Controlled opening of fibrous materials
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United States of America Patent
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-
Jan 14, 1992
Grant Date -
N/A
app pub date -
Jul 24, 1990
filing date -
Jul 27, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Fibrous materials are opened from a metered flow thereof using an opening roller and are subjected to a controlled and adjustable further opening operation to input desirable properties to the fibers. The invention is particularly described with respect to cut tobacco fibers and glass fibers.
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