EP 1525370 B1 20060913 - DEVICE FOR ADVANCING DRILLINGS IN THE GROUND
Title (en)
DEVICE FOR ADVANCING DRILLINGS IN THE GROUND
Title (de)
VORRICHTUNG ZUM VORTREIBEN VON BOHRUNGEN IM ERDREICH
Title (fr)
DISPOSITIF POUR REALISER DES FORAGES DANS LA TERRE
Publication
Application
Priority
- DE 10234338 A 20020726
- DE 10234336 A 20020726
- DE 10234337 A 20020726
- DE 10237889 A 20020819
- EP 0307810 W 20030718
Abstract (en)
[origin: WO2004013449A2] Disclosed is a device for advancing drillings in the ground, comprising a rotatably driven main shaft (12) that is provided with a shaft cog (11), the axis (B) of which forms a sharp angle (w) along with the axis (A) of the main shaft (12), and an ear-type head (1) that is rotatably mounted about the axis (B) of the shaft cog (11) and is provided with a peripheral area (18) which runs along an opposite peripheral area (19). The inventive opposite peripheral area (19) can be made to rotate.
IPC 8 full level
E21B 4/00 (2006.01); E21B 4/16 (2006.01); E21B 10/00 (2006.01); E21B 10/08 (2006.01); E21D 9/087 (2006.01); E21D 9/11 (2006.01)
CPC (source: EP US)
E21B 4/006 (2013.01 - EP US); E21B 4/16 (2013.01 - EP US); E21B 10/083 (2013.01 - EP US); E21B 10/086 (2013.01 - EP US); E21D 9/113 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2004013449 A2 20040212; WO 2004013449 A3 20040422; AT E339587 T1 20061015; AU 2003257476 A1 20040223; DE 50305056 D1 20061026; EP 1525370 A2 20050427; EP 1525370 B1 20060913; HK 1082015 A1 20060526; JP 2005533949 A 20051110; JP 4112554 B2 20080702; US 2006096784 A1 20060511; US 7658244 B2 20100209
DOCDB simple family (application)
EP 0307810 W 20030718; AT 03766209 T 20030718; AU 2003257476 A 20030718; DE 50305056 T 20030718; EP 03766209 A 20030718; HK 06102102 A 20060217; JP 2004525236 A 20030718; US 52248305 A 20051024