B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
B02C 7/12 (2006.01) D21B 1/14 (2006.01)
Patent
CA 2524301
Refining element intended for refiners of disc-type for working fibrous material, where the refining element (10) is formed with a pattern of bars (11) with upper surfaces (13) and side surfaces (14) and intermediate grooves (12). A plurality of recesses (18) are arranged one after the other in longitudinal edges (15) of the bars (11), which recesses are open both to the upper surface (13) and one side surface (14) of the bars.
L'invention concerne un élément d'affinage utilisé dans des dispositifs d'affinage en forme de disque servant à travailler des matériaux fibreux, ledit élément (10) d'affinage étant formé d'un ensemble de barres (11) avec des surfaces supérieures (13), des surfaces latérales (14), et des rainures intermédiaires (12). Une pluralité de cavités (18) sont situées les unes derrières les autres sur les bords longitudinaux (15) des barres (11), lesdites cavités étant ouvertes sur la surface supérieure (13) et sur une surface latérale (14) des barres.
Fetherstonhaugh & Co.
Metso Paper Inc.
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