(19)
(11) EP 0 936 073 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
27.10.1999 Bulletin 1999/43

(43) Date of publication A2:
18.08.1999 Bulletin 1999/33

(21) Application number: 99110235.1

(22) Date of filing: 15.09.1995
(51) International Patent Classification (IPC)6: B41J 2/175
(84) Designated Contracting States:
CH DE FR GB IT LI SE

(30) Priority: 16.09.1994 JP 24851894
11.09.1995 JP 25810295

(62) Application number of the earlier application in accordance with Art. 76 EPC:
95114563.0 / 0703083

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

(72) Inventors:
  • Kobayashi, Takao
    Suwa-shi, Nagano (JP)
  • Shinada, Satoshi
    Suwa-shi, Nagano (JP)
  • Usui, Kiyofumi
    Suwa-shi, Nagano (JP)
  • Hiraide, Shoichi
    Suwa-shi, Nagano (JP)
  • Koshino, Kazuo
    Suwa-shi, Nagano (JP)
  • Miyazawa, Hisashi
    Suwa-shi, Nagano (JP)
  • Mochizuki, Seiji
    Suwa-shi, Nagano (JP)

(74) Representative: Diehl, Hermann, Dr. Dipl.-Phys. et al
DIEHL, GLÄSER, HILTL & PARTNER Patentanwälte Augustenstrasse 46
80333 München
80333 München (DE)

 
Remarks:
This application was filed on 26 - 05 - 1999 as a divisional application to the application mentioned under INID code 62.
 


(54) Method of charging ink into an ink cartridge


(57) A method of charging ink into an ink cartridge is described, in which the ink cartridge includes: a foam chamber; an ink supply port formed in a wall of said ink cartridge; and a porous body for absorbing ink being accommodated within said foam chamber and positioned to engage said ink supply port for delivery of ink thereto to define a space in said foam chamber between said porous body and the wall bearing a through hole. The ink cartridge has at least two insertion through holes in a wall thereof, said wall defining at least one of said walls of said foam chamber.
The method comprises the steps of: inserting an exhausting hollow needle to be connected to an exhauster through a first of said through holes into the space in said foam chamber; inserting an ink injecting hollow needle through a second of said plurality of through holes into said porous member; exhausting the interior of said cartridge; injecting ink through said ink injecting hollow needle after the exhausting operation has been completed; removing said hollow needles; and sealing said cartridge.






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