Refiner segment
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United States of America Patent
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-
Sep 4, 1990
Grant Date -
N/A
app pub date -
Jun 27, 1989
filing date -
Feb 25, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A refiner segment (1) for disc refiners is formed with a pattern of bars (2,4) and grooves (3,5), and flow restrictions (6) are located in the grooves (5). Through apertures (8) in the bars (4), the grooves (5) communicate with each other so that the grooves have free communication outward and inward via the apertures (8).
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