Multi-decade viscometric or rheologic measurements of a material undergoing state change
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United States of America Patent
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Apr 24, 2007
Grant Date -
Apr 13, 2006
app pub date -
Oct 8, 2004
filing date -
Oct 8, 2004
priority date (Note) -
Expired
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Abstract
Range-extending method and apparatus for testing the viscosity of a fluid (10) undergoing a state change utilizing a viscometer (2) with a rotary assembly (42) for measuring, by automatically changing the rotational speed of the rotary assembly in response to measuring a torque or other test parameter when it meets a target torque trigger and/or other test parameter threshold.
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