Apparatus for isolating or testing a pipe segment

G - Physics – 01 – M

Patent

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G01M 3/02 (2006.01) G01M 3/28 (2006.01)

Patent

CA 2345335

A test plug assembly that tests the integrity of a segment of pipe having an internal diameter. The assembly comprises an annular body with opposite annular faces and defining on its outer perimeter, an annular recess, a pair of bosses, a pair of resilient annular members adapted to be respectively juxtaposed between an adjacent boss and annular face; means for urging the bosses respectively against the adjacent resilient annular member so as to urge the same frictionally engage and to seal against the internal diameter of the selected pipe segment and, means communicating through the assembly to that plenum now defined by said recess, the resilient annular members and the internal diameter of the pipe whereby the integrity of that pipe segment may be determined.

L'invention concerne un ensemble tampon d'essai qui permet de contrôler l'intégrité d'un tronçon de tuyau présentant un certain diamètre intérieur. Ledit ensemble se compose d'un corps annulaire à faces annulaires opposées et définissant sur son périmètre extérieur un évidement annulaire, une paire de bossages, une paire d'éléments annulaires élastiques conçus pour être respectivement juxtaposés entre un bossage adjacent et une face annulaire ; des moyens pour pousser les bossages respectivement contre les éléments annulaires élastiques de sorte qu'ils s'insèrent par frottement et viennent en contact étanche avec l'intérieur du tronçon de tuyau sélectionné et, des moyens de communication entre l'ensemble et le plénum formé par ledit évidement, les éléments annulaires élastiques et l'intérieur du tuyau, ce qui permet la détermination de l'intégrité dudit tuyau.

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