METHOD, APPARATUS AND HOLDER FOR MOUNTING OF A DRILL BIT - Patent 3548691

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EP 3 548 691 A1

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(43)	Date of publication:
	09.10.2019 Bulletin 2019/41

(21)	Application number: 17875615.1

(22)	Date of filing: 31.10.2017

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International Patent Classification (IPC):

E21B 19/18^(2006.01)

E21B 19/14^(2006.01)

(86)	International application number:
	PCT/SE2017/051073

(87)	International publication number:
	WO 2018/101870 (07.06.2018 Gazette 2018/23)

(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
	Designated Extension States:
	BA ME
	Designated Validation States:
	MA MD

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Priority:

29.11.2016 SE 1651565

(71)	Applicant: Epiroc Rock Drills Aktiebolag
	701 91 Örebro (SE)

(72)	Inventor:
	ENGBLOM, Johan 713 91 Nora (SE)

(74)	Representative: Valea AB
	Box 7086 103 87 Stockholm 103 87 Stockholm (SE)

(54)	METHOD, APPARATUS AND HOLDER FOR MOUNTING OF A DRILL BIT