EP0138792A2 — Apparatus for fractionating fiber suspensions
Assigned to Individual · Expires 1985-04-24 · 41y expired
What this patent protects
@ The invention relates to an apparatus for fractionating fiber suspensions, said apparatus including a chamber (22) converging towards its periphery and formed by two annular fiber fractionating means (1, 2), preferably implemented as truncated cones, a collection trough (4) arr…
USPTO Abstract
@ The invention relates to an apparatus for fractionating fiber suspensions, said apparatus including a chamber (22) converging towards its periphery and formed by two annular fiber fractionating means (1, 2), preferably implemented as truncated cones, a collection trough (4) arranged concentric to and at the periphery of the chamber (22) for fibers retained by the fiber fractionating means (1, 2), and agitating means (20) departing from a centrally arranged shaft (19) and rotatable therewith, the means (20) having vanes (35) contiguous to the fiber fractionating means (1, 2), the vanes (35) having an engagement area coacting with the fiber fractionating means.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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