Sorting apparatus for fiber stock, especially for manufacturing paper
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United States of America Patent
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Jul 22, 1986
Grant Date -
N/A
app pub date -
Jun 8, 1984
filing date -
Jun 14, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The sorting apparatus contains a screen forming at least part of a circular-cylindrical surface and a rotor having a rotor shaft which is coaxially located at the lengthwise axis defined by the circular-cylindrical surface. The rotor possesses clearing blades and propelling blades arranged to follow or trail the clearing blades as seen in the rotary direction of the rotor. The clearing blades each comprise a front-positioned clearing edge which moves along the screen and a run-up surface which is inclined relative to a radial direction defined by the rotor. The run-up surface moves the fiber stock in a direction towards the rotor shaft and provides an open through-passage in the central region of the rotor. The propelling blades extend from the rotor shaft towards the screen and terminate at a distance from the surface defined by the screen.
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