(19)
(11) EP 0 369 460 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
05.09.1990 Bulletin 1990/36

(43) Date of publication A2:
23.05.1990 Bulletin 1990/21

(21) Application number: 89121297.9

(22) Date of filing: 17.11.1989
(51) International Patent Classification (IPC)5: D01D 4/02
(84) Designated Contracting States:
DE FR GB IT LU NL

(30) Priority: 18.11.1988 US 273069

(71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
Wilmington Delaware 19898 (US)

(72) Inventor:
  • Kobsa, Henry
    Greenville Delaware 19807 (US)

(74) Representative: Abitz, Walter, Dr.-Ing. et al
Patentanwälte Abitz & Partner Postfach 86 01 09
81628 München
81628 München (DE)


(56) References cited: : 
   
       


    (54) Spinneret


    (57) A spinneret made from a hardened metal plate having a plurality of slot shaped capillaries exiting the face of the spinneret. The walls of the capillaries taper toward the face of the spinneret, and each capillary has a length to width ratio of greater than about 2.







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