(19)
(11) EP 0 417 014 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
23.10.1991 Bulletin 1991/43

(43) Date of publication A2:
13.03.1991 Bulletin 1991/11

(21) Application number: 90402483.3

(22) Date of filing: 10.09.1990
(51) International Patent Classification (IPC)5B41M 1/12
(84) Designated Contracting States:
DE FR

(30) Priority: 08.09.1989 JP 231671/89

(71) Applicant: Riso Kagaku Corporation
Tokyo 105 (JP)

(72) Inventor:
  • Uchiyama, Koichi
    Ushiku-shi, Ibaragi (JP)

(74) Representative: Le Brusque, Maurice et al
Cabinet Harlé et Phélip 21, rue de la Rochefoucauld
F-75009 Paris
F-75009 Paris (FR)


(56) References cited: : 
   
       


    (54) Picture forming apparatus


    (57) A picture forming apparatus comprises a porous member which has a multiplicity of pores and is im­pregnated with ink, and ink blocking means for block­ing flow of the ink according to the picture pattern of the original.





    Search report