(19)
(11) EP 0 067 653 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
09.11.1983 Bulletin 1983/45

(43) Date of publication A2:
22.12.1982 Bulletin 1982/51

(21) Application number: 82302955

(22) Date of filing: 08.06.1982
(84) Designated Contracting States:
DE FR GB

(30) Priority: 13.06.1981 JP 9129681
13.06.1981 JP 9129781

(71) Applicant: KONISHIROKU PHOTO INDUSTRY CO. LTD.
 ()

(72) Inventors:
  • Kimura, Yoshiaki
     ()
  • Kodama, Tetsuji
     ()

   


(54) Printing head for ink jet printer


(57) A printing head for an ink jet printer comprising a first plate 11 having a cavity 11a a formed by etching and whose wall serves as the flexible wall deforming in response to an external signal, and a second plate 12 disposed opposite the first plate 1 so as to make the cavity to form a projection chamber 13. Projection chambers each having flexible walls deforming in response to an external signal may be disposed on both sides of a second plate.






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