Rotor cup for open-end spinning and method of making same
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United States of America Patent
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Dec 28, 1999
Grant Date -
N/A
app pub date -
Jul 15, 1998
filing date -
Aug 8, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In the case of a rotor cup for open-end spinning aggregates, a smooth fiber sliding surface and a rough-surfaced fiber collecting groove are provided. By means of two separate plating processes, the fiber collecting groove is provided with a nickel-diamond plating and the fiber sliding surface is provided with a purely nickel plating.
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