(19)

(11)

EP 3 250 754 A1

(12)

(43) Date of publication: 06.12.2017 Bulletin 2017/49 (21) Application number: 16743797.9 (22) Date of filing: 29.01.2016

(51) International Patent Classification (IPC):  E01C 13/08(2006.01) (86) International application number: PCT/SE2016/050059 (87) International publication number: WO 2016/122389 (04.08.2016 Gazette 2016/31)

(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: 30.01.2015 SE 1550095 (71) Applicant: Åhus Turf Ab 200 61 Limhamn (SE)	(72) Inventor: ALBÄCK, Thomas 261 73 Häljarp (SE) (74) Representative: Awapatent AB  P.O. Box 5117 200 71 Malmö 200 71 Malmö (SE)