(19)

(11)

EP 3 111 011 A1

(12)

(43) Date of publication: 04.01.2017 Bulletin 2017/01 (21) Application number: 15707692.8 (22) Date of filing: 13.02.2015

(51) International Patent Classification (IPC):  E01C 11/12(2006.01) E01C 11/14(2006.01) (86) International application number: PCT/FI2015/050088 (87) International publication number: WO 2015/121538 (20.08.2015 Gazette 2015/33)

(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: 14.02.2014 FI 20145148 28.02.2014 AU 2014201090 28.02.2014 NZ 62189514 (71) Applicant: Peikko Group Oy 15170 Lahti (FI)	(72) Inventor: EVE, Patrick Newton Aycliffe Durham DL5 6SN (GB) (74) Representative: Boco IP Oy Ab  Itämerenkatu 5 00180 Helsinki 00180 Helsinki (FI)