(19)

(11)

EP 3 283 689 A1

(12)

(43) Date of publication: 21.02.2018 Bulletin 2018/08 (21) Application number: 16780380.8 (22) Date of filing: 12.04.2016

(51) International Patent Classification (IPC):  E01B 25/24(2006.01) E01B 23/04(2006.01) E01B 11/02(2006.01) E04G 21/16(2006.01) (86) International application number: PCT/SE2016/050311 (87) International publication number: WO 2016/167710 (20.10.2016 Gazette 2016/42)

(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: 13.04.2015 SE 1550436 (71) Applicant: Brunkeberg Systems AB 252 21 Helsingborg (SE)	(72) Inventors: FALK, Henrik 114 48 Stockholm (SE) SIMLUND, David 112 37 Stockholm (SE) (74) Representative: Ström & Gulliksson AB  P.O. Box 4188 203 13 Malmö 203 13 Malmö (SE)