Anti-buckling device for thin-walled fluid ducts

Details Anti-buckling device for thin-walled fluid ducts Anti-buckling device for thin-walled fluid ducts

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 35/00 (2006.01)

Patent

CA 2513771

Disclosed is an anti-buckling device (1) which is made of an elastic material and comprises several ribs (2) that extend in the longitudinal direction thereof, the space between two ribs (2) forming a groove (3). The anti- buckling device (1) is inserted into a thin-walled duct. The anti-buckling device (1) prevents the duct from buckling and thus from being occluded in a bend when said duct is bent. A fluid is able to circulate within the duct and bypass the bend in the grooves (3) of the anti-buckling device (1). The envelope of the cross section of the anti-buckling device is essentially lenticular as a duct having a round cross section also becomes lenticular in a bend.

L'invention concerne un dispositif antitortillement (1) constitué d'un matériau élastique. Ce dispositif comporte plusieurs nervures (2) longitudinales, l'espace se trouvant respectivement entre deux nervures (2) formant une rainure (3). Le dispositif antitortillement (1) selon l'invention est inséré dans un conduit à paroi mince. Lorsque ce conduit est soumis à une flexion, le dispositif antitortillement (1) empêche le conduit de se plier et de se rompre, et permet par conséquent d'éviter l'obturation du conduit par pliage. Un fluide peut circuler dans le conduit même si les rainures (3) du dispositif antitortillement (1) sont pliées. Dans la mesure où un canal à section transversale ronde qui est soumis à une flexion présente une forme lenticulaire, l'enveloppe de la section transversale du dispositif antitortillement présente également une forme sensiblement lenticulaire.

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