F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 11/08 (2006.01) F16L 11/16 (2006.01)
Patent
CA 2661331
The invention relates to a flexible pipe and a method of producing such a pipe. It has two tubular structures, internal (34, 36, 38) and external (46, 48, 50, 52, 54, 56), and a tubular axial blocking layer (40), said tubular blocking layer (40) comprising two section wires (42, 44) each having a trapezoidal cross section, said trapezoidal cross section defining a base (70, 74) and two sloping lateral flanks, said base (7) of one of the two section wires being oriented toward the internal tubular structure (38), and said base (74) of the other section wire being oriented in the opposite direction, said section wires being wound side by side forming contiguous coils; according to the invention, said internal tubular structure (38) comprises a wire having a wound structure to form transversely blocked coils; and one of said two section wires (42) is wound against said structure coils.
L'invention concerne une conduite flexible et un procédé de réalisation d'une telle conduite. Elle présente deux structures tubulaires, interne (34, 36, 38) et externe (46, 48, 50, 52, 54, 56), et une couche tubulaire de blocage axial (40), ladite couche tubulaire de blocage (40) comprenant deux fils profilés (42, 44) présentant chacun une section trapézoïdale, ladite section trapézoïdale définissant une base (70, 74) et deux flancs latéraux inclinés, ladite base (70) de l'un des deux fils profilés étant orientée vers la structure tubulaire interne (38), et ladite base (74) de l'autre fils profilés est orientée à l'opposé, lesdits deux fils profilés étant enroulés flanc contre flanc en formant des spires jointives; selon l'invention ladite structure tubulaire interne (38) comprend un fil de structure enroulé pour former des spires bloquées transversalement; et l'un desdits deux fil profilé (42) est enroulé en appui sur lesdites spires de structure.
Bectarte Fabrice
Coutarel Alain
Estrier Pascal
Jung Patrice Joel Louis
Rigaud Jean
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Technip France
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