| 摘要 |
<p>A crushing mechanism (57) contains a number of pairs (78) of co-acting rollers (58), each having a plurality of teeth (83) extending round the circumference (82) of a hub (81), each tooth being, at least at its outermost position, in the form of a plate having a face (84) at an angle to a radius (88) of the hub (81). The rollers (78) are mounted in open cage arrangement on brackets (79), such that a material pathway (77) therethrough is at an angle, preferably 45°, to the horizontal.</p> |
