(19)
(11) EP 2 966 203 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
17.02.2016 Bulletin 2016/07

(43) Date of publication A2:
13.01.2016 Bulletin 2016/02

(21) Application number: 15154879.9

(22) Date of filing: 12.02.2015
(51) International Patent Classification (IPC): 
D01H 13/16(2006.01)
D02G 3/36(2006.01)
D01H 13/22(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 13.06.2014 JP 2014122176

(71) Applicant: Murata Machinery, Ltd.
Kyoto-shi, Kyoto 601-8326 (JP)

(72) Inventors:
  • Akimoto, Masahiro
    Kyoto, Kyoto 612-8686 (JP)
  • Sawada, Harutoshi
    Kyoto, Kyoto 612-8686 (JP)

(74) Representative: Weickmann & Weickmann 
Maximilianstrasse 4b
82319 Starnberg
82319 Starnberg (DE)

   


(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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