(19)

(11)

EP 4 240 896 A1

(12)

(43) Date of publication: 13.09.2023 Bulletin 2023/37 (21) Application number: 21802026.1 (22) Date of filing: 03.11.2021

(51) International Patent Classification (IPC):  D06P 1/02(2006.01) D06P 1/08(2006.01) D06P 1/39(2006.01) D06P 1/649(2006.01) D06P 1/06(2006.01) D06P 1/10(2006.01) D06P 3/32(2006.01) (52) Cooperative Patent Classification (CPC): D06P 1/10; D06P 1/08; D06P 1/06; D06P 1/39; D06P 1/02; D06P 3/32; D06P 3/3206; D06P 3/3213; D06P 3/322; D06P 3/3226; D06P 3/3233; D06P 1/6493 (86) International application number: PCT/NL2021/050673 (87) International publication number: WO 2022/098232 (12.05.2022 Gazette 2022/19)

(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: 04.11.2020 NL 2026818 (71) Applicant: Stahl International B.V. 5145 PE Waalwijk (NL)	(72) Inventors: GAMARINO, Roberta 20037 Paderno Dugnano (IT) MATTIOLO, Emanuele 20037 Paderno Dugnano (IT) PIERINI, Massimo 20037 Paderno Dugnano (IT) (74) Representative: V.O.  P.O. Box 87930 2508 DH Den Haag 2508 DH Den Haag (NL)