Structures reinforced by a composite material

Details Structures reinforced by a composite material Structures reinforced by a composite material

B - Operations, Transporting

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B65D 8/08 (2006.01) B29C 63/24 (2006.01) F16L 9/147 (2006.01) F17C 1/06 (2006.01) F17C 1/16 (2006.01) F17C 13/12 (2006.01)

Patent

CA 1239351

STRUCTURES REINFORCED BY A COMPOSITE MATERIAL ABSTRACT OF THE DISCLOSURE Structures, such as pressure vessels or pipes, for the storage and transportation of fluids under pres- sure are wrapped with a composite material including a high-strength unidirectional filament material in a matrix of a flexibilized isophthalic polyester resin which has an elongation at least equal to the elongation of the mate- rial of the structure. The index of refraction of the resin is matched to the index of refraction of the fila- ment material so that the pressure vessel is visible through the wrapping. The resin discolors when exposed to a heat above which the material of the structure weakens, thus acting as an indicator that the structure is unsui- table for use.

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