Canon Kabushiki Kaisha

Mitsuru Kurata

Tokihide Ebata

Haruo Uchida

Noribumi Koitabashi

Hitoshi Sugimoto

Hiromitsu Hirabayashi

Akio Suzuki

Yasushi Miura

Kazuyoshi Takahashi

Akihiro Nomura

Yasuyuki Takanaka

Tsutomu Abe

Seiichiro Karita

Toshiaki Yagasaki

Shigeyoshi Onoda

Hiroyuki Miyake

Yasuo Miyauchi

Nobuhiro Kasama

Hiroshi Tajika

Kentaro Yano

Kazuaki Masuda

Miyuki Matsubara

Hiroki Tajima

Hiroshi Tanioka

Yoshiaki Takayanagi

Shinji Kanemitsu

Tadashi Yamakawa

Yutaka Inoue

Itaru Watanabe

Masao Hosaka

Akio Takeda

Masahiro Nishio

Akihiro Yamanaka

Yoshihiro Takada

Tomohiro Aoki

Masatoshi Ikkatai

Keiju Kuboki

Yutaka Udagawa

Eiichi Takagi

Takeshi Kono

Kunihiko Matsuzawa

Nobuhiko Ogata

Kazunari Nishimoto

Hideyuki Tanaami

Takeshi Irizawa

Tetsuto Kageyama

Toshihiro Sasaki

Takeaki Shima

Yoshio Komaki

Masami Ikeda

Yutaka Koizumi

Hiroshi Sugitani

Akira Goto

Shunji Nakamura

Shinichi Sasaki

Takayuki Ono

Hirofumi Hirano

Keiichi Murai

Kimio Nakahata

Takeshi Komada

Yasushi Iijima

Hiroyuki Maeda

Yoshikazu Yokomizo

Takayuki Matsuo

Makoto Kashimura

Masamichi Tateoka

Toshiaki Mabuchi

Hiroaki Shirakawa

Junichi Asano

Tetsuo Kimura

Hiroyuki Kuriyama

Hiroshi Nakagomi

Tsuguhiro Fukuda

Yoshiko Miyashita

Toshiro Matsui

Kiyokazu Namekata

Kazuotshi Shimada

Takuji Niizawa

An ink jet recording apparatus comprises a recording head including a discharge port for discharging ink, a first liquid chamber at the upstream side in the direction of ink flow toward the discharge port, and a second liquid chamber at the downstream side, an ink tank for containing ink to be supplied to the recording head, an ink supply tube for causing the ink tank to communicate with the recording head, a shut-off valve provided in the ink supply tube and opening or closing the ink supply tube, a cap for covering the discharge port; and a suction pump for forcedly discharging the ink in the recording head from the discharge port when the cap covers the discharge port. The shut-off valve is opened when the first and second liquid chambers are reduced to respectively desired pressures by the suction pump in a state where the cap covers the discharge port and the shut-off valve is closed, whereby the ink in the ink tank is supplied through the ink supply tube to the first and second liquid chambers.

Ink jet recording apparatus

The invention prevents drawbacks resulting from the bubble generated at the downstream side of the filter, while minimizing the waste in the ink. The recording head has a sub tank for storing ink supplied from the exterior, and a liquid chamber storing the ink supplied from the sub tank and supplying ink directly to a nozzle for ink discharge. A filter is provided between the sub tank and the liquid chamber. The liquid chamber holds ink of a predetermined amount in such a manner that the ink therein is separated by gas between the filter and the liquid chamber.

Liquid supply system, ink jet recording head, ink jet recording apparatus and liquid filling method

A liquid discharge head records by generating thermal energy to discharge ink from a discharge port onto a recording medium. The head is provided with a heat dissipating substrate positioned substantially parallel and adjacent to a discharge portion substrate, and a space, which communicates with the outside air, positioned at a surface of the heat dissipating substrate which is opposite the surface of the heat dissipating substrate facing the discharge portion substrate. The space extends in the scanning direction so as to facilitate air flow through the head during carriage movement in order to dissipate heat generated by the head during recording. A cooling fan may be provided to increase the air flow and the consequent heat dissipation.

Recording head and recording apparatus with temperature control

An ink jet head cartridge includes a recording head for ejecting ink; an ink container for containing the ink to be supplied to the recording head; an air venting opening for communication between the container and ambience to allow supply of the ink from the container to the recording head; wherein the air venting opening is constituted by an outside opening and an inside opening and a passage connecting them, the passage has a length larger than a thickness of the ink container.

Ink jet apparatus and ink jet cartridge and ink container mountable thereto

An ink jet recording device includes a recording head having a discharge portion which has a discharge port array of discharge ports for discharging ink to a recording medium, a wiping member engageable with the discharge portion to wipe the discharge portion, and a cleaning member engageable with the wiping member to clean the wiping member, wherein a range of the discharge port array is smaller than a width of the wiping member, and the wiping member is equal to or smaller than a width of the cleaning member.

