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EP 4 577 403 A1

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(43) Date of publication: 02.07.2025 Bulletin 2025/27 (21) Application number: 23857839.7 (22) Date of filing: 23.08.2023

(51) International Patent Classification (IPC):  B32B 1/08(2006.01) B32B 7/12(2006.01) B32B 27/08(2006.01) (52) Cooperative Patent Classification (CPC): B32B 7/12; B32B 27/08; B32B 27/32; B32B 2307/7376; B32B 2307/72; B32B 2250/05; B32B 27/306; B32B 2439/00; B32B 2439/70; B32B 2553/00 (86) International application number: PCT/TH2023/000020 (87) International publication number: WO 2024/043840 (29.02.2024 Gazette 2024/09)

(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: 25.08.2022 TH 2201005353 (71) Applicant: Kim Pack Co., Ltd. Bangkok, 10120 (TH)	(72) Inventor: LIMATIBUL, Sumet Thungmahamek, Sathorn, Bangkok, 10120 (TH) (74) Representative: Jones, Nicholas Andrew  Withers & Rogers LLP 2 London Bridge London SE1 9RA London SE1 9RA (GB)