B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
B02C 7/12 (2006.01) D21B 1/14 (2006.01) D21D 1/30 (2006.01)
Patent
CA 2302649
A refining disc for disc refiners of the kind that includes ribs or ridges (3, 4) which extend over the treatment zones of the discs. The ribs or ridges (3, 4) have the shape of involute arcs with circular evolutes and are of uniform width over respective refining zones (5, 6) on the refining disc.
L'invention a trait à un disque d'affinage pour raffineurs à disque du type comportant des côtes ou crêtes (3, 4) situées sur les régions de traitement des disques. La largeur de ces côtes ou crêtes (3, 4), qui se présentent sous l'aspect de développantes d'arc à évolute circulaire, est la même dans les diverses régions de raffinage (5, 6) du disque d'affinage.
Fetherstonhaugh & Co.
Valmet Fibertech Ab
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