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公开(公告)号：DE69816407D1
公开(公告)日：2003-08-21
申请号：DE69816407
申请日：1998-12-22
Applicant: CANON KK
Inventor： HAYASHI HIROKI , YAMAMOTO HAJIME , SHIMUZU EIICHIRO
Abstract: Disclosed herein is an ink-contacting member used in an ink-jet recording apparatus, which comprises, as a principal component, a polyolefin obtained by adding a hydrotalcite-like compound as a neutralizer.
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公开(公告)号：HK1048093A1
公开(公告)日：2003-03-21
申请号：HK03100185
申请日：2003-01-07
Applicant: CANON KK
Inventor： YAMAMOTO HAJIME , SHIMIZU EIICHIRO , KONO TAKESHI , UETSUKI MASAYA , HATASA NOBUYUKI , KOSHIKAWA HIROSHI , NANJO TATSUO
Abstract: The invention provides a liquid container (11) capable of supplying ink to the exterior until the ink is almost depleted, and allowing simple detection of the remaining ink amount and deviated distribution of the ink component after a prolonged standing. The liquid container is provided with a first connection port (27) and a second connection port (28) on the bottom, communicating with a liquid chamber. The connection port is positioned closer to the end of the container bottom, while the connection port is positioned closer to the center thereof. In the connection ports, elastic members (16) are provided so as to prevent leakage of the ink in the liquid chamber.
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公开(公告)号：AT232166T
公开(公告)日：2003-02-15
申请号：AT96117529
申请日：1996-10-31
Applicant: CANON KK
Inventor： YAMAMOTO HAJIME , SHIMIZU EIICHIRO , MATSUO KEISUKE , ARASHIMA TERUO , HINAMI JUN , TAKAHASHI WATARU
Abstract: An ink absorbing body stores an ink injected into an ink tank for an ink-jet with capillary force between fiber. On a surface of said fiber before filling the ink, a surfactant is deposited within a range of 0.002 to 0.2wt% relative to a weight of the ink or in a range of 0.01 to 0.5wt% relative to a weight of the fiber.
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公开(公告)号：DE69802151D1
公开(公告)日：2001-11-29
申请号：DE69802151
申请日：1998-07-29
Applicant: CANON KK
Inventor： SHIMIZU EIICHIRO , YAMAMOTO HAJIME , HINAMI JUN , HAYASHI HIROKI
IPC: B41J2/175
Abstract: An ink container includes an ink absorbing material for retaining ink and producing a negative pressure; a casing, provided with an ink supplying portion and an air vent, for accommodating the ink absorbing material; wherein the ink absorbing material is of thermoplastic material and has a surface ink blocking layer provided by heating and melting a surface of the absorbing material; wherein the ink blocking layer blocks movement of the ink contained in the ink absorbing material to outside, and constitutes at least a part of the casing.
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公开(公告)号：BR0101475A
公开(公告)日：2001-11-13
申请号：BR0101475
申请日：2001-04-12
Applicant: CANON KK
Inventor： NAKAMURA MASAO , HASE TETSUYA , MORITA HARUO , YAMAMOTO HAJIME , SHIMIZU IICHIRO , UDAGAWA KENTA , KITABATAKE KENJI
Abstract: A forming method for a fiber aggregate in which fibers are heated to be welded with each other includes a heating step of applying heated air in an upward direction to a bottom of a block of the fibers to pass the heated air therethrough and to cause the block of fibers to float, wherein at least parts of fibers are melted while the block of the fibers float; a compression step of compressing substantially in a vertical direction the heated block of fibers to a desired thickness; and a cooling step of cooling the compressed block of fibers to solidify melted portions of the fibers at portions where the fibers intersect each other.
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Patent Agency Ranking
公开(公告)号：AU7203300A
公开(公告)日：2001-06-07
申请号：AU7203300
申请日：2000-12-05
Applicant: CANON KK
Inventor： HAYASHI HIROKI , KITABATAKE KENJI , SANADA MIKIO , YAMAMOTO HAJIME , SUGAMA SADAYUKI , KOSHIKAWA HIROSHI , SHIMIZU EIICHIRO , HATTORI SHOZO
IPC: B41J2/175 , D06M15/643 , D01F11/06
Abstract: A fiber body which exhibits sufficient ink supplying characteristics for keeping up with the trend toward diversification of ink and high printing speed while ensuring an easy and simple ink injection operation and a liquid container having the same. The ink tank 1 has a PP fiber body (crosshatched area of the figures) 2, as a negative pressure generating member for an ink jet head which ejects liquid to perform recording, arranged almost all over the interior thereof, so as to allow the fiber body to hold a liquid to be supplied to an ink jet head. On the top of the tank casing, provided is an atmosphere communication port 3. And as a PP fiber body 2, used is an assembly of intertwined PP fibers of which surface has been subjected to surface treatment of giving hydrophilic nature thereto.
