Double-cylinder opener and relative process for opening and cleaning staple fiber by progressive action
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United States of America Patent
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Dec 8, 1998
Grant Date -
N/A
app pub date -
Jul 9, 1997
filing date -
Jul 11, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A double-cylinder opener for staple fiber being pneumatically transported in an air stream, the two cylinders being parallel and mutually offset, the fibers passing firstly about the first cylinder and then about the second cylinder with spiral motion, the two cylinders forming two beaters of different action, which rotate at different velocities and are provided with different spike population densities.
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