Drilling tool with shock dampers

Details Drilling tool with shock dampers Drilling tool with shock dampers

E - Fixed Constructions

21

B

E21B 10/60 (2006.01) E21B 10/00 (2006.01) E21B 10/46 (2006.01)

Patent

CA 2223728

The invention concerns a drilling tool comprising a drilling head with cutting edges. The drilling tool also has several damping components (28) of which at least part consists of elastomeric material. Each damping component consists of a stud (28) comprised of a portion inserted into a receiving recess (36) on the surface of the tool and a portion protruding from the said recess.

L'invention concerne un outil de forage comportant une tête de forage munie de taillants de coupe. L'outil de forage est muni également d'une pluralité d'éléments amortisseurs (28) dont une partie au moins est en une matière élastomère. Chaque élément amortisseur est constitué par un plot (28) comprenant une portion qui est insérée à l'intérieur d'un logement récepteur (36) formé sur la surface de l'outil et une portion qui fait saillie à l'extérieur dudit logement.

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