Patents Assigned to Dai Nippon Insatsu Kabushiki Kaisha
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Patent number: 5130292Abstract: A heat transfer sheet having a heat transfer layer on one surface of a base sheet, said heat transfer layer being formed of a material containing a dye substantially dissolved in a binder with a weight ratio of the dye to the binder (dye/binder ratio) of 0.3 or more, and said base sheet having a heat-resistant slipping layer provided on the surface on which the heat transfer layer is not provided.A heat transferable sheet to be used in combination with the heat transfer sheet, comprising a receptive sheet having (a) a base sheet and (b) a receptive layer for receiving the dye migrated from the above-mentioned heat transfer sheet on heating, said receptive sheet having an intermediate layer provided between the base sheet and the receptive layer.Type: GrantFiled: March 1, 1990Date of Patent: July 14, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Yoshikazu Ito, Masanori Akada, Masaki Kutsukake, Mineo Yamauchi, Masanori Saito, Atsushi Takano, Hideichiro Takeda, Hitoshi Arita
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Patent number: 5127330Abstract: For printing fine patterns, a fine pattern of a setting type ink is applied to a printing plate surface to become printing elements. Then, the setting type ink thus applied on the printing plate is subjected to a setting treatment thereby to set at least one part of the ink pattern, and thereafter the printing plate and an object to be printed are pressed relatively against each other thereby to transfer the ink pattern onto the print object. The printing plate can be an intaglio plate or a lithographic plate. Fine patterns of printing element widths as fine as 3 .mu.m with an ink film thickness of 2 .mu.m can be printed efficiently with the high precision on various objects including hard and rigid objects.Type: GrantFiled: June 18, 1990Date of Patent: July 7, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Satoshi Okazaki, Hiroyuki Matsui, Satoshi Takeuchi
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Patent number: 5128311Abstract: A heat transfer image-receiving sheet including a substrate sheet and a dye-receiving layer formed on at least one surface of the substrate sheet. The dye-receiving layer of this heat transfer image-receiving sheet is composed of a resin containing a polar group and/or a salt thereof in an amount of 2 to 2000 equivalents per 10.sup.6 g of the resin. With the dye-receiving layer comprising the resin, a heat transfer image-receiving sheet, which can form thereon an image having a high density and good preservability, is provided.Type: GrantFiled: June 21, 1990Date of Patent: July 7, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Noritaka Egashira, Yoshinori Nakamura
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Patent number: 5124309Abstract: A heat transfer sheet having a dye layer including a dye and binder, provided on a substrate film, said dye layer contains a compound represented by the following formula (I):R=[(CH.sub.2).sub.1 --X--(CH.sub.2).sub.m --CH.sub.3 ].sub.2 (I)wherein R is a phenylene group or a napthylene group or an alkylene group which may also have substituent, X is a linking group such as --NHCOO-- group, --NHCONHN-- group, --COO-- group, --CONH group, --NHCO group, --NHSO.sub.2 -- group, --OOC-- groups, --OOCNH group, --O.O.sub.2 S group--, --SO.sub.2 NH-- group, --SO.sub.2.O group, --O-- group, --NH-- group, --S-- group; and l and m are integers of 1 to 30.Type: GrantFiled: March 28, 1990Date of Patent: June 23, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventor: Noritaka N. E. Egashira
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Patent number: 5117754Abstract: An offset sheet-fed press is provided with a cleaning apparatus for an impression cylinder. The cleaning apparatus includes a cleaning unit which includes a frame member, a magazine roll provided with a spring brake for a cleaning cloth, a wind-up roll for winding up the cleaning cloth while stepwisely transferring the cleaning cloth by a wind-up torque motor, guide rolls for guiding the cleaning cloth so that the cleaning cloth faces the outer surface of the impression cylinder between the magazine roll and the wind-up roll, and a plurality of air cylinders arranged in parallel and disposed on the rear surface side of the cleaning cloth facing the impression cylinder. The cleaning unit further includes a cleaning cloth press assembly provided with a linear press blade linerally pressing the cleaning cloth against the impression cylinder on the side of the magazine roll, a plate-like guide disposed on the side of the wind-up roll and a surface press pad pressing the surface of the impression cylinder.Type: GrantFiled: December 21, 1990Date of Patent: June 2, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Yoshiki Nozaka, Shinya Fujino, Hiroshi Miyama, Isao Kawakami, Hitoshi Otsuka
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Patent number: 5118658Abstract: A heat transfer sheet including a substrate film having thereon a due layer including a dye and a binder, wherein the binder includes a urethane-modified cellulosic resin obtained by the reaction of a hydroxyl group-containing cellulosic resin with an isocyanate.Type: GrantFiled: October 16, 1990Date of Patent: June 2, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Noritaka Egashira, Masashi Narita, Hideo Fujimura, Yoshinori Nakamura
