Multi-screw, continuous mixing and kneading machine with polygonal kneading elements for plasticizable compounds
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United States of America Patent
Stats
-
Dec 7, 1993
Grant Date -
N/A
app pub date -
Mar 23, 1992
filing date -
Jan 31, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Multi-screw, continuous mixing and kneading machine for plasticizable compounds with screws, which rotate in a housing and which penetrate the cylindrical housing section, enclosing the screw concerned, and exhibit feed and discharge zones and intermediate melting, mixing and kneading zones, where the feed and discharge zones are formed by intermeshing screws that rotate in the same direction, and kneading elements are disposed in the melting, mixing and kneading zones. The kneading elements comprise axially extended polygons, whose surfaces are approximately flat and whose edges travel by one another with small clearance relative to the envelopes of the respective other polygon so as not to intermesh while rotating, where the edges of the housing section enveloping them maintain a distance that is significantly greater than the clearance.
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