Kneader and rheometric analysis method in a kneader
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United States of America Patent
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Oct 12, 1999
Grant Date -
N/A
app pub date -
Oct 17, 1997
filing date -
Oct 28, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A kneader for viscoelastic materials has a kneading chamber constructed in a casing and which contains at least two rotated rotors with which the materials can be kneaded to a viscoelastic mass. In order to be able to determine in a sufficiently precise manner the elastic and viscous parameters of the mass to be kneaded during the kneading process and follow it over time, a test chamber is provided, to which can be supplied from the kneading chamber a test fraction of the mass and use is made of a preferably dynamically measuring rheometer for determining the elastic or viscous parameters of the test fraction of the mass in the test chamber. The inner wall of the kneading chamber is formed sectionwise by an adjustable wall part and the test chamber can be formed by retracting said wall part.
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