| 摘要 |
The invention relates to a dispersion disc (1) for the hot refining of a fibrous material such as especially paper pulp, said disc comprising, on one of the faces (2) thereof, a plurality of teeth (3) arranged in a series of concentric circles, each of the teeth (3) substantially having a triangular prism shape and comprising, in the direction of rotation (R0) of the dispersion disc (1), a front face (6), a rear face (9) and two side faces (7, 8), characterised in that at least one of the angles of attack (11, 12) formed between the front face (6) and each of the side faces (7, 8) of said tooth (3) comprises a bevel (13, 14) extending over at least part of the height thereof. |
