| 摘要 |
<p>Grinding, dispersion or air-removing device, intended esp. for pigments, comprises a fixed, revolving roll and a bar vibrating into and out of contact with the roll. Pref. there are two rolls revolving in opposite directions, each with a vibrating bar. Power consumption is considerably reduced by comparison with previous roller devices where the rolls revolved at different speeds. In addition, a lower grinding temp. is used.</p> |
