REFINER PLATE HAVING GROOVES IMPARTING ROTATIONAL FLOW TO FEED MATERIAL
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United States of America Patent
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Issued Date -
Jun 17, 2021
app pub date -
Oct 27, 2020
filing date -
Dec 13, 2019
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Abstract
A refiner disc including: a refining zone on a front face of the disc; refining bars in the refining zone; and grooves between the bars, wherein each of the grooves include a rotational inducement element arranged on at least one sidewall of the groove and the rotational inducement element is configured to impart at helical flow of feed material flowing through the groove.
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