(19)

(11)

EP 3 303 705 A1

(12)

(43) Date of publication: 11.04.2018 Bulletin 2018/15 (21) Application number: 16799415.1 (22) Date of filing: 25.05.2016

(51) International Patent Classification (IPC):  E01C 19/20(2006.01) E01C 19/15(2006.01) E01C 19/48(2006.01) E01C 3/00(2006.01) (86) International application number: PCT/FI2016/050354 (87) International publication number: WO 2016/189201 (01.12.2016 Gazette 2016/48)

(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 Designated Validation States: MA MD (30) Priority: 27.05.2015 FI 20155401 (71) Applicant: EPT Kone Ja Laite Oy 43100 Saarijärvi (FI)	(72) Inventor: MÄNTYNEN, Esa 43100 Saarijärvi (FI) (74) Representative: Helke, Kimmo Kalervo  Kespat Oy Vasarakatu 1 40320 Jyväskylä 40320 Jyväskylä (FI)