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1. (WO2014191393) FLEXIBLE DUCT FOR CONVEYING A FLUID, AND RELATED USE AND METHOD

Pub. No.:    WO/2014/191393    International Application No.:    PCT/EP2014/060918
Publication Date: Fri Dec 05 00:59:59 CET 2014 International Filing Date: Wed May 28 01:59:59 CEST 2014
IPC: F16L 11/08
F16L 33/01
Applicants: TECHNIP FRANCE
Inventors: DAMIENS, Alexandre
LECOINTE, Edouard
Title: FLEXIBLE DUCT FOR CONVEYING A FLUID, AND RELATED USE AND METHOD
Abstract:
The invention relates to a duct (10) for conveying a fluid, including an inner sheath (20), at least one layer (34, 36) of inner reinforcements arranged outside of the inner sheath (20), and an outer protection sheath (22) arranged outside of each layer (34, 36) of inner reinforcements. Said duct comprises an inner fluid received between the inner sheath (20) and the outer sheath (22). The duct comprises an intermediate polymer sheath (24) inserted between the inner sheath (20) and the outer sheath (22), the intermediate sheath (24) and the inner sheath (20) defining therebetween an annular gap (26) for receiving the inner fluid. The inner fluid is confined in the annular gap (26) at a pressure higher than 50 bars.