(19)

(11)

EP 3 468 746 A1

(12)

(43) Date of publication: 17.04.2019 Bulletin 2019/16 (21) Application number: 17831410.0 (22) Date of filing: 14.07.2017

(51) International Patent Classification (IPC):  B24B 9/16(2006.01) B24B 19/16(2006.01) B28D 5/00(2006.01) (86) International application number: PCT/NO2017/050192 (87) International publication number: WO 2018/016966 (25.01.2018 Gazette 2018/04)

(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: 20.07.2016 NO 20161196 (71) Applicant: Alves-Filho, Odilio 7031 Trondheim (NO)	(72) Inventor: Alves-Filho, Odilio 7031 Trondheim (NO) (74) Representative: Curo AS  Vestre Rosten 81 7075 Tiller 7075 Tiller (NO)