An ink jet textile printing method forms an image on cloths in an image forming operation by repeating a step of applying ink on the cloths from an ink discharge port of a recording head, the recording head relatively main-scanning to form the image in a main scan direction, and a step of relatively conveying the cloths in a sub-scan direction. The method includes the steps of forming the image on the cloths by applying ink on the cloths from the recording head based on image data. The method further includes the step of temporarily stopping the image forming operation in accordance with an indication to effect a temporary halt of the image forming operation. When the temporary halt is indicated while the recording head performs a main scan in the image forming operation, the image forming operation by the main scan is completed, and then the temporary halt of the image forming operation is effected by moving the recording head to a standby position. The method still further includes the step of releasing the temporary halt of the image forming operation and restarting the image forming operation in accordance with an indication for releasing the temporary halt of the image forming operation. When the release of the temporary halt is indicated, ink is discharged from the ink discharge port and then the image forming operation is restarted.

Textile ink jet recording method with temporary halt function

A fluid-ejecting apparatus includes: a wiping device having a wipe member for wiping an ejection surface of a fluid-ejecting head; and a washing bath storing a wash fluid for washing at least the wipe member of the wiping device. Therefore, a stable and uniform washing of the wiping device can be performed.

Fluid ejecting apparatus, a print system, a method of recovering fluid from a fluid ejecting head, and a record product all including a wiping blade for wiping an ejection surface

An ink jet recording apparatus includes a recording head having a discharge portion, the discharge portion having discharge ports arranged for discharging ink to a recording medium, an absorbing member provided in the vicinity of the discharge portion, and a wiping member engageable with the discharge portion and the absorbing member, wherein a range of the discharge port array<a width of the wiping member&lE;a width of the absorbing member.

A liquid ejecting apparatus, such as an ink-jet printing apparatus includes a blade for wiping a surface of a liquid ejecting head for ejecting a liquid and a device for cleaning the blade with achieving expansion of life and permitting efficient process. The apparatus achieves reduction of frequency of scrubbing contact between the blade and the liquid ejecting surface and high efficiency in recovery process associated with wiping operation and so forth. Also, by providing a washing liquid for the blade upon termination of printing, the blade may be maintained in sufficiently wetted condition.

Liquid ejecting apparatus with variable wiping of a liquid ejection head

An ink jet textile printing apparatus for performing printing by reading an original image created by a designer, converting the original image into original data represented by an electric signal, retrieving the original data for processing to be output as image data, and recording data on cloth based on the image data. The ink jet textile printing apparatus has a first ink jet recording head provided upstream of a recording position, and a second ink jet recording head provided downstream thereof, and is provided with a drying unit located between the recording heads, whereby high-quality recorded images with less bleeding can be obtained by recording on a recording area again with the second ink jet recording head after drying the recording area on the cloth recorded by the first ink jet recording head with the drying unit.

Ink jet recording method and apparatus and recorded matter

An ink jet head cartridge includes a recording head for ejecting ink; an ink container for containing the ink to be supplied to the recording head; an air venting opening for communication between the container and ambience to allow supply of the ink from the container to the recording head; wherein the air venting opening is constituted by an outside opening and an inside opening and a passage connecting the openings, the passage has a length larger than a thickness of the ink container.

Ink jet apparatus and ink jet cartridge having an ink container with a

An image forming apparatus includes conveying device for conveying a printing medium in the substantially horizontal direction in the printing range where a printing agent is applied to the printing medium while a printing plane of the printing medium orients in the upward direction, a printer section including a plurality of printing heads located opposite to a platen portion of the printing range for applying the printing agent to the printing medium in the downward direction so as to form printed images on the printing medium by activating the printing heads, and supporting device for slidably displacing the printer section relative to the platen portion in the conveying direction of the printing medium conveyed by the conveying device, between the position where the printer section is located opposite to the platen portion and the non-opposing position spaced away from the preceding position. With such construction, a maintenance service can easily be conducted for the conveying device.

Image forming apparatus

A liquid ejecting apparatus avoids the influence of mist generated by ejection from a liquid ejecting head without reference to the size of the printing width and the duration of the working time. A suction device for removing the ink mist generated and floating in a frame body is connected to the frame body surrounding the maximum scanning range of the liquid ejecting head with the exception of the recording medium side. The suction device includes an exhausting fan for exhausting air from the frame body, pipes for connecting the exhausting fan to the frame body, and a filter disposed at the intermediate part of the pipes.

Ink jet recording apparatus with device for exhausting ink mist

An image formation apparatus comprises a cap to cover the discharge ports of a recording head for discharging ink for the formation of images; rinsing liquid supply means for supplying rinsing liquid for rinsing the cap; and a rinsing liquid receptacle arranged to surround the cap for receiving and retaining the rinsing liquid. With the structure thus arranged, the image formation apparatus is able to prevent ink from being dried in the recording head, and at the same time, to rinse out ink and other dust particles adhering to the discharge port surface of the recording head, and to the cap, a member constituting the device to recover the discharging condition of the apparatus, thus preventing the adhesion of extracted substance resulting from the evaporation of water content in ink for the maintenance of stable ink discharges.

Cap for ink jet recording head with rinsing liquid supplied thereto

Growing community of inventors

Kawasaki, Japan

Mitsuru Kurata