(19)

(11)

EP 4 176 152 A1

(12)

(43) Date of publication: 10.05.2023 Bulletin 2023/19 (21) Application number: 21837432.0 (22) Date of filing: 02.07.2021

(51) International Patent Classification (IPC):  E06B 3/50(2006.01) E05D 15/48(2006.01) E05D 15/06(2006.01) E05D 15/58(2006.01) (52) Cooperative Patent Classification (CPC): E05D 15/58; E05D 15/48; E05D 2015/485; E05Y 2900/15; E05Y 2800/262; E06B 3/5063 (86) International application number: PCT/SE2021/050667 (87) International publication number: WO 2022/010401 (13.01.2022 Gazette 2022/02)

(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: 06.07.2020 SE 2050855 (71) Applicant: Balco Group AB 352 45 Växjö (SE)	(72) Inventor: LANDMÉR, Johan 352 30 Växjö (SE) (74) Representative: AWA Sweden AB  Box 5117 200 71 Malmö 200 71 Malmö (SE)