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公开(公告)号：AU7203200A
公开(公告)日：2001-06-07
申请号：AU7203200
申请日：2000-12-05
Applicant: CANON KK
Inventor： HAYASHI HIROKI , KITABATAKE KENJI , KOSHIKAWA HIROSHI , SANADA MIKIO , SHIMIZU EIICHIRO , YAMAMOTO HAJIME , HATTORI SHOZO , SUGAMA SADAYUKI
Abstract: To provide a recording liquid feed path, recording liquid container, and recording liquid feed device having the same, as well surface modifying method for the recording liquid feed device to feed efficiently a recording liquid for ejection through a feed tube. If the interior of the feed tube is not rendered hydrophilic as shown in Fig. 3A, air which has passed through a wall of the feed tube forms a bubble, which bubble adheres to an inner surface of the feed tube and obstructs a flow of the recording liquid. But if the inner surface of the feed tube is rendered hydrophilic to form a hydrophilic surface as shown in Fig. 3B, the recording liquid is conducted along the hydrophilic surface at the inner surface portion of the feed tube with the bubble adhered thereto, so that the adhesion area of the bubble to the feed tube inner surface is reduced and the bubble floats from the inner surface. Consequently, when the recording liquid is fed, the bubble can be removed easily by the flow of the recording liquid and thus the flow of the recording liquid can be prevented from being obstructed by the bubble.
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公开(公告)号：AU715362B2
公开(公告)日：2000-02-03
申请号：AU6083596
申请日：1996-07-31
Applicant: CANON KK
Inventor： ONO TAKAYUKI , SUGITANI HIROSHI , MASUDA KAZUAKI , YAMAMOTO HAJIME , SHIMIZU EIICHIRO , OSADA TORACHIKA , HIGUMA MASAHIKO , MATSUO KEISUKE , HINAMI JUN , IKETANI MASARU
Abstract: An ink absorber is housed inside a housing of an ink tank and is capable of retaining ink. The ink absorber has an outer surface equal to or corresponding to a shape of an internal surface of the housing and is made of a fiber material obtained by compressing a fiber body and thermally molding at least a surface thereof. An ink tank is comprised of the ink absorber and the housing. An ink jet cartridge is comprised of the ink tank and a print head. A process for producing the ink tank comprises a first molding step of molding a continuous fiber aggregate of a rod shape or a plate shape with elasticity, a step of cutting the fiber aggregate thus molded to form a fiber body, a second molding step of subjecting the fiber body to compression and thermal molding so as to provide the fiber body with an outer surface corresponding to a shape of the inside of the housing, thus forming an ink absorber and a step of inserting the ink absorber into the inside of the housing.
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公开(公告)号：CA2272810A1
公开(公告)日：1999-11-29
申请号：CA2272810
申请日：1999-05-26
Applicant: CANON KK
Inventor： YAMAMOTO HAJIME , HAYASHI HIROKI , SHIMIZU EIICHIRO
IPC: C07D251/34 , B41J2/175 , C08K5/3492 , B41J2/14
Abstract: Disclosed herein is an ink-contacting member used in an ink-jet recording apparatus, which comprises, as a principal component, a resin material obtained by adding a phenolic antioxidant having an isocyanurate skeleton represented by the formula.
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公开(公告)号：AU702828B2
公开(公告)日：1999-03-04
申请号：AU7056696
申请日：1996-11-01
Applicant: CANON KK
Inventor： YAMAMOTO HAJIME , SHIMIZU EIICHIRO , MATSUO KEISUKE , ARASHIMA TERUO , HINAMI JUN , TAKAHASHI WATARU
IPC: B41J2/175
Abstract: An ink absorbing body stores an ink injected into an ink tank for an ink-jet with capillary force between fiber. On a surface of said fiber before filling the ink, a surfactant is deposited within a range of 0.002 to 0.2wt% relative to a weight of the ink or in a range of 0.01 to 0.5wt% relative to a weight of the fiber.
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