Armoured flexible pipe and use of same

Details Armoured flexible pipe and use of same Armoured flexible pipe and use of same

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 11/16 (2006.01)

Patent

CA 2355259

An armoured flexible pipe has an inner liner (3) surrounded by a pressure armour (5, 6) that is surrounded by a tensile armour (7, 8). The pressure armour (5, 6) is constructed from a number of profiles (5, 6, 10, 11, 12, 14, 14a, 14b, 14c) which may engage with each other. In order to obtain optimum functionality, the profiles are shaped as X profiles (14, 14a, 14b, 14c) which are kept together with another type of profile, e.g. C or T type profiles. In one embodiment, the X profiles have an open channel (17). In this way gas or liquid, such as rinsing fluid, may be pumped through the armour layer, from one end of the pipe to the other end. In particular, the armoured flexible pipe is useful for conveyin g fluids such as water, ammonia, hydrocarbons, etc.

L'invention concerne un tuyau flexible à armature pourvu d'un revêtement intérieur (3) entouré d'une armature de pression (5, 6), elle-même entourée d'une armature extensible (7, 8). L'armature de pression (5, 6) est constituée d'un certain nombre de profils (5, 6, 10, 11, 12, 14, 14a, 14b, 14c) pouvant s'engager l'un dans l'autre. Afin d'obtenir une fonctionnalité maximale, ces profils se présentent sous forme de X (14, 14a, 14b, 14c) maintenus ensemble par un profil d'un autre type, par exemple un profil en C ou en T. Dans un mode de réalisation, les profils en X présentent un canal ouvert (17), ce qui permet à un gaz ou à un fluide, tel qu'un fluide de rinçage, d'être pompés par la couche de l'armature, d'une extrémité à l'autre du tuyau. Notamment, le tuyau flexible à armature permet de transporter des fluides tels que de l'eau, de l'ammoniaque, des hydrocarbures, etc.

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