E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/042 (2006.01) F16L 15/06 (2006.01)
Patent
CA 2692061
A threaded element (EM) of a component (T2) comprises at least first (EE1) and second (FE2) threading portions each comprising threads (TH1, TH2) each comprising a stabbing flank and a loading flank. The stabbing flanks and loading flanks of the threads (TH1) of the first threading portion (EE1) and the threads (TH2) of the second threading portion (FE2) are inclined in an opposed manner with respect to the radial direction.
Selon l'invention, un élément fileté (EM) d'un composant (T2) comprend au moins des première (FE1) et seconde (FE2) parties de filetage, chacune composée de filetages (TH1, TH2), chacun comprenant un flanc de guidage et un flanc de chargement. Les flancs de guidage et les flancs de chargement des filetages (TH1) de la première partie de filetage (FE1) et des filetages (TH2) de la seconde partie de filetage (FE2) sont inclinés de façon opposée par rapport à la direction radiale.
Gillot Laurent
Tartar Olivier
Verger Eric
Goudreau Gage Dubuc
Sumitomo Metal Industries Ltd.
Vallourec Mannesmann Oil & Gas France
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