EP 3551829 B1 20201028 - DRILLING MACHINE COMPRISING AN AUGER AND DEVICE FOR CLEANING THE AUGER
Title (en)
DRILLING MACHINE COMPRISING AN AUGER AND DEVICE FOR CLEANING THE AUGER
Title (de)
BOHRMASCHINE MIT EINER SCHNECKE UND VORRICHTUNG ZUM REINIGEN DER SCHNECKE
Title (fr)
MACHINE DE FORAGE COMPRENANT UNE TARIÈRE ET UN DISPOSITIF DE NETTOYAGE DE LA TARIÈRE
Publication
Application
Priority
- FR 1662315 A 20161212
- FR 2017053511 W 20171212
Abstract (en)
[origin: WO2018109356A1] The invention relates to a drilling machine (10) comprising: a mast (12); an auger (14); a cleaning device (20) for cleaning the auger (14), comprising a carriage (22) mounted on the mast (12) such as to be able to slide in the longitudinal direction (L) of the mast (12), the carriage comprising a body (24) surrounding the auger and a rotary scraper (40), the scraper extending between a lower turn (18a) and an upper turn (18b) of the auger. The invention is characterized iin that the drilling machine (10) comprises a measurement member (50) for determining the movement (ΔΖι) of the carriage (22) along the mast (12) with respect to an initial position (Z0), and the cleaning device (20) comprises a device (54) for regulating the rotational speed (ω) of the scraper (40) according to the said movement (ΔΖι) of the carriage.
IPC 8 full level
E21B 12/06 (2006.01); B08B 1/00 (2006.01)
CPC (source: EP)
B08B 1/165 (2024.01); E21B 12/06 (2013.01)
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
DOCDB simple family (publication)
FR 3060048 A1 20180615; FR 3060048 B1 20201211; EP 3551829 A1 20191016; EP 3551829 B1 20201028; ES 2841336 T3 20210708; WO 2018109356 A1 20180621
DOCDB simple family (application)
FR 1662315 A 20161212; EP 17822403 A 20171212; ES 17822403 T 20171212; FR 2017053511 W 20171212