Grinding equipment for a Jordan refiner
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United States of America Patent
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-
Oct 11, 1994
Grant Date -
N/A
app pub date -
Mar 18, 1991
filing date -
May 19, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Grinding equipment for a Jordan refiner for grinding paper pulp having a rotating part in form of a truncated cone and a stationary part in the form of a hollow truncated cone, on which bar-shaped knives are arranged at predetermined angles with respect to the conical shell generating lines. To improve the grinding equipment of the refiner, a pre-grinding zone is arranged upstream of one or more fine grinding zones whose configuration and arrangement are adapted to the state and desired development of the fibers in the grinding stock flowing through the grinding equipment.
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