EP 2145075 A2 20100120 - ROD COUPLING COMPRISING A SACRIFICIAL ELEMENT
Title (en)
ROD COUPLING COMPRISING A SACRIFICIAL ELEMENT
Title (de)
GESTÄNGEKUPPLUNG MIT OPFERELEMENT
Title (fr)
ACCOUPLEMENT DE TRAIN DE TIGES À ÉLÉMENT SACRIFICIEL
Publication
Application
Priority
- EP 2008002706 W 20080404
- DE 102007016822 A 20070405
- DE 102007016824 A 20070405
Abstract (en)
[origin: WO2008122416A2] The invention relates to a coupling system for rod segments for use in horizontal earth boring, wherein the ends of the rod segments are interlinked via a separate sacrificial element which can be used as a predetermined breaking point or which allows the rod segments to be pivoted relative each other.
IPC 8 full level
E21B 17/046 (2006.01)
CPC (source: EP US)
E21B 17/046 (2013.01 - EP US); F16B 2200/63 (2023.08 - EP US); Y10T 29/49718 (2015.01 - EP US); Y10T 403/7005 (2015.01 - EP US)
Citation (search report)
See references of WO 2008122416A2
Citation (examination)
- DE 717535 C 19420217 - FRANKFURTER MASCHB AG VORMALS
- US 5588771 A 19961231 - SCOTT GREGORY H [US], et al
- US 721427 A 19030224 - COPE THOMAS J [US]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
WO 2008122416 A2 20081016; WO 2008122416 A3 20090122; WO 2008122416 A4 20090312; AU 2008235045 A1 20081016; AU 2008235045 B2 20141106; CN 101680276 A 20100324; CN 101680276 B 20141217; EP 2145075 A2 20100120; JP 2010523908 A 20100715; JP 5713670 B2 20150507; US 2010150643 A1 20100617; US 8944189 B2 20150203
DOCDB simple family (application)
EP 2008002706 W 20080404; AU 2008235045 A 20080404; CN 200880014930 A 20080404; EP 08735031 A 20080404; JP 2010501437 A 20080404; US 59469108 A 20080404