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Patent number: 5112799Abstract: A heat transfer image-receiving sheet including a base sheet and a dye receiving layer formed on at least one surface of the base sheet. The dye receiving layer includes an acidic resin with acid value of 2 or more, or is formed primarily of a polyester resin with a branched structure.Type: GrantFiled: October 17, 1989Date of Patent: May 12, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Noritaka Egashira, Yoshinori Nakamura
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Patent number: 5109795Abstract: A strip or roll of thermal transfer type recording sheet has a base film on one side of which a hot-melt ink layer is formed for recording on paper or other surface by thermal transfer. An end mark or marks to be detected optically for warning the user of the fact that the recording roll is being used up is/are formed adjacent one end of the strip by gravure printing with use of a light-reflective ink. The end mark or marks produced by gravure printing are of such constant thickness, and with the bounding edges so sharply defined, that they permit positive detection by an optical sensor.For the production of the end marks by gravure printing, a web of base film with the hot-melt ink layer formed on one side thereof, with a width several times greater than that of each strip of recording sheet to be manufactured, is fed through a printing unit of a gravure printing section.Type: GrantFiled: November 15, 1990Date of Patent: May 5, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Shigeki Umise, Hirokatsu Imamura
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Patent number: 5111285Abstract: A video printer device is disclosed which is capable of printing out a high quality still image by subjecting image data obtained from a continuous video signal such as a television signal or the like, to noise processing and tone processing to improve the quality of the same. Upon subjecting said video signal to the noise and tone processings, a processed image can be displayed on a screen of a monitor, and checked and corrected on the same screen on real time.Type: GrantFiled: May 14, 1990Date of Patent: May 5, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Shuji Fujita, Masashi Narita, Masanori Akada, Yoshihiko Azuma
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Patent number: 5110663Abstract: An ultra-high-molecular-weight polyethylene sheet characterized in that it is formed into a sheet-like material of 100 to 300 .mu.m in thickness by extruding into a sheet form a feed polyethylene comprising an ultra-high-molecular-weight polyethylene having a viscosity-average molecular weight of 300,000 to 2,000,000.Type: GrantFiled: July 31, 1990Date of Patent: May 5, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Masashi Nishiyama, Hideaki Fujii, Tatsumi Takahashi
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Patent number: 5106694Abstract: A heat transfer sheet comprising a base film and a hot melt ink layer formed on one surface of the base film, said hot melt ink layer comprising one or more components which impart filling to the printed areas of a transferable paper during transferring. Another type of a heat transfer sheet comprising a base film, a hot melt ink layer laminated on one surface of the base film, and a filling layer laminated on the hot melt ink layer, said filling layer comprising one or more components which impart filling to the printed areas of a transferable paper during transferring. According to the heat transfer sheets, high quality printing can be attained even at a high speed without any staining.Type: GrantFiled: August 19, 1991Date of Patent: April 21, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Akira Mizobuchi, Yoshiaki Hida, Shigeki Umise, Kyoichi Yamamoto, Kyohei Takahashi
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Patent number: 5106815Abstract: A heat transfer sheet including a substrate sheet and a dye carrier layer formed on one side of the substrate sheet is characterized in that the dye included in the dye carrier layer is a dye containing chromophores resulting from at least two azo bonds linked together through a non-conjugated linking group.Type: GrantFiled: July 31, 1990Date of Patent: April 21, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Masanori Akada, Jumpei Kanto, Hitoshi Saito, Hiroshi Eguchi, Masayuki Nakamura, Junji Chiba, Kaoru Suda
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Patent number: 5102859Abstract: A heat transfer sheet comprising a substrate sheet and a dye carrier layer formed on its one major side, characterized in that a dye included in said dye carrier layer is expressed by the following general formula (I): ##STR1## wherein: R.sub.1 stands for a substituted or unsubstituted alkyl, cycloalkyl, aralkyl or aryl group, or an atom or atomic gorup which forms a five- or six-membered ring with Y,R.sub.2 denotes a substituted or unsubstituted alkyl, cycloalkyl, aralkyl or aryl group,said R.sub.1 and R.sub.2 may form together a five- or six-membered ring which may include an oxygen, nitrogen or sulfur atom,R.sub.3 represents a hydrogen atom, a halogen atom or a cyano group, or an alkyl, cycloalkyl, aryl, aralkyl, alkoxy, alkylthio, aryloxy, arylthio, acylamino, sulfonylamino, ureido, carbamoyl, sulfamoyl, acyl or amino group which may contain a substituent,X.sub.Type: GrantFiled: October 26, 1990Date of Patent: April 7, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Jumpei Kanto, Masayuki Nakamura
