B - Operations – Transporting – 07 – B
Patent
B - Operations, Transporting
07
B
209/104
B07B 1/00 (2006.01) D21D 5/02 (2006.01) D21D 5/04 (2006.01)
Patent
CA 1243986
APPLICANT: N. A. LENNART WIKDAHL TITLE: APPARATUS FOR FRACTIONATING FIBER SUSPENSIONS ABSTRACT OF THE DISCLOSURE An apparatus for fractionating fiber suspensions in- cludes a chamber converging towards its periphery and formed by two annular fiber fractionating means, preferably imple- mented as truncated cones, a collection trough arranged con- centric 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.
463583
Ridout & Maybee Llp
Wikdahl N.a. Lennart
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