Flexible pipe for transporting fluid and associated method

This flexible pipe for transporting fluid comprises a polymer internal sheath for limiting a fluid flow passage of central axis (A-A'); at least one armour layer arranged on the outside of the internal sheath; an internal carcass (26), arranged in the internal sheath, the internal carcass (26)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JUNG, PATRICE, SECHER, PHILIPPE
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:This flexible pipe for transporting fluid comprises a polymer internal sheath for limiting a fluid flow passage of central axis (A-A'); at least one armour layer arranged on the outside of the internal sheath; an internal carcass (26), arranged in the internal sheath, the internal carcass (26) comprising a first folded tape (31) limiting a helical gap (40) opening towards the central axis ( - '). The pipe comprises a helicoidal insert (28) of T-shaped cross section comprising a leg (50) inserted in the helicoidal gap (40) and two wings (52) projecting one on each side of the leg (50) to close off the helicoidal gap (40) toward the inside. The helicoidal insert (28) is formed of a second folded tape.