公开(公告)号：CA2243913C

公开(公告)日：2003-09-30

申请号：CA2243913

申请日：1998-07-27

Applicant: CANON KK

Inventor： KASHINO TOSHIO ,  ISHINAGA HIROYUKI ,  SUGIYAMA HIROYUKI ,  KANEDA TOMOYUKI ,  TANEYA YOICHI

IPC: B41J2/01 ,  B41J2/05 ,  B41J2/14 ,  B41J2/175 ,  B41J2/205 ,  B41J2/21 ,  B41M5/00 ,  B41J2/145

Abstract: A liquid discharge method is designed for a liquid jet head provided with first discharge openings, a first liquid flow path conductively connected with each of the first discharge openings, first energy generating devices for generating energy for the discharge of droplets from the first discharge openings, second discharge openings, a second liquid flow path conductively connected with each of the second discharge openings, and second energy generating devices for generating energy for the discharge of droplets from the second discharge openings. Then, preceding the discharge of the first droplet from the discharge opening at a first discharge speed V1, the second droplet is discharged from the second discharge opening at a second discharge speed v2 smaller than the first discharge speed, and before each of the liquid droplets being impacted on an object, the first liquid droplet and the second liquid droplet are allowed to collide with each other to be combined. In this way, it becomes possible to allow two droplets to be in contact or to collide with each other reliably to be mixed between the liquid jet head and the object within a range that does not render any hinderance practically even if discharge speeds may fluctuate, hence obtaining precise images in higher quality.

公开(公告)号：CA2244509C

公开(公告)日：2003-08-05

申请号：CA2244509

申请日：1998-07-29

Applicant: CANON KK

Inventor： KASHINO TOSHIO ,  TANEYA YOICHI ,  ISHINAGA HIROYUKI ,  SUGIYAMA HIROYUKI

IPC: B41J2/05 ,  B41J2/14 ,  B41J2/175 ,  B41M5/00 ,  B41J27/00

Abstract: This specification discloses a liquid discharging method of discharging liquid from a discharge port for discharging the liquid by a liquid discharging element in a first liquid flow path communicating with the discharge port for supplying the liquid to the discharge port, characterized by the use of a variable member for causing negative pressure to act on the first liquid flow path. The specification also discloses a liquid discharging head having a discharge port for discharging liquid therethrough, a first bubble creating area for creating a first bubble in the liquid, and a first liquid flow path provided with the first bubble creating area and communicating with the discharge port, the liquid in the first liquid flow path being discharged through the discharge port by the creation of the first bubble, characterized by a second bubble creating area for creating a second bubble in the liquid, a second liquid flow path provided with the second bubble creating area, and negative pressure acting means using a variable member provided between the first liquid flow path and the second liquid flow path for causing only negative pressure to act in the first liquid flow path by the disappearance of the second bubble. The specification also discloses a head cartridge and a liquid discharging apparatus usingsuch liquid discharging head.

公开(公告)号：DE69813154D1

公开(公告)日：2003-05-15

申请号：DE69813154

申请日：1998-12-04

Applicant: CANON KK

Inventor： ISHINAGA HIROYUKI ,  OGAWA MASAHIKO ,  IKEDA MASAMI ,  SAITO ICHIRO ,  HIROKI TOMOYUKI ,  IMANAKA YOSHIYUKI ,  OZAKI TERUO ,  KUBOTA MASAHIKO ,  TANEYA YOICHI ,  SUGIYAMA HIROYUKI

IPC: B41J2/14 ,  B41J2/05 ,  B41J2/16

Abstract: In accordance with the present invention, there is provided a liquid discharge head comprising a discharge port (5) for discharging liquid, a liquid flow path (7) provided with a bubble generation means (2) for generating bubbles in liquid in communication with the discharge port (5), and a movable member (6) provided facing said bubble generation means (2) in said liquid flow path (7) and having a free end (6b) on a downstream side toward the discharge port (5), a first surface (1a) provided with the bubble generation means being continued to at least one second surface of the side wall surface of said liquid flow path (7) and the front end surface having the opening of the discharge port (5) with a curved surface (1b), the first surface being one of surfaces forming the liquid flow path (7).

