G - Physics – 01 – M
Patent
G - Physics
01
M
G01M 3/28 (2006.01) B23K 37/053 (2006.01) F16L 55/18 (2006.01)
Patent
CA 2710649
A pipe forming and testing apparatus includes a frame supporting a mandrel, the mandrel being adapted for positioning within the pipe, and two sealing devices connected to the mandrel and adapted to seal opposite ends of the pipe to create an annular space between the mandrel, the pipe, and the sealing devices. The pipe is formed from two or more pipe segments that are welded together. The apparatus includes at least one welding device for joining the pipe segments and preferably includes a rotating device for axially rotating the mandrel and pipe combination to facilitate the welding process. Once formed, the integrity of the pipe is tested by pressurizing the annular space and monitoring such pressure.
L'invention concerne un appareil de formation et de mise à l'essai de tuyau qui comprend une structure supportant un mandrin, le mandrin étant adapté pour un positionnement dans le tuyau, et deux dispositifs de scellage reliés au mandrin et adaptés pour sceller les extrémités opposées du tuyau afin de créer un espace annulaire entre le mandrin, le tuyau et les dispositifs de scellage. Le tuyau est formé de deux segments de tuyau ou plus qui sont soudés ensemble. L'appareil comprend au moins un dispositif de soudage pour joindre les segments de tuyau et comprend de préférence un dispositif de rotation pour faire pivoter axialement la combinaison mandrin et tuyau afin de faciliter le procédé de soudage. Une fois formée, l'intégrité du tuyau est mise à l'essai par pressurisation de l'espace annulaire et contrôle d'une telle pression.
Blake Cassels & Graydon Llp
Car-Ber Investments Inc.
LandOfFree
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