Refiner and tooling for refining suspended fibrous material
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United States of America Patent
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Jul 14, 1998
Grant Date -
N/A
app pub date -
Feb 29, 1996
filing date -
Mar 8, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention is directed to a refiner and refiner tooling for economical refining of suspended fibrous material where the radial expanse of the working surfaces (7, 8) deviates from known designs in the following manner: the elevations (10, 11) forming the working surfaces, notably cutters, are several times interrupted, thereby forming grooves (16). It is possible to arrange the shorter cutters (10, 11) on the stator (3) side, on the rotor (2) side, or on both sides. These measures result in a particularly economical and uniform refining.
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