(19)
(11) EP 4 429 986 A1

(12)

(43) Date of publication:
18.09.2024 Bulletin 2024/38

(21) Application number: 22793871.9

(22) Date of filing: 11.10.2022
(51) International Patent Classification (IPC): 
B65H 75/10(2006.01)
B65H 75/28(2006.01)
(52) Cooperative Patent Classification (CPC):
B65H 75/10; B65H 75/28; B65H 2701/514; B65H 2511/166; B65H 2301/41428
(86) International application number:
PCT/IB2022/059741
(87) International publication number:
WO 2023/079387 (11.05.2023 Gazette 2023/19)
(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: 08.11.2021 US 202163277015 P

(71) Applicant: 3M Innovative Properties Company
Saint Paul, Minnesota 55133-3427 (US)

(72) Inventors:
  • CRAWLEY, Elizabeth A.
    Saint Paul, Minnesota 55133-3427 (US)
  • ANTILA, Garth V.
    Saint Paul, Minnesota 55133-3427 (US)
  • MURPHY, Andy J.
    Saint Paul, Minnesota 55133-3427 (US)

(74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB 
Siebertstraße 4
81675 München
81675 München (DE)

   


(54) WOUND ROLL CORE COVERING