ARRANGEMENT AND METHOD FOR DETERMINING THE POSITION OF A ROCK REINFORCING BOLT - Patent 2041395

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EP 2 041 395 A1

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(43)	Date of publication:
	01.04.2009 Bulletin 2009/14

(21)	Application number: 07748210.7

(22)	Date of filing: 07.06.2007

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International Patent Classification (IPC):

E21D 20/00^(2006.01)

E21B 47/09^(2006.01)

(86)	International application number:
	PCT/SE2007/000547

(87)	International publication number:
	WO 2008/010757 (24.01.2008 Gazette 2008/04)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA HR MK RS

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Priority:

17.07.2006 SE 0601569

(71)	Applicant: Atlas Copco Rock Drills AB
	701 14 Örebro (SE)

(72)	Inventor:
	GUSTAVSSON, Hans 703 78 Örebro (SE)

(74)	Representative: Janson, Ronny et al
	Ehrner & Delmar Patentbyrå AB Box 10316 100 55 Stockholm 100 55 Stockholm (SE)

(54)	ARRANGEMENT AND METHOD FOR DETERMINING THE POSITION OF A ROCK REINFORCING BOLT