(19)

(11)

EP 3 612 685 A1

(12)

(43) Date of publication: 26.02.2020 Bulletin 2020/09 (21) Application number: 18761264.3 (22) Date of filing: 28.02.2018

(51) International Patent Classification (IPC):  E04B 1/10(2006.01) E04B 1/80(2006.01) E04C 2/12(2006.01) (86) International application number: PCT/SE2018/000004 (87) International publication number: WO 2018/160112 (07.09.2018 Gazette 2018/36)

(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 TN (30) Priority: 01.03.2017 SE 1730052 (71) Applicant: Viklund, Sören 891 95 Arnäsvall (SE)	(72) Inventor: Viklund, Sören 891 95 Arnäsvall (SE)