EP 3679219 A1 20200715 - TUNNELING FOR UNDERGROUND POWER AND PIPELINES
Title (en)
TUNNELING FOR UNDERGROUND POWER AND PIPELINES
Title (de)
TUNNELUNG FÜR UNTERIRDISCHE STROM- UND ROHRLEITUNGEN
Title (fr)
CREUSEMENT DE TUNNEL POUR CÂBLES ET PIPELINES SOUTERRAINS
Publication
Application
Priority
US 2018060961 W 20181114
Abstract (en)
[origin: WO2020101666A1] A tunnel boring machine including a propulsion system, an enclosure carried by the propulsion system, and a torch support structure carried by the enclosure. The torch support structure can include a primary disc mounted on a rotatable shaft carried by the enclosure, a first plurality of plasma torches mounted to the primary disc, and a power supply cable coupled to the enclosure and adapted to supply power to the boring machine from one or more power sources.
IPC 8 full level
E21B 7/14 (2006.01); E21B 7/15 (2006.01); E21D 9/10 (2006.01); E21D 13/00 (2006.01)
CPC (source: EP)
E21B 7/14 (2013.01); E21B 7/15 (2013.01); E21D 9/1073 (2013.01); E21D 13/00 (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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2020101666 A1 20200522; AU 2018438150 A1 20200528; CA 3071757 A1 20200514; EP 3679219 A1 20200715; EP 3679219 A4 20200715
DOCDB simple family (application)
US 2018060961 W 20181114; AU 2018438150 A 20181114; CA 3071757 A 20181114; EP 18865333 A 20181114