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EP 4 352 328 A1

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(43) Date of publication: 17.04.2024 Bulletin 2024/16 (21) Application number: 22735657.3 (22) Date of filing: 09.06.2022

(51) International Patent Classification (IPC):  E05B 3/06(2006.01) E05B 63/16(2006.01) E05B 65/10(2006.01) E05B 15/00(2006.01) E05B 1/00(2006.01) E05B 59/00(2006.01) (52) Cooperative Patent Classification (CPC): E05B 3/06; E05B 15/0033; E05B 15/004; E05B 63/16; E05B 1/003; E05B 65/1086; E05B 59/00 (86) International application number: PCT/SE2022/050561 (87) International publication number: WO 2022/260582 (15.12.2022 Gazette 2022/50)

(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: 11.06.2021 SE 2150756 (71) Applicant: Stendals El AB 721 31 Västerås (SE)	(72) Inventors: STENDAL, Jan 722 18 VÄSTERÅS (SE) JENSEN, Lars 735 37 SURAHAMMAR (SE) HANNU, Anders 723 53 VÄSTERÅS (SE) (74) Representative: Brann AB  P.O. Box 3690 Sveavägen 63 103 59 Stockholm 103 59 Stockholm (SE)