EP 1475513 A1 20041110 - Wrenching tong
Title (en)
Wrenching tong
Title (de)
Schraubzange
Title (fr)
CLE A TIGES
Publication
Application
Priority
- EP 00976168 A 20001117
- GB 9927825 A 19991126
Abstract (en)
Apparatus for applying torque to a first tubular relative to a second tubular, the apparatus comprising a first tong 1 for gripping the first tubular and a second tong 11 for gripping the second tubular, wherein the first tong is provided with teeth 14 around a peripheral surface thereof, the second tong is provided with at least one pinion 7, and the pinion meshes with the teeth in such a way that the first tong and the second tong can be rotated relative to one another when the pinion is rotated. <IMAGE>
IPC 1-7
IPC 8 full level
E21B 19/16 (2006.01)
CPC (source: EP NO)
E21B 19/16 (2013.01 - NO); E21B 19/164 (2013.01 - EP)
Citation (search report)
- [A] GB 2128526 A 19840502 - CHRISTENSEN INC
- [A] US 5092399 A 19920303 - LANG DUANE [US]
- [A] US 4442892 A 19840417 - DELESANDRI DOMENICO [US]
- [A] WO 9318276 A1 19930916 - WEATHERFORD LAMB [US], et al
Designated contracting state (EPC)
NL
DOCDB simple family (publication)
GB 2356591 A 20010530; GB 2356591 B 20031015; GB 9927825 D0 20000126; AU 1404801 A 20010604; AU 772533 B2 20040429; CA 2389449 A1 20010531; CA 2389449 C 20070807; DE 60014955 D1 20041118; EP 1232323 A1 20020821; EP 1232323 B1 20041013; EP 1475513 A1 20041110; EP 1475513 B1 20080716; NO 20021924 D0 20020424; NO 20021924 L 20020703; NO 20150916 A1 20020703; NO 336474 B1 20150831; WO 0138688 A1 20010531
DOCDB simple family (application)
GB 9927825 A 19991126; AU 1404801 A 20001117; CA 2389449 A 20001117; DE 60014955 T 20001117; EP 00976168 A 20001117; EP 04103600 A 20001117; GB 0004383 W 20001117; NO 20021924 A 20020424; NO 20150916 A 20150714