EP 2927417 B1 20181114 - SELF-OPENING ROTATING PERCUSSION DRILL TIP, ESPECIALLY FOR OVERBURDEN DRILLING
Title (en)
SELF-OPENING ROTATING PERCUSSION DRILL TIP, ESPECIALLY FOR OVERBURDEN DRILLING
Title (de)
SICH ÖFFNENDE DREH-SCHLAGBOHRKRONE, INSBESONDERE ZUM ÜBERLAGERUNGSBOHREN
Title (fr)
COURONNE DE FOREUSE ROTATIVE À PERCUSSION OUVRANT, EN PARTICULIER POUR LE FORAGE DE MORTS-TERRAINS
Publication
Application
Priority
DE 102014104516 A 20140331
IPC 8 full level
E21B 7/20 (2006.01); E21B 10/32 (2006.01); E21B 10/36 (2006.01); E21B 10/62 (2006.01); E21B 17/03 (2006.01)
CPC (source: EP US)
E21B 7/20 (2013.01 - EP); E21B 10/32 (2013.01 - EP US); E21B 10/36 (2013.01 - EP); E21B 10/62 (2013.01 - EP); E21B 10/66 (2013.01 - EP); E21B 17/03 (2013.01 - 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 2927417 A2 20151007; EP 2927417 A3 20160427; EP 2927417 B1 20181114; DE 102014104516 A1 20151001
DOCDB simple family (application)
EP 15161307 A 20150327; DE 102014104516 A 20140331