(19)
(11) EP 1 241 012 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
02.01.2003 Bulletin 2003/01

(43) Date of publication A2:
18.09.2002 Bulletin 2002/38

(21) Application number: 02076904.8

(22) Date of filing: 07.08.1992
(51) International Patent Classification (IPC)7: B41J 2/175
(84) Designated Contracting States:
CH DE FR GB IT LI NL SE

(30) Priority: 28.01.1992 JP 1283492
19.02.1992 JP 3222692
16.03.1992 JP 5815192
26.06.1992 JP 19340292

(62) Application number of the earlier application in accordance with Art. 76 EPC:
00200827.4 / 1013444
97200694.4 / 0786352

(71) Applicant: SEIKO EPSON CORPORATION
Shinjuku-ku, Tokyo (JP)

(72) Inventors:
  • Mochizuki, Seiji, c/o Seiko Epson Corporation
    Suwa-shi, Nagano-ken (JP)
  • Kawakami, Kasuhisa, c/o Seiko Epson Corporation
    Suwa-shi, Nagano-ken (JP)
  • Nakamura, Masahiro, c/o Seiko Epson Corporation
    Suwa-shi, Nagano-ken (JP)
  • Ohshima, Keiichi, c/o Seiko Epson Corporation
    Suwa-shi, Nagano-ken (JP)
  • Yoshida, Masanori c/o Seiko Epson Corporation
    Suwa-shi, Nagano-ken (JP)

(74) Representative: Sturt, Clifford Mark et al
Miller Sturt Kenyon 9 John Street
London WC1N 2ES
London WC1N 2ES (GB)

   


(54) Ink tank cartridge and container therefor


(57) An ink tank cartridge for an ink-jet type recording apparatus, the cartridge being removably mounted onto an ink supply needle (14, 90) having through holes (36, 94) of the recording apparatus, the cartridge comprising: a housing (11, 50); a porous member (21, 64) accommodated in said housing for being impregnated with an ink; an ink supply port (15, 53, 71) formed in a bottom surface of said housing, said ink supply port having an upper opening (16, 54) facing said porous member and a lower opening directing away from the bottom of said housing; characterised by: packing means (19, 57, 73) provided within said ink supply port, said packing means being arranged to abut resiliently against an outer periphery of said ink supply needle; and sealing means (20, 60, 77) comprising a thin film bonded to the lower opening of the ink supply port for sealing the opening and for being penetrated by said ink supply needle.









Search report