Multi-shaft extruder kneading discs, kneading disc blocks and extruder
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United States of America Patent
Stats
-
Jan 9, 2001
Grant Date -
N/A
app pub date -
Apr 21, 1999
filing date -
Feb 8, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
There is provided a multi-shaft kneading disc, kneading disc block, and a multi-shaft extruder containing the same. The kneading disc and each kneading disc in the kneading disc block having a disc shape with a central section defining an extruder shaft mounting bore and at least one lobe extending radially from said central section and having a crest end. The at least one lobe has a radius X which defines an outer diameter of the kneading disc. The central section has a radius Y which defines an inner diameter of the kneading disc. At least one other lobe extends radially from the central section and has a radius Z. The radius Z defines the outer diameter of at least one other lobe. The radius Z of the other lobe is equal to Y+7/8(X-Y) to Y+1/4(X-Y).
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Cited Art Landscape
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