公开(公告)号：CA2210380C

公开(公告)日：2002-09-03

申请号：CA2210380

申请日：1997-07-11

Applicant: CANON KK

Inventor： KASHINO TOSHIO ,  TANEYA YOICHI

IPC: B41J2/05 ,  B41J2/14 ,  B41J2/175

Abstract: A liquid ejecting head cartridge includes a liquid ejection head, the liquid ejection head including; a first liquid flow path in fluid communication with an ejection outlet; bubble generation region; second liquid flow path distributed adjacent the first liquid flow path; a movable member disposed faced to the bubble generating region and displaceable between a first position and a second position more remote from the bubble generating region than the first position; wherein the first and second liquid flow paths are capable of being supplied with different first 1 and second liquids, respectively; wherein the movable member is displaced from the first position to the second position by pressure produced by the generation of the bubble in the bubble generating portion to direct the pressure toward the ejection outlet, thus ejecting the liquid through the ejection outlet; and the cartridge further comprising: a liquid container device for supplying the liquid to the liquid ejection cartridge, wherein the liquid container device may have a first liquid container accommodating at least the first liquid, or a second liquid container accommodating third liquid which is different from the first liquid and from the second liquid and which is to be supplied commonly to the first and second liquid flow paths, and wherein the first and second liquid containers are mountable the liquid ejecting head.

公开(公告)号：DE69429958T2

公开(公告)日：2002-08-29

申请号：DE69429958

申请日：1994-10-13

Applicant: CANON KK

Inventor： SHIMOMURA AKIHIKO ,  TOGANOH SHIGEO ,  MASUDA KAZUAKI ,  TAKENOUCHI MASANORI ,  MAEOKA KUNIHIKO ,  HIGUMA MASAHIKO ,  AONO KENJI ,  TANEYA YOICHI ,  MIYAGAWA MASASHI

IPC: B41J2/175 ,  B41J2/01 ,  C08L101/00 ,  C08L101/08 ,  C08L101/10 ,  B41J2/00

Abstract: An ink jet head comprises parts for holding liquid ink, the parts being sealed with a moisture-curing sealant composed mainly of an organic high polymer compound having an alkoxysilane moiety represented by Formula (1) in the molecule thereof: where X is hydrogen, methyl, ethyl, propyl or halogen; R is methyl, ethyl or propyl; and n is 1, 2 or 3.

公开(公告)号：AU747882B2

公开(公告)日：2002-05-30

申请号：AU7868498

申请日：1998-07-30

Applicant: CANON KK

Inventor： ISHINAGA HIROYUKI ,  KASHINO TOSHIO ,  TANEYA YOICHI ,  SUGIYAMA HIROYUKI

IPC: B41J2/05 ,  B41J2/14 ,  B41J2/175 ,  B41M5/00 ,  B41J2/07

Abstract: This specification discloses a liquid discharging method of discharging liquid from a discharge port for discharging the liquid by a liquid discharging element in a first liquid flow path communicating with the discharge port for supplying the liquid to the discharge port, characterized by the use of a variable member for causing negative pressure to act on the first liquid flow path. The specification also discloses a liquid discharging head having a discharge port (18) for discharging liquid therethrough, a first bubble creating area (15) for creating a first bubble in the liquid, and a first liquid flow path (10) provided with the first bubble creating area and communicating with the discharge port, the liquid in the first liquid flow path being discharged through the discharge port by the creation of the first bubble, characterized by a second bubble creating area (11) for creating a second bubble in the liquid, a second liquid flow path (16) provided with the second bubble creating area, and negative pressure acting means using a variable member provided between the first liquid flow path and the second liquid flow path for causing only negative pressure to act in the first liquid flow path by the disappearance of the second bubble. The specification also discloses a head cartridge and a liquid discharging apparatus using such liquid discharging head.

