(19)
(11) EP 3 969 658 A1

(12)

(43) Date of publication:
23.03.2022 Bulletin 2022/12

(21) Application number: 20725179.4

(22) Date of filing: 14.05.2020
(51) International Patent Classification (IPC): 
D21F 3/02(2006.01)
D21H 27/10(2006.01)
D21F 11/00(2006.01)
 B65D 65/40(2006.01)
D21H 11/00(2006.01)
(52) Cooperative Patent Classification (CPC):
D21F 3/0218; D21F 11/00; D21H 11/00; D21H 27/10
(86) International application number:
PCT/EP2020/063488
(87) International publication number:
WO 2020/229611 (19.11.2020 Gazette 2020/47)
(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: 14.05.2019 EP 19174469

(71) Applicant: BillerudKorsnäs AB
169 27 Solna (SE)

(72) Inventors:
  • NORDSTRÖM, Fredrik
    652 26 Karlstad (SE)
  • KULLANDER, Johan
    653 50 Karlstad (SE)
  • KARPATHAKIS, Mikael
    664 93 Edsvalla (SE)

(74) Representative: Kransell & Wennborg KB 
P.O. Box 27834
115 93 Stockholm
115 93 Stockholm (SE)

   


(54) EFFICIENT PRODUCTION OF A CONTAINERBOARD TO BE USED AS FLUTING