Sealing connection system having rotatably mounted tension...

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

Patent

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Details

F16L 37/18 (2006.01) E21B 33/038 (2006.01)

Patent

CA 2168541

Two joint components (10', 11') in a pipe conduit are provided with their respective impact surfaces (10a, 11a) and their respective cavities (12, 13) for reception of a sealing ring (14). A series of tension means (15') exert a prestressing force between the joint components (10', 11') via the sealing ring (14). The tension means (15') are carried in a first joint component (10'), while a second joint component (11') forms stop (21') for the tension means (15'). The tension means (15') is rotatably mounted about its longitudinal axis (15a) radially outside the stop (21'). The tension means (15') is swingable from an inactive position radially outside the stop (21') to an active position with supporting abutment against the stop (21).

L'invention concerne les deux brides de raccord (10', 11') d'une conduite de tuyauterie. Ces deux brides de raccord sont caractérisées par leurs surfaces respectives de contact (10a, 11a) et leurs gorges respectives (12, 13) d'accommodation d'un joint d'étanchéité (14). Une série d'éléments de compression (15') exerce une force de précontrainte entre les brides de raccord (10', 11') par l'intermédiaire du joint d'étanchéité (14). Les éléments de compression (15') sont disposés sur la première bride de raccord (10') alors que la seconde bride de raccord (11') comporte une butée pour les éléments de compression (15'). L'ensemble des éléments de compression (21') est monté de sorte qu'il reste en rotation autour de son axe longitudinal (15a) disposé radialement à l'extérieur de la butée (21'). L'ensemble des éléments de compression (15') est radialement basculable d'une position inefficace, désengagée de la butée (21'), vers une position active, position par laquelle les butées de maintien entrent en contact avec la butée (21).

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