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(11)

EP 4 118 282 A1

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(43) Date of publication: 18.01.2023 Bulletin 2023/03 (21) Application number: 21710492.6 (22) Date of filing: 11.03.2021

(51) International Patent Classification (IPC):  E04F 15/10(2006.01) E04F 13/08(2006.01) E04F 15/02(2006.01) E04F 13/18(2006.01) (52) Cooperative Patent Classification (CPC): E04F 2203/08; E04F 15/105; E04F 15/107; E04F 15/02038; E04F 13/0866; E04F 13/0894; E04F 13/18 (86) International application number: PCT/EP2021/056250 (87) International publication number: WO 2021/180882 (16.09.2021 Gazette 2021/37)

(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: 13.03.2020 NL 2025119 30.10.2020 NL 2026795 (71) Applicant: Champion Link International Corporation 2640 The Valley (AI)	(72) Inventors: VAN POYER, Tom Jiaxing, Zhejiang 314100 (CN) BOON, Sven Jiaxing, Zhejiang 314100 (CN) BAERT, Thomas Luc Martine 9830 Sint-Martens-Latem (BE) (74) Representative: Patentwerk B.V.  P.O. Box 1514 5200 BN 's-Hertogenbosch 5200 BN 's-Hertogenbosch (NL)