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EP 2 834 413 A1

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(43) Date of publication: 11.02.2015 Bulletin 2015/07 (21) Application number: 13726273.9 (22) Date of filing: 04.04.2013

(51) International Patent Classification (IPC):  E01B 1/00(2006.01) E01B 9/30(2006.01) E01B 2/00(2006.01) E01B 9/28(2006.01) (86) International application number: PCT/IB2013/052705 (87) International publication number: WO 2013/150482 (10.10.2013 Gazette 2013/41)

(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 (30) Priority: 05.04.2012 DE 102012103001 (71) Applicant: RTE Technologie GmbH 6900 Bregenz (AT)	(72) Inventors: KOWALSKI, Martin 83404 Ainring (DE) AL-THUWAINY, Taria A-6890 Lustenau (AT) KNITTEL, Stefan A-5020 Salzburg (AT) (74) Representative: Hennicke, Ernst Rüdiger  Patentanwälte Buschhoff Hennicke Althaus Postfach 19 04 08 50501 Köln 50501 Köln (DE)