| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a screen plate of a rotor for cutting wastepaper, which functions as a fixed blade and the running cost of which can be remarkably reduced. <P>SOLUTION: In the screen plate 50, when the eye hole peripheral edges B positioned on the upper surface of a screen plate portion 52 are worn and deformed due to its sliding contact with cutter blades 60, 61, 62, the upper and lower surfaces of the screen plate portion can be so replaced that the eye hole peripheral edges positioned on the lower surface are brought into sliding contact with the cutter blades 60, 61, 62. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
