Systems, methods and devices for strengthening fluid system components using radiation-curable composites
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United States of America Patent
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Aug 4, 2015
Grant Date -
Jun 27, 2013
app pub date -
Sep 21, 2011
filing date -
Sep 24, 2010
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Abstract
Methods are provided for strengthening (e.g., repairing, structurally reinforcing, etc.) a fluid-system component by installing, as a circumferential wrap or a patch, a radiation-curable composite laminate. Kits including composite repair materials and equipment for implementing the methods are also provided. Examples of fluid-system components that may be strengthened include pipework, pipelines, transmission pipelines, distribution pipelines, gathering lines, oil risers, gas risers, process piping, girth welds on pipelines or vessels, tanks, vessels, elbows, tees, flanges, and high-pressure injection lines. An approach where, prior to curing, the precursor to the composite laminate comprises a glass fabric, a carbon fabric, or any combination(s) thereof, pre-impregnated with an uncured epoxy resin, an uncured epoxy acrylate resin, or a mixture thereof, is used; curing is performed via electron beam irradiation; and the installation and curing procedures can be automated to the maximum extent possible, in exemplary embodiments of the present disclosure.
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