(19)
(11) EP 3 551 797 A1

(12)

(43) Date of publication:
16.10.2019 Bulletin 2019/42

(21) Application number: 17879158.8

(22) Date of filing: 30.11.2017
(51) International Patent Classification (IPC): 
D21C 7/06(2006.01)
 D21C 7/00(2006.01)
(86) International application number:
PCT/SE2017/051197
(87) International publication number:
WO 2018/106169 (14.06.2018 Gazette 2018/24)
(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: 09.12.2016 SE 1651626

(71) Applicant: Valmet AB
851 94 Sundsvall (SE)

(72) Inventors:
  • JANSSON, Roger
    SE-653 50 Karlstad (SE)
  • SÖDERMAN, Jerk
    SE-653 42 Karlstad (SE)

(74) Representative: Becker Kurig Straus 
Patentanwälte Bavariastrasse 7
80336 München
80336 München (DE)

   


(54) COUNTER-SPIRAL FEEDING IN A TOP SEPARATOR FOR A DIGESTER