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(11)

EP 4 284 654 A1

(12)

(43) Date of publication: 06.12.2023 Bulletin 2023/49 (21) Application number: 22746362.7 (22) Date of filing: 28.01.2022

(51) International Patent Classification (IPC):  B42D 25/00(2014.01) B23K 26/36(2014.01) (52) Cooperative Patent Classification (CPC): B42D 25/24; B42D 25/305; B42D 25/318; B42D 25/41; B42D 13/00; B42D 25/373; B42D 25/387; B42D 1/008; B42D 1/001 (86) International application number: PCT/SG2022/050044 (87) International publication number: WO 2022/164390 (04.08.2022 Gazette 2022/31)

(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: 01.02.2021 SG 10202101057P (71) Applicant: TOPPAN LEEFUNG PTE LTD Singapore 237994 (SG)	(72) Inventors: VERMEULIN, Alice 75015 Paris (FR) ROUCH-PAULIN, Anthony 34770 Gigean (FR) (74) Representative: Germain Maureau  12, rue Boileau 69006 Lyon 69006 Lyon (FR)