Welding apparatus and methods for welding

B - Operations – Transporting – 23 – K

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Details

B23K 37/053 (2006.01) F16L 9/02 (2006.01) F16L 13/02 (2006.01)

Patent

CA 2740527

There is disclosed a welding frame for welding a first pipe having a first free end to a second pipe having a second free end; the frame comprising a first clamp for reconforming the first pipe adjacent its first free end and a second clamp for reconforming the second pipe adjacent its second free end; and a mounting frame mounting the first and second clamps in substantially coaxial relation. The first clamp and second clamp are actuable to hold the first free end of the first pipe in close coaxial opposition with the second free end of the second pipe for welding. There are also disclosed clamps for a frame for welding pipes, dies for use with the clamps, and methods for welding pipes.

L'invention concerne un cadre de soudage pour souder un premier tuyau muni d'une première extrémité libre à un second tuyau muni d'une seconde extrémité libre ; le cadre comprend une première pince pour reconfigurer le premier tuyau à proximité de sa première extrémité libre et une seconde pince pour reconfigurer le second tuyau à proximité de sa seconde extrémité libre ; et un cadre de montage pour monter les première et seconde pinces en relation substantiellement coaxiale. La première et la seconde pince peuvent être actionnées de manière à retenir la première extrémité libre du premier tuyau en opposition coaxiale étroite par rapport à la seconde extrémité libre du second tuyau en vue de leur soudage. L'invention concerne également des pinces pour un cadre destiné à souder des tuyaux, des matrices destinées à l'utilisation avec les pinces, et des procédés de soudage de tuyaux.

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