A swivel connector for a pipeline

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

Patent

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Details

F16L 27/08 (2006.01) E04H 4/16 (2006.01) F16L 27/12 (2006.01)

Patent

CA 2431793

A swivel connector (10) for a pipeline includes first and second connecting members (12, 14) connectable in the pipeline. The connecting members (12, 14) have round, telescopic pipe sections (32, 42), an annular seal (36, 46) between the pipe sections, and connectors (52, 56) which swivellably, releasably connect the connecting members (12, 14). The seal includes an inwardly proud standing peripheral ridge (36) on the first pipe section (32) which is telescopically outermost, and an aligned, complemental, thin walled, dilatable band (48) on the second pipe section, which is telescopically innermost. Liquid pressure dilates the band (48) to touch the ridge (36) to effect sealing. The connectors include a peripheral shoulder (52) on a collar (50) of the member (12) and a diametrically opposed pair of hooks (56) on the member (14) and which are releasably engageable with, to be relatively swivellable to, the shoulder (52). The sealing and swivelling surfaces can be separated for cleaning and maintenance.

Un raccord pivotant (10) pour conduite comprend des premier et second éléments de raccordement (12, 14) pouvant se raccorder dans la conduite. Ces éléments de raccordement (12, 14) ont des sections télescopiques rondes (32, 42), un joint hermétique annulaire (36, 46) placé entre les sections de tuyaux et des connecteurs (52, 56) qui raccordent par pivotement et de manière amovible les éléments de raccordements (12, 14). Le joint hermétique comprend, sur la première section de tuyau (32) télescopique, la plus à l'extérieur, une arête périphérique vive en saillie, orientée vers l'intérieur (36), et sur la seconde section de tuyau télescopique, la plus à l'intérieur, une bande dilatable (48), à paroi mince, complémentaire, alignée. La pression du liquide dilate la bande (48) qui vient en contact avec l'arête (36) afin de faire étanchéité. Les connecteurs comprennent un épaulement périphérique (52) ménagé sur un collier (50) de l'élément (12) et une paire de crochets (56) diamétralement opposés ménagés sur l'élément (14) et qui viennent en contact de manière libérable avec l'épaulement (52) de façon à pivoter par rapport à ce dernier. Les surfaces d'étanchéité et pivotantes peuvent être séparées pour leur nettoyage et maintenance.

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