ROCK DRILLING DEVICE AND DRILL RIG INCORPORATING A PRESSURE CYLINDER FOR FEEDING THE DRILLING MACHINE - Patent 1859123

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EP 1 859 123 A1

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(43)	Date of publication:
	28.11.2007 Bulletin 2007/48

(21)	Application number: 06716934.2

(22)	Date of filing: 24.02.2006

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International Patent Classification (IPC):

E21B 19/086^(2006.01)

(86)	International application number:
	PCT/SE2006/000244

(87)	International publication number:
	WO 2006/098674 (21.09.2006 Gazette 2006/38)

(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 NL PL PT RO SE SI SK TR

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Priority:

14.03.2005 SE 0500569
14.03.2005 US 661006 P

(71)	Applicant: Atlas Copco Rock Drills AB
	SE-701 91 Orebro (SE)

(72)	Inventor:
	DEUTSCH, René S-705 94 Örebro (SE)

(74)	Representative: Holmberg, Nils Anders Patrik
	BRANN AB P.O. Box 17192 104 62 Stockholm 104 62 Stockholm (SE)

(54)	ROCK DRILLING DEVICE AND DRILL RIG INCORPORATING A PRESSURE CYLINDER FOR FEEDING THE DRILLING MACHINE