Apparatus for reducing the oversized fraction of chips
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United States of America Patent
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Jun 25, 2002
Grant Date -
N/A
app pub date -
May 26, 2000
filing date -
May 28, 1999
priority date (Note) -
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Abstract
An apparatus for reducing the oversized fraction of chips, especially the overthick fraction, which apparatus comprises a rotatingly fitted disc-like rotor part (1) to which is attached a number of chipping blades (2), and a fixed stator part (3) surrounding the rotor part (1), to which stator part is attached a number of counter blades (4), the blades (2) and counter blades (4) being arranged in chipping chambers (5), through which the chips to be reduced are arranged to travel outward with respect to the rotating shaft (6) of the rotor part (1). The counter blades (4) are fitted in a position substantially deviating from the radial direction of the rotating shaft (6), when viewed on the vertical plane with respect to the rotating shaft (6) of the rotor part (1). The chipping chamber (5) is formed by the space between two counter blades (4), the bottom surface (10) of which space is formed by the top surface of the rotor part (1), and the roof surface (11) by the bottom surface of the stator part (3) and counter blade (4) opposite to the top surface of the rotor part (1), whereby, when viewed in the direction of rotation (12) of the rotor part (1), the said roof surface (11) is arranged to converge towards the said bottom surface (10).
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