Manufacture of solvent-spun cellulose fibre and quality control means therefor
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United States of America Patent
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Dec 10, 1996
Issued Date -
N/A
app pub date -
Apr 25, 1995
filing date -
May 24, 1993
priority date (Note) -
Expired
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Abstract
In a system for the production of solvent-spun cellulose tow, trash and other undesirable material is detected by a device which projects a light beam across the tow and a receiver for the beam which initiates a signal if the beam is obscured beyond a predetermined amount.
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