F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 1/12 (2006.01) E21B 17/01 (2006.01) F16L 35/00 (2006.01)
Patent
CA 2755872
The invention relates to a protective sleeve capable of being installed around a longitudinal portion of a pipe (72) for transporting hydrocarbons. Said sleeve includes a set of rings, each of which has two opposite flanks (16, 18), and which are retained together in series, with the flanks (16, 18) opposite each other, by a plurality elastically deformable connecting elements (32). The bending of said longitudinal portion is capable of causing the contraction of the connecting elements (32) located towards the inside of the curve, as well as the elongation of the opposite connection elements (32), in order to resist the bending. According to the invention, each connecting element (32) has two opposite rigid attachment portions (34, 36) and an elastic deformable body (38) interposed between said two attachment portions. Said attachment portions (34, 36) are attached to the flanks (16, 18) opposite said rings (10), respectively.
L'invention concerne un manchon de protection apte à être installé autour d'une portion longitudinale de conduite (72) destinée au transport des hydrocarbures. Ledit manchon comprend un ensemble d'anneaux présentant chacun deux flancs opposés (16, 18), et étant successivement maintenus ensemble, les flancs (16, 18) en regard par une pluralité d'éléments de liaison (32) élastiquement déformables. La flexion de ladite portion longitudinale est apte à provoquer la contraction des éléments de liaison (32) situés vers l'intérieur de la courbure et l'allongement des éléments de liaison (32) opposés pour résister à la flexion. Selon l'invention, chaque élément de liaison (32) présente deux parties de fixation rigides opposées (34, 36) et un corps élastique déformable (38) interposé entre lesdites deux parties de fixation. Lesdites parties de fixation (34, 36) sont respectivement fixées dans les flancs (16, 18) en regard desdits anneaux (10).
Espinasse Philippe
Gerez Jean-Michel
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Technip France
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