(19)
(11) EP 0 334 604 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
14.03.1990 Bulletin 1990/11

(43) Date of publication A2:
27.09.1989 Bulletin 1989/39

(21) Application number: 89302795.3

(22) Date of filing: 21.03.1989
(51) International Patent Classification (IPC)4: D01D 5/088
(84) Designated Contracting States:
AT BE CH DE ES FR GB GR IT LI LU NL SE

(30) Priority: 24.03.1988 JP 70915/88

(71) Applicant: MITSUI PETROCHEMICAL INDUSTRIES, LTD.
Tokyo 100 (JP)

(72) Inventors:
  • Katou, Eiji
    Waki-cho Kuga-gun Yamaguchi (JP)
  • Katou, Akifumi
    Waki-cho Kuga-gun Yamaguchi (JP)
  • Yoshimura, Yoshihiro
    Waki-cho Kuga-gun Yamaguchi (JP)

(74) Representative: Senior, Alan Murray et al
J.A. KEMP & CO., 14 South Square, Gray's Inn
London WC1R 5LX
London WC1R 5LX (GB)


(56) References cited: : 
   
       


    (54) Method and apparatus for cooling molten filaments in spinning apparatus


    (57) A method for cooling molten filaments in a spinning apparatus where, a plurality of molten filaments (2) extruded from a die (1) are cooled by cooling air blown out from a cooling apparatus (3) and are taken up with a draft, wherein the temperature and/or volume of the cooling air blown from the cooling apparatus is controlled so that the cooling is performed stronger, in stages or continuously, from upstream to downstream.







    Search report