Patent ID: 6539586
Filing Date: 2003-04-01
Classification: D01G

Abstract:
A fiber processing machine comprising(a) a first roll having a circumferential surface carrying a first clothing; (b) a second roll having a circumferential surface carrying a second clothing and adjoining said first roll for taking over fiber material carried by said first roll as said first and second rolls rotate; (c) a nip defined between said first and second clothings at a location where said first and second clothings are closest to one another; (d) a bight defined by a generally triangular area immediately adjoining said nip and bounded by an end of said nip and by circumferential length portions of said first and second clothings extending away from said nip from said end thereof; (e) a cutting edge positioned in said bight and cooperating with one of said first and second rolls for separating impurities from the fiber material as the fiber material is carried past said cutting edge by the clothing of said one roll; (f) means for driving said first and second rolls in opposite directions; and (g) a component terminus defining with said cutting edge a clearance constituting a waste removal opening through which impurities separated from the material pass.