Refiner for refining a fiber suspension
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United States of America Patent
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Jul 23, 2002
Grant Date -
N/A
app pub date -
Jun 14, 2000
filing date -
Jun 14, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A refiner for refining a fiber suspension includes a first disk which is rotatable or stationary, and a second disk which is rotatable. A first tackle is coupled with a first disk or the second disk. A second tackle is coupled with the other of the first disk or second disk. The second tackle includes a plurality of generally annular rows of teeth with a radially inner row and a radially outer row. Adjacent teeth within a same row are separated by a groove therebetween. Adjacent rows are concentrically spaced by a generally annular gap therebetween. The concentrically spaced rows are divided into a plurality of adjacent sectors, with each sector having opposing side edges extending through and between the radially inner row and the radially outer row to define a substantially unimpeded flow-through channel for the fiber suspension.
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