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(11) | EP 2 966 203 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Spinning machine, spinning method, and spun yarn |
| (57) A spinning machine (1) includes a core yarn supplying device (40) adapted to supply
a core yarn (C); a draft device (6) adapted to supply a fiber bundle (F) ; a pneumatic
spinning device (7) adapted to produce a spun yarn (Y) by applying twists to the fiber
bundle (F) with the core yarn (C) as a core; a tension sensor (9) adapted to detect
tension applied to the spun yarn (Y) produced by the pneumatic spinning device (7);
and a monitoring section (71) adapted to monitor a yarn quality of the spun yarn (Y)
in accordance with a quality monitor reference range for monitoring the yarn quality
of the spun yarn (Y) and a detection result of the tension sensor (9).
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