Pipes and tubular conduits – Repairing – Patches
Reexamination Certificate
2007-08-21
2007-08-21
Brinson, Patrick F. (Department: 3754)
Pipes and tubular conduits
Repairing
Patches
C138S097000, C138S114000, C138S130000, C264S036100, C264S516000, C405S150100, C405S184100, C156S292000, C156S287000, C156S187000
Reexamination Certificate
active
11250305
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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Catha Stephen C.
Charboneau Kenneth R.
Mandich Ivan C.
Brinson Patrick F.
Lizarraga Juan J.
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