公开(公告)号：AU746793B2

公开(公告)日：2002-05-02

申请号：AU7862298

申请日：1998-07-30

Applicant: CANON KK

Inventor： TANEYA YOICHI ,  ISHINAGA HIROYUKI ,  KASHINO TOSHIO ,  SUGIYAMA HIROYUKI ,  KANEDA TOMOYUKI

IPC: B41J2/01 ,  B41J2/05 ,  B41J2/14 ,  B41J2/175 ,  B41J2/205 ,  B41J2/21 ,  B41M5/00 ,  B41J2/04 ,  B41J2/07 ,  B41J2/145

公开(公告)号：BR0104362A

公开(公告)日：2002-02-26

申请号：BR0104362

申请日：2001-07-27

Applicant: CANON KK

Inventor： ISHINAGA HIROYUKI ,  MISUMI YOSHINORI ,  TANEYA YOICHI ,  SUGIYAMA HIROYUKI

IPC: B41J2/05

Abstract: A liquid discharge head comprises a plurality of heat generating members for generating thermal energy for generating a bubble in liquid, a discharge port provided for each of said heat generating members and constituting a portion for discharging said liquid, a liquid flow path communicating with said discharge port and including a bubble generating area for generating a bubble in the liquid, a movable member provided in said bubble generating area and adapted to displace among with the growth of said bubble, a limiting portion for limiting the displacement of said movable member within a desired range, and a circuit for receiving data of a predetermined number of bits for each heat generating member and generating drive pulses for the corresponding heat generating member based on the input data, wherein said heat generating member and said discharge port are in a linear communicating relationship, said limiting portion is provided opposed to said bubble generating area in said liquid flow path, and the liquid flow path including said bubble generating area constitutes a substantially closed space except for said discharge port by the substantial contact between said displaced movable member and said limiting portion, and the number of said drive pulses generated from said input data is larger than said predetermined number of bits at least for a set of said data, and said liquid is discharged from said discharge port by the energy of bubble generation by the application of said drive pulse.

公开(公告)号：CA2353692A1

公开(公告)日：2002-01-27

申请号：CA2353692

申请日：2001-07-24

Applicant: CANON KK

Inventor： MISUMI YOSHINORI ,  SUGIYAMA HIROYUKI ,  TANEYA YOICHI ,  ISHINAGA HIROYUKI

IPC: B41J2/05 ,  B67D5/00 ,  B41J2/14

Abstract: A liquid discharge head comprises a plurality of heat generating members for generating thermal energy for generating a bubble in liquid, a discharge port provided for each of said heat generating members and constituting a portion for discharging said liquid, a liquid flow path communicating with said discharge port and including a bubble generating area for generating a bubble in the liquid, a movable member provided in said bubble generating area and adapted to displace among with the growth of said bubble, a limiting portion for limiting the displacement of said movable member within a desired range, and a circuit-for receiving data of a predetermined number of bits for each heat generating member and generating drive pulses for the corresponding heat generating member based on the input data, wherein said heat generating member and said discharge port are in a linear communicating relationship, said limiting portion is provided opposed to said bubble generating area in said liquid flow path, and the liquid flow path including said bubble generating area constitutes a substantially closed space except for said discharge port by the substantial contact between said displaced movable member and said limiting portion, and the number of said drive pulses generated from said input data is larger than said predetermined number of bits at least for a set of said data, and said liquid is discharged from said discharge port by the energy of bubble generation by the application of said drive pulse.

公开(公告)号：AU8550201A

公开(公告)日：2002-01-03

申请号：AU8550201

申请日：2001-10-29

Applicant: CANON KK

Inventor： ASAKAWA YOSHIE ,  TANEYA YOICHI ,  KUDO KIYOMITSU ,  YOSHIHIRA AYA ,  NAGASHIMA AKIRA ,  KASHINO TOSHIO ,  ISHINAGA HIROYUKI

IPC: B41J2/165 ,  B41J2/05 ,  B41J2/055 ,  B41J2/14 ,  B41J2/175 ,  B41J2/18 ,  B41J2/185

Abstract: A liquid discharge head comprises discharge ports for discharging the liquid, a bubble producing area for producing an air bubble in the liquid of liquid flow channels, and a movable member, which is disposed toward the bubble producing area, and displaceable between a first position and a second position farther away from the bubble producing area than the first position, the liquid discharge head discharging the liquid in such a manner that the movable member is displaced from the first position to the second position by a pressure due to a bubble produced in the bubble producing area, and the bubble is more greatly expanded downstream than upstream in a direction toward the discharge port, due to the displacement of the movable member. The head has a check valve disposed in a liquid supply passage leading to the liquid flow channels.