EP 2076652 A4 20120111 - ARRANGEMENT FOR FOUNDATION
Title (en)
ARRANGEMENT FOR FOUNDATION
Title (de)
ANORDNUNG FÜR EIN FUNDAMENT
Title (fr)
DISPOSITIF DE FONDATION
Publication
Application
Priority
- FI 2007000237 W 20071002
- FI 20060884 A 20061003
Abstract (en)
[origin: WO2008040837A1] The invention relates to a protective tube (7) for keeping a drilling hole open, which protective tube (7) has a first end (12) and a second end (13), and into the mantle of which protective tube (7) has been arranged at least one gap (9), which is mainly in the longitudinal direction of the protective tube (7), which gap passes through the mantle in its thickness direction, and in the first end (12) of which protective tube (7) has been arranged at least one hole (20). The invention also relates to a method for drilling a hole in the soil, in which method a drilling hole is drilled into the soil, a protective tube is simultaneously arranged into the drilling hole to keep it open, and the drill bit is pulled out of the drilling hole through the protective tube. At least a part of the drill bit is arranged to pass along the gap, which is arranged in the mantle of the protective tube at least mainly in the longitudinal direction of the protective tube, when the drill bit is pulled out of the drilling hole.
IPC 8 full level
E21B 10/64 (2006.01); E21B 7/20 (2006.01); E21B 17/00 (2006.01)
CPC (source: EP FI)
E21B 7/20 (2013.01 - EP FI); E21B 10/64 (2013.01 - EP FI); E21B 17/00 (2013.01 - EP)
Citation (search report)
- [XAY] US 2004084217 A1 20040506 - MOCIVNIK JOSEF [AT]
- [XA] WO 2005085582 A1 20050915 - SANDVIK INTELLECTUAL PROPERTY [SE], et al
- [Y] WO 9950531 A1 19991007 - SMITH CRAIG JOHN [ZA]
- [Y] US 4126004 A 19781121 - LINDEBOOM HERMAN
- [Y] GB 410595 A 19340524 - DONALD STUART KENNEDY
- See references of WO 2008040837A1
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)
WO 2008040837 A1 20080410; EP 2076652 A1 20090708; EP 2076652 A4 20120111; EP 2076652 B1 20121219; FI 122034 B 20110729; FI 20060884 A0 20061003; FI 20060884 A 20080404
DOCDB simple family (application)
FI 2007000237 W 20071002; EP 07823098 A 20071002; FI 20060884 A 20061003