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(11)

EP 4 185 462 A1

(12)

(43) Date of publication: 31.05.2023 Bulletin 2023/22 (21) Application number: 21845498.1 (22) Date of filing: 21.07.2021

(51) International Patent Classification (IPC):  B32B 3/26(2006.01) A47B 96/20(2006.01) (52) Cooperative Patent Classification (CPC): A47B 96/20; B32B 7/12; B32B 2255/26; B32B 2250/40; B32B 2419/00; B32B 5/02; B32B 29/02; B32B 29/005; B32B 21/13; B32B 3/266; B32B 21/14; B32B 21/06; B32B 2597/00; B32B 21/042; B32B 2255/12; B32B 5/022; B32B 2255/08; B32B 21/02; B32B 2479/00; B32B 15/00; B32B 2038/047; B32B 37/12; B32B 38/04 (86) International application number: PCT/SE2021/050744 (87) International publication number: WO 2022/019822 (27.01.2022 Gazette 2022/04)

(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: 23.07.2020 SE 2050918 (71) Applicant: Pålskog Teknik AB 590 49 Vikingstad (SE)	(72) Inventors: MÅRTENSSON, Rickard 57061 Ydre (SE) ANDERSSON, Lars 59075 LJUNGSBRO (SE) (74) Representative: Ström & Gulliksson AB  P.O. Box 793 220 07 Lund 220 07 Lund (SE)