Threaded joint and method of sealing a threaded joint

A threaded joint (200) includes a flange (230), a nut (240) and a flexible seal (250). The flange (230), the nut (240) and the flexible seal (250) have threads on respective inner surfaces, the threads having shapes complementary to threads on an outer surface of a stem (220). The flange (230) is co...

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Bibliographische Detailangaben
Hauptverfasser: DO, VINH, RAYNAL, JEFFREY, MANSUKH, MAYUR
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A threaded joint (200) includes a flange (230), a nut (240) and a flexible seal (250). The flange (230), the nut (240) and the flexible seal (250) have threads on respective inner surfaces, the threads having shapes complementary to threads on an outer surface of a stem (220). The flange (230) is configured to allow the stem (220) to move by rotation through the flange. The nut (240) and the flexible seal (250) are configured to move by rotation relative to the stem. The flange (230) has a counter bore (280) and the nut (240) has a groove (270). The flexible seal (250) has a first portion (290) configured to fill the counter bore (280) in the flange (230), and a second portion (300) configured to fill the groove (270) of the nut (240).