DEVICE FOR ACTIVATION OF GRIPPING JAWS IN CONTINUOUSLY ROTATING TORQUE TONGS FOR USE UNDER PULLING AND OPENING OF THREADED CONNECTIONS - Patent 2744969

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EP 2 744 969 A1

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(43)	Date of publication:
	25.06.2014 Bulletin 2014/26

(21)	Application number: 12822030.8

(22)	Date of filing: 07.08.2012

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International Patent Classification (IPC):

E21B 19/16^(2006.01)

(86)	International application number:
	PCT/NO2012/050144

(87)	International publication number:
	WO 2013/022352 (14.02.2013 Gazette 2013/07)

(84)	Designated Contracting States:
	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

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Priority:

19.08.2011 NO 20111144

(71)	Applicant: Robotic Drilling Systems AS
	4313 Sandnes (NO)

(72)	Inventor:
	HAUGHOM, Per Olav N-4440 Tonstad (NO)

(74)	Representative: Nikolov, Nikolay Dontchev
	Bryn Aarflot AS P.O. Box 449 Sentrum 0104 Oslo 0104 Oslo (NO)

(54)	DEVICE FOR ACTIVATION OF GRIPPING JAWS IN CONTINUOUSLY ROTATING TORQUE TONGS FOR USE UNDER PULLING AND OPENING OF THREADED CONNECTIONS