EP 2381036 B1 20130619 - Drill
Title (en)
Drill
Title (de)
Bohrvorrichrung
Title (fr)
Dispositif de forage
Publication
Application
Priority
EP 10004350 A 20100423
Abstract (en)
[origin: EP2381036A1] The drilling device has a rotary drilling bar (12) and a drilling arm (22,24) that is articulated at lower end section of the rotary drilling bar. A cutting head (26,28) is fixed at ends of the drilling arm. The cutting head is moved back and forth by positioning elements relative to a rotational axis (R) of the drilling bar. The positioning elements pivot the drilling arm. Independent claims are also included for the following: (1) a drilling method for a caisson; and (2) a caissons combination, which has a drilling device provided with drilling arm that is placed at open bases of the caissons.
IPC 8 full level
E02D 23/00 (2006.01); E21B 7/20 (2006.01)
CPC (source: EP)
E02D 23/00 (2013.01); E21B 7/20 (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)
EP 2381036 A1 20111026; EP 2381036 B1 20130619; DK 2381036 T3 20130701
DOCDB simple family (application)
EP 10004350 A 20100423; DK 10004350 T 20100423