Seal ring and method

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

Patent

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Details

F16L 17/06 (2006.01)

Patent

CA 2616361

A seal ring (10) for sealing between first and second members (12, 14) each having an outer groove surface (16, 126) and inner groove surface (18, 127) includes a metal seal body (26, 42, 52, 60, 70, 80, 92, 110, 122, 140) for engagement with the outer groove surface on the first and second members, and a metal flexible flange (30, 32, 44, 46, 54, 56, 62, 64, 76, 78, 88, 90, 94, 96, 112, 114, 128, 144, 146) with a cantilevered end of a flexible flange providing substantially line contact sealing engagement with the inner groove surface on respective first and second member. The metal flexible flange is configured for being fluid pressure energized, and is deformed beyond its elastic limit when securing members secure the first member to the second member.

L'invention porte sur une bague d'étanchéité (10) assurant l'étanchéité entre un premier et un deuxième élément (12, 14) présentant chacun une surface extérieure de gorge (16, 126) et une surface intérieure de gorge (18, 127). Ladite bague comporte un corps de joint métallique (26, 42, 52, 60, 70, 80, 92, 110, 122, 140) en contact avec les surfaces extérieures de gorge du premier et du deuxième élément et un flasque métallique élastique (30, 32, 44, 46, 54, 56, 62, 64, 76, 78, 88, 90, 94, 96, 112, 114, 128, 144, 146) dont l'extrémité en porte à faux est en contact étanche avec les surfaces intérieures de gorge du premier et du deuxième élément. Le flasque élastique est conçu pour être comprimé par la pression du fluide et déformé au delà de sa limite élastique lors que des éléments de fixation solidarisent le premier élément avec le deuxième.

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