(19)
(11) EP 0 404 064 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.08.1991 Bulletin 1991/32

(43) Date of publication A2:
27.12.1990 Bulletin 1990/52

(21) Application number: 90111567.5

(22) Date of filing: 19.06.1990
(51) International Patent Classification (IPC)5: B41J 31/02
(84) Designated Contracting States:
DE FR GB

(30) Priority: 19.06.1989 JP 154476/89

(71) Applicant: Oki Electric Industry Company, Limited
Tokyo 105 (JP)

(72) Inventors:
  • Andou, Hirokazu, Oki Electric Industry Co. Ltd.
    Tokyo (JP)
  • Kamimura, Katsuya, Oki Electric Industry Co. Ltd.
    Tokyo (JP)
  • Hashimoto, Iwao, Oki Electric Industry Co. Ltd.
    Tokyo (JP)
  • Ikeda, Kiyoshi, Oki Electric Industry Co. Ltd.
    Tokyo (JP)

(74) Representative: Betten & Resch 
Reichenbachstrasse 19
80469 München
80469 München (DE)


(56) References cited: : 
   
       


    (54) Ink ribbon


    (57) In an ink ribbon (1) impregnated with ink for printing on a print medium (2) on a platen (4) by driving print wires (3) so as to strike the platen (4), the fabric of the ink ribbon (1) is formed by interweaving vertical and horizontal strands, and the ratio of densities of said vertical and horizontal strands lies in the range 0.70 - 1.43.






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