Mahlgarnitursegment für einen Refiner

Details

Veröffentlichungs-Nr.

EP3919675

Aktenzeichen

EP20178487

Anmeldetag

5. Juni 2020

Veröffentlichung

8. Dezember 2021

Rechtsraum

EP

IPC

D21D1/24D21D1/26D21D1/30

Abstract

A blade segment (4, 8) for a refiner (1) for refining fibrous material. The blade segment (4, 8) comprises a first (20) and a second (21) end edge opposite to the first end edge in a direction of a longitudinal axis(LA) of the blade segment (4, 4a, 4b, 8, 8a, 8b), a first (22) and a second (23) side edge opposite to the first side edge, the first side edge and the second side edge extending between the first end edge and the second end edge, and a refining surface (5, 9) comprising blade bars (26) and blade grooves (27) therebetween on a front surface (25) of the blade segment (4, 8). Atleast one side edge (22, 23) comprises at least two edge portions (31, 33, 35, 41, 43, 45) arranged to deviate from the direction of the longitudinal axis (LA) of the blade segment (4, 4a, 4b, 8, 8a, 8b) and being connected by an elbow (32, 34, 42, 44) between each two edge portions (31, 33, 35, 41, 43, 45).

Anmelder

Firma

Valmet Technologies Oy

Land

🇫🇮 Finnland

Fachgebiete