Wrenching tong

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 19/16 (2006.01) B25B 13/50 (2006.01)

Patent

CA 2389449

Apparatus for applying torque to a first tubular relative to a second tubular, the apparatus comprising a first tong (1) for gripping the first tubular and a second tong (11) for gripping the second tubular, wherein the first tong is provided with teeth 14 around a peripheral surface thereof, the second tong is provided with at least one pinion (7), and the pinion meshes with the teeth in such a way that the first tong and the second tong can be rotated relative to one another when the pinion is rotated.

Appareil permettant d'appliquer un couple sur un premier matériel tubulaire relativement à un deuxième matériel tubulaire. L'appareil comprend une première pince (1) prévue pour saisir le premier matériel tubulaire et une deuxième pince (11) prévue pour saisir le deuxième matériel tubulaire, la première pince étant munie de dents (14) situées autour d'une surface périphérique, la deuxième pince étant dotée d'au moins un pignon (7), lequel s'engrène dans les dents de sorte que les première et deuxième pinces peuvent tourner l'une par rapport à l'autre lorsque le pignon est en rotation.

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