| 摘要 |
The invention refers to a grinding plate for a laboratory mill, with a circular shape and with a number of elongated coarsely-grinding and output teeth (6a) distributed over its surface and extending inward toward the centre part of the plate (5a) from a place at a distance from the periphery of the plate, at which according to the invention, the fine-grinding teeth (9a) are extended from the plate's outer periphery and mainly in at an equal height with the outer ends of the coarse-grinding and output teeth (6a) and the fine-grinding teeth (9a) with respect to their width, height and length is considerably less than the coarse-grinding and output teeth (6a).<IMAGE> |
