(19)

(11)

EP 4 540 479 A1

(12)

(43) Date of publication: 23.04.2025 Bulletin 2025/17 (21) Application number: 23732606.1 (22) Date of filing: 15.06.2023

(51) International Patent Classification (IPC):  E04H 7/06(2006.01) B23K 37/02(2006.01) B21C 37/12(2006.01) (52) Cooperative Patent Classification (CPC): E04H 7/06 (86) International application number: PCT/EP2023/066111 (87) International publication number: WO 2023/242340 (21.12.2023 Gazette 2023/51)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 15.06.2022 EP 22179313 (71) Applicant: J&D Beheer B.V. 1505 HE Zaandam (NL)	(72) Inventors: GIELING, Cees 1505 HE Zaandam (NL) FONS, Gert Jan 1505 HE Zaandam (NL) (74) Representative: Hoyng Rokh Monegier B.V.  Rembrandt Tower, 30th Floor Amstelplein 1 1096 HA Amsterdam 1096 HA Amsterdam (NL)