(19)
(11) EP 0 863 234 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
09.08.2000 Bulletin 2000/32

(43) Date of publication A2:
09.09.1998 Bulletin 1998/37

(21) Application number: 97122447.2

(22) Date of filing: 18.12.1997
(51) International Patent Classification (IPC)7: D01H 7/88
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 24.02.1997 JP 3896297
25.02.1997 JP 4071997

(71) Applicant: Murata Kikai Kabushiki Kaisha
Minami-ku, Kyoto-shi, Kyoto 601 (JP)

(72) Inventor:
  • Nagao, Isao
    Omihachiman-shi, Shiga (JP)

(74) Representative: Liedl, Christine, Dipl.-Chem. et al
Albert-Rosshaupter-Strasse 65
81369 München
81369 München (DE)

   


(54) Four-for-one twister


(57) A four-for-one twister that enables yarn to pass through easily and quickly, increasing operating efficiency.
In four-for-one twister 21 which twists yarn by means of upper disk 23 in which yarn guide hole 47a is formed and lower disk 24 in which yarn guide hole 47b is formed rotating in the same plane in mutually opposed directions, air for passing the yarn is flowed through both yarn guide holes 47a and 47b in a forwardly moving direction. Yarn guide holes 47a and 47b are formed so as to be connected. Ejection nozzle 48 which injects air to pass the yarn opens into yarn guide hole 47 in a suitable place. Inner guiding member 39 which revolves around the outside of supply package P on upper disk 23 is provided, and yarn guide pipe 53 is provided in inner guiding member 39 connected to yarn guide hole 47a on upper disk 23.






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