Global Patent Index - EP 2048321 B1

EP 2048321 B1 20100210 - Drill and method for operating a drill

Title (en)

Drill and method for operating a drill

Title (de)

Bohrgerät und Verfahren zum Betreib eines Bohrgeräts

Title (fr)

Appareil de forage et procédé de fonctionnement d'un appareil de forage

Publication

EP 2048321 B1 20100210 (DE)

Application

EP 07018414 A 20070919

Priority

EP 07018414 A 20070919

Abstract (en)

[origin: EP2048321A1] A drill drive (22) placed on a slide (30) guided on a derrick (20), drives a drill rod. An annular gear (40) is placed between the drill drive and drill rod and is placed on the drill drive in disengageable and reversible manner, for inverting gear ratio. An independent claim is included for drilling implement operating method.

IPC 8 full level

E21B 3/02 (2006.01); E21B 7/02 (2006.01)

CPC (source: EP US)

E21B 3/02 (2013.01 - EP US); E21B 7/02 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 2048321 A1 20090415; EP 2048321 B1 20100210; AT E457411 T1 20100215; CN 101392630 A 20090325; CN 101392630 B 20120321; DE 502007002826 D1 20100325; JP 2009074360 A 20090409; JP 4864951 B2 20120201; MY 144864 A 20111130; RU 2008137262 A 20100327; RU 2393318 C2 20100627; SG 151201 A1 20090430; US 2009071674 A1 20090319; US 8002048 B2 20110823

DOCDB simple family (application)

EP 07018414 A 20070919; AT 07018414 T 20070919; CN 200810149090 A 20080919; DE 502007002826 T 20070919; JP 2008236132 A 20080916; MY PI20083341 A 20080829; RU 2008137262 A 20080918; SG 2008066805 A 20080911; US 23070908 A 20080903