A DEVICE PREFERABLY FOR PERFORMING OF A DRILLING IN EARTH-LAYER AND ROCK - Patent 2201207

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EP 2 201 207 A1

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(43)	Date of publication:
	30.06.2010 Bulletin 2010/26

(21)	Application number: 08829579.5

(22)	Date of filing: 06.09.2008

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International Patent Classification (IPC):

E21B 7/02^(2006.01)

B60K 25/06^(2006.01)

(86)	International application number:
	PCT/SE2008/000500

(87)	International publication number:
	WO 2009/031963 (12.03.2009 Gazette 2009/11)

(84)	Designated Contracting States:
	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 States:
	AL BA MK RS

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Priority:

07.09.2007 SE 0702013

(71)	Applicant: Svenska Maskin Och Tryckluft I Bålsta AB
	746 22 Bålsta (SE)

(72)	Inventor:
	HÅKANSSON, Conny S-182 35 Danderyd (SE)

(74)	Representative: Bjelkstam, Peter
	Radjursvägen 11 131 42 Nacka 131 42 Nacka (SE)

(54)	A DEVICE PREFERABLY FOR PERFORMING OF A DRILLING IN EARTH-LAYER AND ROCK