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    2.
    发明专利
    未知

    公开(公告)号：DE3625026A1

    公开(公告)日：1987-02-05

    申请号：DE3625026

    申请日：1986-07-24

    Applicant: CANON KK

    Inventor： ICHIHASHI HIROO ,  OZAWA MASAKAZU ,  EBINUMA RYUICHI ,  SAITO ATSUSHI

    IPC: B41J2/165 ,  B41J29/02 ,  B41J3/04

    Abstract: A capping device for an ink jet recorder is provided with a support frame of substantially L-shaped cross-section contained in a frame and supporting an ink absorbing member inside thereof, and a throttle plate in contact with the underside of the absorbing member and disposed substantially parallel to the support frame, the capping device being so disposed that the rear end edge of the throttle plate opposite to a recording head is situated vertically below the side edge surface of the recording head. The specification also discloses an ink jet recording apparatus having such capping device. (FIGS. 1 and 6-8). A flow path for directing liquid squeezed from the absorbing member has upper and lower stages, the upper stage having a sufficiently large diameter that a liquid meniscus does not form and the lower stage having a small diameter that permits a meniscus to form. (FIGS. 9 and 10).

    3.
    发明专利
    未知

    公开(公告)号：DE3222680A1

    公开(公告)日：1983-01-05

    申请号：DE3222680

    申请日：1982-06-16

    Applicant: CANON KK

    Inventor： SUGITANI HIROSHI ,  OZAWA MASAKAZU ,  MATSUDA HIROTO ,  IKEDA MASAMI ,  MATSUMOTO HARUYUKI

    IPC: B41J2/16 ,  B41J3/04

    Abstract: A method of making an ink jet head with an orifice plate having an orifice extending therethrough for ink ejection involves the steps of adhering a photosensitive plate to the ink jet head to cover the outlet of a liquid passageway in the head, aligning a pattern mask with the ink passageway, exposing the photosensitive plate in-situ to radiation through the pattern mask, and removing portions of the photosensitive plate in accordance with the radiation pattern to form in the photosensitive plate an orifice aligned with the outlet.

    5.
    发明专利
    未知

    公开(公告)号：DE3222680C2

    公开(公告)日：1993-11-18

    申请号：DE3222680

    申请日：1982-06-16

    Applicant: CANON KK

    Inventor： SUGITANI HIROSHI ,  OZAWA MASAKAZU ,  MATSUDA HIROTO ,  IKEDA MASAMI ,  MATSUMOTO HARUYUKI

    IPC: B41J2/16

    Abstract: A method of making an ink jet head with an orifice plate having an orifice extending therethrough for ink ejection involves the steps of adhering a photosensitive plate to the ink jet head to cover the outlet of a liquid passageway in the head, aligning a pattern mask with the ink passageway, exposing the photosensitive plate in-situ to radiation through the pattern mask, and removing portions of the photosensitive plate in accordance with the radiation pattern to form in the photosensitive plate an orifice aligned with the outlet.

    6.
    发明专利
    未知

    公开(公告)号：FR2585289A1

    公开(公告)日：1987-01-30

    申请号：FR8610685

    申请日：1986-07-23

    Applicant: CANON KK

    Inventor： ICHIHASHI HIROO ,  OZAWA MASAKAZU ,  EBINUMA RYUICHI ,  SAITO ATSUSHI

    IPC: B41J2/165 ,  B41J2/175 ,  B41J3/04 ,  B41J29/00

    Abstract: An ink jet recording apparatus has a recording head for discharging ink and effecting recording, a recording flow path communicating the recording head with one end of a first ink tank, a pump side flow path communicating the first ink tank with the recording head through a pump and, together with the recording flow path, constituting an ink circulation path through the head and the first ink tank, and a secnd ink tank for supplying ink to the first ink tank. Normally open electrical opening-closing means (FIG. 11) are provided in the recording flow path and in a tube for opening the first ink tank to atmosphere. Another normally open electrical opening-closing means and a check valve permitting the passage of ink from the pump only to the recording head, this latter opening-closing means and the check valve being interposed in series in the pump side flow path between the pump and the recording head. The apparatus also may include an overflow sensor (FIGS. 9 and 10) for detecting the amount of ink that has overflowed from the first ink tank and a water hammer damper (FIG. 14) that absorbs fluid shocks in the pump side flow path. The second ink tank may have excised portions (FIGS. 15, 16 and 18) to ensure that color ink tanks are properly mounted to the apparatus.

    INK JET HEAD
    7.
    发明专利
    INK JET HEAD 未知

    公开(公告)号：GB2113148B

    公开(公告)日：1985-06-26

    申请号：GB8217573

    申请日：1982-06-17

    Applicant: CANON KK

    Inventor： SUGITANI HIROSHI ,  OZAWA MASAKAZU ,  MATSUDA HIROTO ,  IKEDA MASAMI ,  MATSUMOTO HARUYUKI

    IPC: B41J2/16 ,  B41J3/04

    Abstract: A method of making an ink jet head with an orifice plate having an orifice extending therethrough for ink ejection involves the steps of adhering a photosensitive plate to the ink jet head to cover the outlet of a liquid passageway in the head, aligning a pattern mask with the ink passageway, exposing the photosensitive plate in-situ to radiation through the pattern mask, and removing portions of the photosensitive plate in accordance with the radiation pattern to form in the photosensitive plate an orifice aligned with the outlet.

    10.
    发明专利
    未知

    公开(公告)号：FR2585290A1

    公开(公告)日：1987-01-30

    申请号：FR8610750

    申请日：1986-07-24

    Applicant: CANON KK

    Inventor： ICHIHASHI HIROO ,  OZAWA MASAKAZU ,  EBINUMA RYUICHI ,  SAITO ATSUSHI

    IPC: B41J2/165 ,  B41J29/02 ,  B41J3/04 ,  B41J29/00

    Abstract: A capping device for an ink jet recorder is provided with a support frame of substantially L-shaped cross-section contained in a frame and supporting an ink absorbing member inside thereof, and a throttle plate in contact with the underside of the absorbing member and disposed substantially parallel to the support frame, the capping device being so disposed that the rear end edge of the throttle plate opposite to a recording head is situated vertically below the side edge surface of the recording head. The specification also discloses an ink jet recording apparatus having such capping device. (FIGS. 1 and 6-8). A flow path for directing liquid squeezed from the absorbing member has upper and lower stages, the upper stage having a sufficiently large diameter that a liquid meniscus does not form and the lower stage having a small diameter that permits a meniscus to form. (FIGS. 9 and 10).

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