(19)
(11) EP 4 247 743 A1

(12)

(43) Date of publication:
27.09.2023 Bulletin 2023/39

(21) Application number: 21835824.0

(22) Date of filing: 19.11.2021
(51) International Patent Classification (IPC): 
B65H 45/24(2006.01)
 B65H 29/56(2006.01)
(52) Cooperative Patent Classification (CPC):
B65H 45/24; B65H 2701/1924; B65H 2406/3632; B65H 2511/11; B65H 2513/50; B65H 29/56; B65H 2406/33
 
C-Sets:
  1. B65H 2511/11, B65H 2220/01;
  2. B65H 2513/50, B65H 2220/02, B65H 2220/11;
(86) International application number:
PCT/IB2021/060762
(87) International publication number:
WO 2022/107074 (27.05.2022 Gazette 2022/21)
(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: 20.11.2020 IT 202000027960

(71) Applicant: KÖRBER TISSUE FOLD S.r.l.
55016 Porcari (LU) (IT)

(72) Inventors:
  • DAMIANI, Daniele
    55025 Coreglia Antelminelli (LU) (IT)
  • LOMBARDI, Sergio
    55049 Viareggio (LU) (IT)

(74) Representative: De Milato, Francesco et al
ABM - Agenzia Brevetti & Marchi Patents Viale Giovanni Pisano, 31
56123 Pisa
56123 Pisa (IT)

   


(54) FOLDING, OR INTERFOLDING, UNIT OF A WEB, OR SHEET, OF PAPER IN A PAPER CONVERTING MACHINE