E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/18 (2006.01) E21B 10/60 (2006.01) E21B 17/10 (2006.01) E21B 21/12 (2006.01)
Patent
CA 2675842
The invention relates to a drilling tool for drilling soft and fragmented rock. The drilling tool disclosed in the invention comprises a portion (4) having a round cross section and a smooth surface and positioned substantially symmetrically relative to the middle axis of a drill rod (1) and comprising, at its end, a converging part (4a) through which conduits pass for rinsing medium.
L'invention porte sur un outil de forage pour forer une roche tendre et fragmentée. L'outil de forage décrit dans l'invention comprend une partie (4) munie d'une coupe transversale arrondie et une surface lisse et positionnée sensiblement symétriquement par rapport à l'axe moyen d'une tige de forage (1) dont l'extrémité est munie d'une partie convergente (4a) traversée par des conduits passent qui permet de rincer le milieu.
Bournazos Ioannis
Kalliomaeki Jorma
Kataja Aulis
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Sandvik Mining And Construction Oy
LandOfFree
Drilling tool does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Drilling tool, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drilling tool will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1460701