EP 2626505 B1 20190206 - Method and apparatus for controlling the operation of cluster drill of DTH hammers
Title (en)
Method and apparatus for controlling the operation of cluster drill of DTH hammers
Title (de)
Verfahren und Vorrichtung zur Steuerung des Betriebs der Sammelbohrung von DTH-Hammern
Title (fr)
Procédé et appareil pour commander une opération de forage en grappe de marteaux fond de trou
Publication
Application
Priority
HK 12101330 A 20120210
Abstract (en)
[origin: EP2626505A2] An apparatus for drilling hole, comprising: a cluster drill of down-the-hole (DTH) percussion hammers having two or more DTH percussion hammers; and a special distributor having rotatable swivels for sourcing compressed air or pressurized fluid from independent supply sources and distributing to the DTH percussion hammers; wherein the DTH percussion hammers are arranged such that one or more circumferential layers of drill bits are formed covering the drilling area; and wherein within each circumferential layer, at least one DTH percussion hammer is supplied with the compressed air or pressurized fluid from an independent supply source that is different from the independent supply source supplying the other DTH percussion hammers.
IPC 8 full level
CPC (source: EP)
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)
EP 2626505 A2 20130814; EP 2626505 A3 20170913; EP 2626505 B1 20190206; AU 2013200459 A1 20130829; AU 2013200459 B2 20150305; CA 2803530 A1 20130810; CA 2803530 C 20150811; CN 103244049 A 20130814; CN 103244049 B 20160120; ES 2720198 T3 20190718; HK 1155608 A2 20120518; NZ 606411 A 20140530; PT 2626505 T 20190516; RU 2013104124 A 20140810; RU 2540132 C2 20150210
DOCDB simple family (application)
EP 13154119 A 20130206; AU 2013200459 A 20130130; CA 2803530 A 20130130; CN 201210499706 A 20121129; ES 13154119 T 20130206; HK 12101330 A 20120210; NZ 60641113 A 20130130; PT 13154119 T 20130206; RU 2013104124 A 20130131