(19)

(11)

EP 3 256 288 A1

(12)

(43) Date of publication: 20.12.2017 Bulletin 2017/51 (21) Application number: 16749523.3 (22) Date of filing: 09.02.2016

(51) International Patent Classification (IPC):  B24B 31/12(2006.01) B24B 55/10(2006.01) B23Q 11/00(2006.01) B23B 47/34(2006.01) (86) International application number: PCT/NO2016/050018 (87) International publication number: WO 2016/130016 (18.08.2016 Gazette 2016/33)

(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 Designated Validation States: MA MD (30) Priority: 10.02.2015 NO 20150194 (71) Applicant: Stepien, Tom Rune 3614 Kongsberg (NO)	(72) Inventor: Stepien, Tom Rune 3614 Kongsberg (NO) (74) Representative: Acapo AS  P.O. Box 1880 Nordnes 5817 Bergen 5817 Bergen (NO)