(19)
(11) EP 4 798 783 A1

(12)

(43) Date of publication:
02.09.2026 Bulletin 2026/36

(21) Application number: 24772501.3

(22) Date of filing: 28.08.2024
(51) International Patent Classification (IPC): 
D21B 1/34(2006.01)
(52) Cooperative Patent Classification (CPC):
D21B 1/345
(86) International application number:
PCT/US2024/044156
(87) International publication number:
WO 2025/090171 (01.05.2025 Gazette 2025/18)
(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:
GE KH MA MD TN

(30) Priority: 25.10.2023 US 202363593018 P
11.07.2024 US 202463669817 P

(71) Applicant: Kadant Black Clawson LLC
Lebanon, OH 45036 (US)

(72) Inventors:
  • EGAN, III, John J.
    Lebanon, Ohio 45036 (US)
  • DEMLER, Cameron Coale
    Lebanon, Ohio 45036 (US)
  • JOHNSON, Steven R.
    Lebanon, Ohio 45036 (US)
  • PARENTEAU, Daniel
    Quebec (US)

(74) Representative: Hafner & Kohl PartmbB 
Schleiermacherstraße 25
90491 Nürnberg
90491 Nürnberg (DE)

   


(54) BEDPLATES HAVING GRADUATED OPENINGS FOR PULP PROCESSING UNITS