EP 2470742 A1 20120704 - RAM BORING DEVICE
Title (en)
RAM BORING DEVICE
Title (de)
RAMMBOHRVORRICHTUNG
Title (fr)
PERFORATEUR À PERCUSSION
Publication
Application
Priority
- DE 102009038383 A 20090824
- EP 2010005132 W 20100820
Abstract (en)
[origin: WO2011023341A1] The invention relates to a ram boring device for creating horizontal bores, having an impact piston which moves in an oscillatory manner within a casing of the ram boring device and of which the impact frequency or impact intensity can be varied by displacing the central position of the impact piston within the casing.
IPC 8 full level
CPC (source: EP US)
E21B 4/06 (2013.01 - EP US); E21B 4/14 (2013.01 - EP US); E21B 4/145 (2013.01 - EP US)
Citation (search report)
See references of WO 2011023341A1
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 SE SI SK SM TR
DOCDB simple family (publication)
DE 102009038383 A1 20110303; DE 102009038383 A8 20110601; DE 102009038383 B4 20141016; AU 2010288923 A1 20120329; AU 2010288923 B2 20140508; CN 102482917 A 20120530; CN 102482917 B 20160113; EP 2470742 A1 20120704; EP 2470742 B1 20140723; PL 2470742 T3 20150130; US 2012228031 A1 20120913; US 9016404 B2 20150428; WO 2011023341 A1 20110303
DOCDB simple family (application)
DE 102009038383 A 20090824; AU 2010288923 A 20100820; CN 201080037586 A 20100820; EP 10752520 A 20100820; EP 2010005132 W 20100820; PL 10752520 T 20100820; US 201013391989 A 20100820