(19)

(11)

EP 2 655 748 A1

(12)

(43) Date of publication: 30.10.2013 Bulletin 2013/44 (21) Application number: 11833905.0 (22) Date of filing: 21.10.2011

(51) International Patent Classification (IPC):  E02D 7/10(2006.01) F15B 15/00(2006.01) B25D 9/14(2006.01) (86) International application number: PCT/FI2011/000043 (87) International publication number: WO 2012/052601 (26.04.2012 Gazette 2012/17)

(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 (30) Priority: 21.10.2010 FI 20100353 (71) Applicant: Unisto Oy 13130 Hämeenlinna (FI)	(72) Inventors: LINDEMAN, Mikko FI-13100 Hämeenlinna (FI) HÄNNINEN, Antti FI-13100 Hämeenlinna (FI) (74) Representative: Nieminen, Taisto Tapani et al Patenttitoimisto T. Nieminen Oy P.O. Box 65 33201 Tampere 33201 Tampere (FI)