Pipe liner connector
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United States of America Patent
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Oct 7, 2008
Grant Date -
Jul 6, 2006
app pub date -
Jul 25, 2003
filing date -
Jul 25, 2002
priority date (Note) -
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Abstract
A pipe liner connector suitable for connecting pipe sections that comprise a liner is described. The pipe liner connector comprise vents and/or venting grooves which act to balance the pressure between the micro-annulus, formed between the liner and the pipe sections, and the pipe bore formed when the pipe sections are connected together. The inclusion of these features helps prevent the collapse or the uncontrolled distortion of the pipe liner connector during pressure cycles in operating pipelines.
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