METHOD AND DEVICE FOR CONTROLLING AT LEAST ONE DRILLING PARAMETER FOR ROCK DRILLING - Patent 2140107

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EP 2 140 107 A1

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(43)	Date of publication:
	06.01.2010 Bulletin 2010/01

(21)	Application number: 08741842.2

(22)	Date of filing: 09.04.2008

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International Patent Classification (IPC):

E21B 44/06^(2006.01)

E21B 44/00^(2006.01)

(86)	International application number:
	PCT/SE2008/000255

(87)	International publication number:
	WO 2008/127171 (23.10.2008 Gazette 2008/43)

(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

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Priority:

11.04.2007 SE 0700883

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

(72)	Inventor:
	PETTERSSON, Maria S-715 92 Stora Mellösa (SE)

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

(54)	METHOD AND DEVICE FOR CONTROLLING AT LEAST ONE DRILLING PARAMETER FOR ROCK DRILLING