F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 11/08 (2006.01)
Patent
CA 2651578
The invention relates to composite hose, which is capable of being used without leakage, and which has a longer length and/or diameter than has been previously achievable. A composite hose (10) comprises a tubular body (12) of flexible material arranged between an inner and an outer helically wound wire (22, 24). The hose (10) further comprises an axial strengthening means (20) adapted to reduce deformation of the tubular body (12) when the tubular body (12) is subjected to axial tension, the axial strengthening means (20) being adapted to exert a radially inward force on at least part of the tubular body (12) when axial strengthening means (20) is subjected to axial tension. The hose (10) can have length above 30m and a diameter above 400mm. A method of, and apparatus for, making the hose (10) are also described, which involves the use of a non-metallic mandrel.
L'invention concerne un tuyau composite, que l'on peut utiliser sans fuite, et qui présente une longueur et/ou un diamètre plus importants que ne le permettait l'art antérieur. Un tuyau composite (10) comprend un corps tubulaire (12) de matériau flexible disposé entre des fils bobinés de manière hélicoïdale interne et externe (22, 24). Le tuyau (10) comprend en outre un moyen de renforcement axial (20) adapté pour réduire la déformation du corps tubulaire (12) lorsque le corps tubulaire (12) est soumis à une tension axiale, le moyen de renforcement axial (20) étant adapté pour exercer une force interne radialement sur au moins une partie du corps tubulaire (12) lorsque le moyen de renforcement axial (20) est soumis à une tension axiale. Le tuyau peut avoir une longueur supérieure à 30m et un diamètre supérieur à 400mm. L'invention concerne également un procédé et un appareil de fabrication du tuyau, impliquant l'utilisation d'un mandrin non métallique.
Cox David
Hall Gerard Anthony
Smith Richard
Witz Joel Aron
Bhp Billiton Petroleum Pty Ltd
Sim & Mcburney
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