(19)

(11)

EP 3 844 354 A1

(12)

(43) Date of publication: 07.07.2021 Bulletin 2021/27 (21) Application number: 19854469.4 (22) Date of filing: 20.08.2019

(51) International Patent Classification (IPC):  E04B 5/12(2006.01) E04C 3/12(2006.01) (86) International application number: PCT/NO2019/050170 (87) International publication number: WO 2020/046136 (05.03.2020 Gazette 2020/10)

(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: KH MA MD TN (30) Priority: 27.08.2018 NO 20181121 (71) Applicant: ARNE VASLAG 7224 Melhus (NO)	(72) Inventor: VASLAG, Arne 7224 Melhus (NO) (74) Representative: Curo AS  Vestre Rosten 81 7075 Tiller 7075 Tiller (NO)