External protection for expanding tubular threaded joints

Details External protection for expanding tubular threaded joints External protection for expanding tubular threaded joints

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 15/08 (2006.01) E21B 17/042 (2006.01) E21B 43/10 (2006.01) G01N 3/46 (2006.01)

Patent

CA 2633728

The invention relates to a female element (2) of a tubular threaded joint able to undergo diametral expansion in the plastic deformation range. The female element (2) is positioned at one end of a tubular component and on its external periphery comprises a means (10) of absorbing scratching energy of a scratching body able to be brought into contact externally with the female element (2), and a retaining means (11) for holding the said scratching energy absorbing means (10) in place. The retaining means (11) is intended to prevent debris from the said scratching energy absorbing means (10) from being released as the tubular threaded joint expands.

L'invention concerne un élément femelle (2) d'un joint fileté tubulaire apte à subir une expansion diamétrale dans le domaine des déformations plastiques. L'élément femelle (2) est disposé à une extrémité d'un composant tubulaire et comprend sur sa périphérie extérieure un moyen d'absorption d'énergie de rayure (10) d'un corps rayant susceptible d'être en contact extérieurement avec l'élément femelle (2) et un moyen de maintien (11) du dit moyen d'absorption d'énergie de rayure (10). Le moyen de maintien (11) est destiné à empêcher la libération de débris du dit moyen d'absorption d'énergie de rayure (10) lors d'une expansion du joint fileté tubulaire.

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