KNEADING ROTOR AND BATCH-TYPE KNEADING MACHINE
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United States of America Patent
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Issued Date -
May 27, 2021
app pub date -
Mar 18, 2019
filing date -
Apr 9, 2018
priority date (Note) -
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Abstract
In kneading rotors, a twist angle of long wing constituting kneading wings is between 38 degrees and 53 degrees inclusive. The long wing includes, between the long wings and an inner surface of a casing, wing tops configured to form, along a wing longitudinal direction, a first tip clearance, and a second tip clearance narrower than the first tip clearance in width. A central angle of the long wing forming the second tip clearance is between 5 degrees and 10 degrees inclusive.
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