EP 2427623 A1 20120314 - GUIDING DEVICE FOR ROCK DRILLING MACHINE
Title (en)
GUIDING DEVICE FOR ROCK DRILLING MACHINE
Title (de)
FÜHRUNGSVORRICHTUNG FÜR EINE STEINBOHRMASCHINE
Title (fr)
DISPOSITIF DE GUIDAGE POUR MACHINE DE FORAGE DE ROCHE
Publication
Application
Priority
- NO 2010000157 W 20100429
- NO 20091795 A 20090506
Abstract (en)
[origin: WO2010128861A1] A guiding device for a rock-drilling machine (1), the rock-drilling machine (1) including a drill portion (4) with a drill bit (10) and a drill-portion centre axis (26), and a string portion (6) with a string-portion centre axis (28), the drill-portion (4) and the string-portion (6) being inter-connected by means of a guiding joint (8), and the drill portion (4) being provided with, between the drill bit (10) and the guiding joint (8), a guiding support (16) which is arranged to bear against the borehole wall (56) of a borehole (2).
IPC 8 full level
E21B 7/06 (2006.01); E21B 17/10 (2006.01); E21D 9/10 (2006.01)
CPC (source: EP)
E21B 7/062 (2013.01); E21B 7/067 (2013.01); E21B 7/068 (2013.01); E21B 17/1057 (2013.01)
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 MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
WO 2010128861 A1 20101111; EP 2427623 A1 20120314; EP 2427623 A4 20171206; EP 2427623 B1 20191002; NO 20091795 L 20101108; NO 333280 B1 20130429
DOCDB simple family (application)
NO 2010000157 W 20100429; EP 10772302 A 20100429; NO 20091795 A 20090506