| 摘要 |
<p>APPLICANT: N. A. LENNART WIKDAHL TITLE: APPARATUS FOR FRACTIONATING FIBER SUSPENSIONS An apparatus for fractionating fiber suspensions includes a chamber converging towards its periphery and formed by two annular fiber fractionating means, preferably implemented as truncated cones, a collection trough arranged concentric to and at the periphery of the chamber for fibers retained by the fiber fractionating means, and agitating means departing from a centrally arranged shaft and rotatable therewith, the means having vanes contiguous to the fiber fractionating means, the vanes having an engagement area coacting with the fiber fractionating means.</p> |
