(19)
(11) EP 0 848 093 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
31.03.1999 Bulletin 1999/13

(43) Date of publication A2:
17.06.1998 Bulletin 1998/25

(21) Application number: 97121097.6

(22) Date of filing: 01.12.1997
(51) International Patent Classification (IPC)6: D01H 13/10
(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: 16.12.1996 JP 335868/96

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

(72) Inventors:
  • Uehare, Masao
    Minami-ku, Kyoto-shi, Kyoto (JP)
  • Kimura, Tatsuo
    Nara-shi, Nara (JP)

(74) Representative: Patentanwälte Rüger, Barthelt & Abel 
Webergasse 3
73728 Esslingen
73728 Esslingen (DE)

   


(54) Twisting tenser


(57) To enable composite yarn, including thick elastic yarn, to be twisted.
The present invention provides a twisting tenser 10 of composite yarn Y, including elastic yarn y2, wherein the upper end 23 of a guide pipe 19 that engages the composite yarn Y has a rough surface 24. The rough surface 24 has a surface roughness of 4 µm to 15 µm Rmax, and is finished by blasting or formed by biscuit-firing.






Search report