E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 19/16 (2006.01) B25B 5/06 (2006.01) B25B 13/50 (2006.01) E21B 19/06 (2006.01) E21B 31/20 (2006.01)
Patent
CA 2403746
An apparatus for handling tubular goods which includes an elongate body having a coupling end adapted for mating engagement with a tubular good. The coupling end includes a structural member (4), a flexible cylindrical (3) cage and a pressure member. Longitudinal strips (80) joined at their opposed ends (82) form the cage coaxial with and connected to the structural member (4) of the body. The coaxial pressure member is disposed in an annulus between the structural member and the cage. The pressure member is adapted to cause radial displacement of the cage, thereby exerting a gripping force to maintain the mating engagement between the tubular good and the coupling end enabling a transfer of force between the body and the tubular good.
La présente invention concerne un appareil destiné à la manipulation d'objets tubulaire et comprenant un corps de forme allongée pourvu d'une extrémité de couplage conçus pour un engagement emboîté dans un objet tubulaire. L'extrémité de couplage est constituée d'un élément structurel (4), d'une cage cylindrique flexible et d'un élément de pression. Des bandes longitudinales (80) se réunissant à leurs extrémités opposées (82) forment la cage qui est coaxiale et reliée à l'élément structurel (4) du corps. L'élément de pression coaxial est disposé dans l'espace annulaire se dégageant entre l'élément structurel et la cage. L'élément de pression est conçu pour provoquer le déplacement radial de la cage, exerçant de la sorte une force de serrage tendant à maintenir l'engagement emboîté entre l'objet tubulaire et l'extrémité de couplage, ce qui permet un transfert de force entre le corps et l'objet tubulaire.
Kaiser Trent Michael Victor
Shute Daniel Mark
Slack Maurice William
Frank's International Inc.
Noetic Engineering Inc.
Woodruff Nathan V.
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