(19)

(11)

EP 2 989 251 A1

(12)

(43) Date of publication: 02.03.2016 Bulletin 2016/09 (21) Application number: 14718369.3 (22) Date of filing: 14.04.2014

(51) International Patent Classification (IPC):  E01C 1/00(2006.01) E01F 8/00(2006.01) (86) International application number: PCT/EP2014/057507 (87) International publication number: WO 2014/173715 (30.10.2014 Gazette 2014/44)

(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: 23.04.2013 CH 814132013 (71) Applicant: Designergy SA 6900 Lugano (CH)	(72) Inventor: LEPORI, Daniel CH-6976 Castagnola (CH) (74) Representative: Troesch Scheidegger Werner AG  Schwäntenmos 14 8126 Zumikon 8126 Zumikon (CH)