(19)
(11) EP 3 397 579 A1

(12)

(43) Date of publication:
07.11.2018 Bulletin 2018/45

(21) Application number: 16882550.3

(22) Date of filing: 28.12.2016
(51) International Patent Classification (IPC): 
B65H 75/10(2006.01)
B65H 75/28(2006.01)
(86) International application number:
PCT/US2016/068851
(87) International publication number:
WO 2017/117206 (06.07.2017 Gazette 2017/27)
(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:
MA MD

(30) Priority: 29.12.2015 US 201562272437 P
28.10.2016 US 201662414319 P

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

(72) Inventors:
  • RETTERATH, Joshua, M.
    Saint Paul MN 55133-3427 (US)
  • KUDUVA RAMAN THANUMOORTHY, Ramasubramani
    Saint Paul MN 55133-3427 (US)
  • AUSEN, Ronald, W.
    Saint Paul MN 55133-3427 (US)

(74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB 
Siebertstrasse 3
81675 München
81675 München (DE)

   


(54) WINDING CORE FOR WEBS AND ROLLS ON SAME