Pipe liner apparatus and method
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United States of America Patent
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Aug 21, 2007
Grant Date -
Jun 15, 2006
app pub date -
Oct 14, 2005
filing date -
Dec 13, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A thermoplastic pipe liner assembly and method for installation in a pipeline by pulling the pipe liner assembly through the pipeline in a temporarily folded condition wherein the thermoplastic pipe liner assembly has a core inner liner, an outer liner with optional grooving for annular communication, orbitally wound strength and intermediate layers, two or more tension deformation members to sustain the tension needed to pull the pipe liner assembly through the pipeline for several miles and to assist in maintaining the temporarily folded condition. Also included are optional instrumentation circuits. Also disclosed is a method for the manufacture of the pipe liner assembly and concurrent installation in a pipeline.
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