Reinforced pipe for a pressurised medium

F - Mech Eng,Light,Heat,Weapons – 16 – L

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F16L 9/133 (2006.01)

Patent

CA 2446118

A pipe for transporting a pressurised medium comprises a plastic pipe body (1) as well as reinforcement (2-4) extending in the circumferential direction thereof for absorbing the tensile forces arising as a consequence of the overpressure, which reinforcement is constructed as a strip of plastic material (2) containing a series of wires (3) of a relatively high tensile strength and/or rigidity, which wires extend alongside one another in the longitudinal direction of the strip of plastic material, which strip of plastic material containing wires is wound spirally with respect to the plastic pipe body. The reinforcement comprises steel wires, preferably a series of steel wires encased by the strip of plastic material.

La présente invention se rapporte à un tuyau conçu pour le transport d'un milieu sous pression et comportant un corps en plastique (1) ainsi qu'un renfort (2-4) disposé circonférentiellement et conçu pour absorber les forces de traction qui peuvent s'exercer suite à une surpression. Ledit renfort étant composé d'une bande de matière plastique (2) contenant une série de fils métalliques (3) présentant une résistance et/ou rigidité relativement élevée, lesdits fils s'étendant les uns à côté des autres suivant la direction longitudinale de la bande de matière plastique qui contient les fils métalliques et est enroulée en spirale par rapport au corps du tuyau en plastique. Le renfort comporte des fils en acier, de préférence une série de fils d'acier enveloppés par la bande de manière plastique.

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