EP 2146046 B1 20140409 - Drill head for a drilling device for creating drill holes in insufficiently stable foundation
Title (en)
Drill head for a drilling device for creating drill holes in insufficiently stable foundation
Title (de)
Bohrkopf für eine Bohreinrichtung zur Erstellung von Bohrlöchern in ungenügend tragfähigem Baugrund
Title (fr)
Tête de forage pour un dispositif de forage destiné à la création de trous de forage dans un sol de fondation insuffisamment portant
Publication
Application
Priority
EP 08160413 A 20080715
Abstract (en)
[origin: EP2146046A1] The drilling head (1) has a baseplate (2) by which the drill pipe end can be closed, A drill head plate (4) is mounted on the baseplate. The drill head plate has locking projections (6) which pass through apertures (3) in the baseplate. Connectors (7) join the drill head plate to the baseplate.
IPC 8 full level
E21B 10/633 (2006.01)
CPC (source: EP)
E21B 10/633 (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 MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 2146046 A1 20100120; EP 2146046 B1 20140409; PL 2146046 T3 20140930
DOCDB simple family (application)
EP 08160413 A 20080715; PL 08160413 T 20080715