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(11)

EP 4 165 266 A2

(12)

(88) Date of publication A3: 10.02.2022 (43) Date of publication: 19.04.2023 Bulletin 2023/16 (21) Application number: 21734554.5 (22) Date of filing: 11.06.2021

(51) International Patent Classification (IPC):  E05B 53/00(2006.01) E05B 63/16(2006.01) E05B 17/22(2006.01) E05B 13/00(2006.01) E05B 65/10(2006.01) E05B 59/00(2006.01) E05B 15/00(2006.01) E05B 47/00(2006.01) (52) Cooperative Patent Classification (CPC): E05B 65/1086; E05B 63/0069; E05B 63/0004; E05B 53/00; E05B 2047/0067; E05B 65/108; E05B 63/16; E05B 59/00; E05B 17/22; E05B 15/004; E05B 15/0013; E05B 13/005 (86) International application number: PCT/SE2021/050568 (87) International publication number: WO 2021/251896 (16.12.2021 Gazette 2021/50)

(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: 12.06.2020 SE 2050711 (71) Applicant: Stendals El AB 721 31 Västerås (SE)	(72) Inventors: STENDAL, Jan 722 18 VÄSTERÅS (SE) JENSEN, Lars 735 37 SURAHAMMAR (SE) (74) Representative: Brann AB  P.O. Box 3690 Sveavägen 63 103 59 Stockholm 103 59 Stockholm (SE)