Fiber length analyzer
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United States of America Patent
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-
Mar 8, 1994
Grant Date -
N/A
app pub date -
Dec 31, 1991
filing date -
Dec 31, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A measuring cell (22) in a fiber sample analysis system (10) contains housing member (76) which removably supports a transparent flow tube (82) and an optical device (26) which projects a beam (124) across the tube for detecting and measuring individual fibers in a dilute sample fluid which flows through the tube at a constant velocity. The tube includes a gradually narrowing transition portion (86) leading to a measurement portion (88) situated at the optical device and having a flow diameter in the range of about 1.0 to 3.0 mm.
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