Dope relief method for wedge thread connections

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

Patent

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F16L 33/00 (2006.01)

Patent

CA 2652050

A method for making-up a wedge thread connection comprising a pin member and a box member includes applying a pipe dope to at least one of the pin member and the box member, wherein the pin member and the box member comprise corresponding wedge threads, reducing the viscosity of the pipe dope at least temporarily, and rotating the pin member relative to the box member to make-up the wedge thread connection, wherein the rotation occurs while the viscosity of the pipe dope is at least temporarily reduced. A collar to be used with a tong assembly in making-up a threaded connection between a pin member and a box member includes at least one power unit configured to temporarily reduce the viscosity of pipe dope applied to at least one of the pin member and the box member, and an inner surface having a selected diameter to correspond to an outer diameter of at least one of the pin member and the box member.

Un procédé destiné à fabriquer un raccord à filetage de coin comprenant un élément formant axe et un élément formant boîtier inclut l'application d'une pâte à joint au moins à l'élément formant axe ou à l'élément formant boîtier, l'élément formant axe et l'élément formant boîtier comprenant des filetages de coin correspondants, la réduction de la viscosité de la pâte à joint au moins temporairement, et la rotation de l'élément formant axe par rapport à l'élément formant boîtier en vue de fabriquer le raccord à filetage de coin, la rotation se produisant lorsque la viscosité de la pâte à joint est au moins temporairement réduite. Un collier devant être utilisé avec un ensemble formant pince dans la fabrication d'un raccord fileté entre un élément formant axe et un élément formant boîtier inclut au moins un bloc d'alimentation configuré pour réduire temporairement la viscosité de la pâte à joint appliquée au moins à l'élément formant axe ou à l'élément formant boîtier, et une surface intérieure ayant un diamètre sélectionné de manière à correspondre à un diamètre extérieur au moins de l'élément formant axe ou de l'élément formant boîtier.

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