 5, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A pipe may include a pipe body having an axis, an axial bore and a pipe body outer diameter. A male end may be formed on the pipe body. The male end can have an outer diameter consistent with the pipe body outer diameter, and an axial end face. A female end may be formed as an integral bell on the pipe body opposite the male end. The female end may have an inner diameter that is larger than the outer diameter of the male end, a seal recess on an interior thereof, and an interior feature in the interior of the female end that is complementary to the axial end face of the male end. The female end of a first pipe may be configured to receive the male end of a second pipe, such that the interior feature of the first pipe engages and restrains the axial end face of the second pipe. A coupling may be used to join two of the pipes.
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