Flexible tubular conduit
AssigneeCoflexip
InventorsMaurice Genini, Christian Athe, Jean-Paul Aubert
Life of this patent
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Abstract
A flexible conduit with a quadrangular hollow casing-shaped wire in the side wall of the conduit and extending the length of the conduit. The casing-shaped wire has at one side bent unjoined and overlapping extremities of the metal strip from which the wire is formed and is capable of receiving a hydraulic or electrical control line therein.
Claims10
A flexible tubular conduit comprising a side wall, and means in said side wall for containing therein a control line, said means comprising at least one hollow wire comprising a metal strip bent into the form of a quadrangular casing with one side thereof having overlapping unjoined extremities, said wire extending a substantial distance along the length of said conduit for receiving the control line.
Flexible tubular conduit comprising a side wall comprised of an internal liquid-tight sheath, a casing of interlocked metallic wires of S or Z sections with overlapping adjacent turns, an intermediate liquid-tight sheath, two reinforcing layers each comprising shaped wires wound helically with crossed winding axes, and means in one of said helically wound layers of said sidewall for containing therein a control line, said means comprising at least one hollow wire in the form of a quadrangular casing in section and extending a substantial distance along the length of said conduit for receiving the control line, and an external liquid-tight sheath, and wherein the quadrangular casing-shaped wire comprises a metal strip bent into the form of a quadrangle with one side thereof having overlapping unjoined extremities.
Dependencies are inferred from the claim text.