THREADED TUBULAR JOINT WITH GRADUALLY AXIALLY INCREASING THREAD TIGHTNESS Russian patent published in 2008 - IPC F16L15/06

Abstract RU 2335687 C2

FIELD: mechanics.

SUBSTANCE: threaded joint comprises, at least, one contact zone at an axial at a certain axial distance from the threads. The external and internal elements are arranged in the sealed contact via the bearing surfaces formed by the convex and taper surfaces.

EFFECT: sealing eliminating fluid medium penetration.

31 cl, 11 dwg

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RU 2 335 687 C2

Authors

Verzhe Ehrik

De Monleber Dam'En

Toro Ehmerik

Dates

2008-10-10—Published

2004-05-13—Filed