Cover device for a pipe, and pipe having such a cover device

Details Cover device for a pipe, and pipe having such a cover device Cover device for a pipe, and pipe having such a cover device

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 55/11 (2006.01) F16L 55/128 (2006.01)

Patent

CA 2748096

Cover device for a pipe that can be used with a number of other pipes, in welded- together form, for the production of pipelines, which are particularly provided for the transport of gaseous or liquid media, wherein the cover device is configured to seal off at least the edge of the pipe, which is at risk of corrosion, wherein the cover device comprises an inner cap having an inner sleeve configured to lie against the inside of the pipe, which sleeve has a cover element provided to at least partly cover the inner cross-section of the pipe not covered by the inner sleeve. Furthermore, the invention relates to a pipe having a corresponding cover device, and to a system for monitoring pipes having corresponding cover devices.

L'invention concerne un dispositif de couverture pour un tube pouvant être employé avec d'autres tubes par soudage les uns aux autres en ligne, pour la réalisation de pipelines notamment destinés au transport de fluides gazeux ou liquides. Le dispositif de couverture est conçu pour étancher au moins l'arête du tube exposée à la corrosion, et comporte un capuchon intérieur pourvu d'une douille intérieure destinée à s'appuyer contre le côté intérieur du tube, la douille intérieure présentant un élément de couverture prévu pour recouvrir au moins partiellement la section transversale intérieure non recouverte par la douille intérieure. L'invention concerne également un tube comportant un tel dispositif de couverture et un système de surveillance de tubes comportant des dispositifs de couverture correspondants.

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