FLUSHING LIQUID SEALING DEVICE IN A ROCK DRILLING MACHINE, METHOD OF PRODUCING IT, FLUSHING HOUSING AND ROCK DRILLING MACHINE - Patent 2805003

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EP 2 805 003 A1

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(43)	Date of publication:
	26.11.2014 Bulletin 2014/48

(21)	Application number: 13738985.4

(22)	Date of filing: 09.01.2013

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International Patent Classification (IPC):

E21B 6/00^(2006.01)

C23F 13/00^(2006.01)

(86)	International application number:
	PCT/SE2013/050008

(87)	International publication number:
	WO 2013/109182 (25.07.2013 Gazette 2013/30)

(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:

19.01.2012 SE 1250029

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

(72)	Inventor:
	PERSSON, Anders S-702 32 Örebro (SE)

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

(54)	FLUSHING LIQUID SEALING DEVICE IN A ROCK DRILLING MACHINE, METHOD OF PRODUCING IT, FLUSHING HOUSING AND ROCK DRILLING MACHINE