(19)

(11)

EP 2 815 032 A1

(12)

(43) Date of publication: 24.12.2014 Bulletin 2014/52 (21) Application number: 13744134.1 (22) Date of filing: 30.01.2013

(51) International Patent Classification (IPC):  E02D 35/00(2006.01) E02D 3/12(2006.01) (86) International application number: PCT/FI2013/050100 (87) International publication number: WO 2013/113996 (08.08.2013 Gazette 2013/32)

(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: 30.01.2012 FI 20125089 (71) Applicant: Uretek Worldwide Oy 33960 Pirkkala (FI)	(72) Inventors: HÄKKINEN, Sami FI-33960 Pirkkala (FI) PERÄLÄ, Antti FI-33960 Pirkkala (FI) LIEVONEN, Tuomas FI-33960 Pirkkala (FI) (74) Representative: Kolster Oy Ab  Iso Roobertinkatu 23 PO Box 148 00121 Helsinki 00121 Helsinki (FI)