EP 4200508 A1 20230628 - APPARATUS AND METHOD FOR CLEARING A BOREHOLE OPENING
Title (en)
APPARATUS AND METHOD FOR CLEARING A BOREHOLE OPENING
Title (de)
VORRICHTUNG UND VERFAHREN ZUM RÄUMEN EINER BOHRLOCHÖFFNUNG
Title (fr)
APPAREIL ET PROCÉDÉ DE DÉBLAYAGE D'UNE OUVERTURE DE PUITS DE FORAGE
Publication
Application
Priority
- SE 2050959 A 20200818
- SE 2021050801 W 20210817
Abstract (en)
[origin: WO2022039653A1] A boom (4) of a mining or construction work machine (1), which boom (4) comprising a first end (4a) connectable to the mining or construction work machine (1), a distal second end (4b), and at least one sweeper assembly (6) arranged at the distal second end (4b) of the boom (4), wherein the sweeper assembly (6) is configured to clear a borehole opening of blockages at entrance to the borehole, and wherein the sweeper assembly (6) comprises at least one linear actuator. A method of clearing a borehole opening of blockages at entrance to the borehole, which method comprises the steps of positioning the sweeper assembly (6) at entrance to the borehole; and controlling operation of the sweeper assembly (6) to remove blockages from the borehole opening.
IPC 8 full level
E21B 12/06 (2006.01); B08B 1/12 (2024.01); B08B 1/16 (2024.01)
CPC (source: EP SE)
A46B 13/00 (2013.01 - SE); B08B 1/12 (2024.01 - SE); B08B 1/165 (2024.01 - SE); E21B 12/06 (2013.01 - EP); E21B 37/02 (2013.01 - SE)
Citation (search report)
See references of WO 2022039653A1
Designated contracting state (EPC)
AL 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 RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2022039653 A1 20220224; AU 2021327697 A1 20230209; CA 3188347 A1 20220224; EP 4200508 A1 20230628; SE 2050959 A1 20220219; SE 544331 C2 20220412
DOCDB simple family (application)
SE 2021050801 W 20210817; AU 2021327697 A 20210817; CA 3188347 A 20210817; EP 21759429 A 20210817; SE 2050959 A 20200818