SUPPORT STRUCTURE FOR DRIVE OR RETURN STATIONS USED IN UNDERGROUND MINING - Patent 2820244

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EP 2 820 244 A1

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(43)	Date of publication:
	07.01.2015 Bulletin 2015/02

(21)	Application number: 13708345.7

(22)	Date of filing: 26.02.2013

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International Patent Classification (IPC):

E21D 9/12^(2006.01)

E21F 13/06^(2006.01)

(86)	International application number:
	PCT/EP2013/000556

(87)	International publication number:
	WO 2013/127517 (06.09.2013 Gazette 2013/36)

(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

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Priority:

27.02.2012 DE 202012100658 U

(71)	Applicant: Caterpillar Global Mining Europe GmbH
	44534 Lünen (DE)

(72)	Inventors:
	TILLESSEN, Uwe 59174 Kamen (DE) DUHNKE, Klaus 59368 Werne (DE) SIEPENKORT, Gerhard 44534 Luenen (DE) HESSE, Norbert 44795 Bochum (DE)

(74)	Representative: Kramer Barske Schmidtchen Patentanwälte PartG mbB
	European Patent Attorneys Landsberger Strasse 300 80687 München 80687 München (DE)

(54)	SUPPORT STRUCTURE FOR DRIVE OR RETURN STATIONS USED IN UNDERGROUND MINING