EP 2137373 A1 20091230 - DRILLING TOOL
Title (en)
DRILLING TOOL
Title (de)
BOHRWERKZEUG
Title (fr)
OUTIL DE FORAGE
Publication
Application
Priority
- FI 2008050028 W 20080130
- FI 20075066 A 20070201
Abstract (en)
[origin: WO2008092994A1] 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.
IPC 8 full level
E21B 17/18 (2006.01); E21B 10/60 (2006.01); E21B 17/10 (2006.01); E21B 21/12 (2006.01)
CPC (source: EP FI US)
E21B 17/1078 (2013.01 - FI); E21B 17/18 (2013.01 - EP FI US); E21B 21/12 (2013.01 - EP FI US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2008092994 A1 20080807; AU 2008211808 A1 20080807; AU 2008211808 B2 20110428; CA 2675842 A1 20080807; CN 101600848 A 20091209; EP 2137373 A1 20091230; FI 20075066 A0 20070201; FI 20075066 L 20080802; JP 2010518278 A 20100527; RU 2009132669 A 20110310; US 2010000797 A1 20100107; ZA 200905044 B 20100428
DOCDB simple family (application)
FI 2008050028 W 20080130; AU 2008211808 A 20080130; CA 2675842 A 20080130; CN 200880003934 A 20080130; EP 08709297 A 20080130; FI 20075066 A 20070201; JP 2009547720 A 20080130; RU 2009132669 A 20080130; US 52518908 A 20080130; ZA 200905044 A 20090720