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Patent number: 5099782Abstract: A relatively large-sized square substrate for use in the production of a color filter for liquid crystal display, a color image sensor or the like is applied with a coating film of a viscous liquid such as a photosensitive resin. For producing the coating film, the substrate is placed with its surface extending horizontally and the viscous liquid is dropped on the surface in a line along an edge portion of the surface. Then, a squeezee rod is moved along the surface with a predetermined gap maintained between the squeezee rod and the surface, to spread the viscous liquid over at least a part of the surface, whereby a predetermined thickness of the spread viscous liquid is obtained. Thereafter, the substrate is spinned in the plane of the surface thereof to disperse the spread viscous liquid uniformly by centrifugal force over the entire surface of the substrate, whereby a thin coating of the liquid of a uniform thickness is formed on the surface of the substrate.Type: GrantFiled: February 20, 1990Date of Patent: March 31, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Shigeyasu Nakazawa, Nobunari Nadamoto, Souichi Matsuo, Mitsuru Iida
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Patent number: 5100727Abstract: A thermal transfer sheet comprising a substrate film, a transferable ink layer formed on one surface side of the substrate film, and a back coating layer formed on the other surface side of the substrate film to be in contact with a thermal head, wherein the transferable ink layer comprises a heat-fusible ink capable of being melted under heating, and the back coating layer comprises a binder predominantly comprising polyparabanic acid.Type: GrantFiled: December 19, 1990Date of Patent: March 31, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Hirokazu Kaneko, Hideichiro Takeda
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Patent number: 5096874Abstract: The present invention concerns a heat-sensitive transfer method which performs heat-transfer recording by heating (a) a heat transfer sheet including a dye layer comprising a dye and a binder formed on a substrate, and (b) an image-receiving sheet including a receiving layer having a resin for receiving the dye migrating from the dye layer on the heat transfer sheet formed on a substrate according to an image information from the back of the heat transfer sheet with the dye layer and receiving layer being superposed on each other, whereby the dye migrates into the receiving layer. The dye for the dye layer has a dye diffusion coefficient in the receiving layer of 5.times.10.sup.-9 cm.sup.2 /min. or higher at 120.degree. C. when the dye is diffused by migration into the receiving layer of the image-receiving sheet. The image-receiving sheet and the heat transfer sheet are used in combination so that the saturated transfer ratio of the dye from the dye layer to the receiving layer is 40% or more at 120.degree.Type: GrantFiled: March 12, 1990Date of Patent: March 17, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventor: Tatsuya Kita
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Patent number: 5095000Abstract: An image-receiving sheet for use in combination with a heat transfer sheet has a substrate, an image-receiving layer provided thereon, and optionally a layer of a mold releasing agent provided on at least a part of the image-receiving layer. This image-receiving sheet exhibits good mold releasability and also provides a colored image having a high density, resolving power and continuous gradation.Type: GrantFiled: March 2, 1990Date of Patent: March 10, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Sadanobu Kawasaki, Mineo Yamauchi, Masanori Akada
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Patent number: 5093082Abstract: A purified guaiacum resin which is obtained by isolation from a natural guaiacum resin with chromatography using a gel for reversed chromatography as a stationary phase and a polar solvent as a mobile phase. The purified guaiacum resin does not contain substances causing the repellency of a specimen or constituents exhibiting unstable color development when it is used as a body fluid inspection agent and is subjected to color reaction in the presence of a peroxidase and hydrogen peroxide.Type: GrantFiled: September 9, 1988Date of Patent: March 3, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Masanao Watanabe, Kohji Kuroda, Yoshiko Fujita
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Patent number: 5086297Abstract: A method of forming a fluorescent screen for a plasma display panel provided with a front plate and a rear plate disposed parallel to each other and a cell barrier mounted on the front or rear plate and constituting a plurality of cells as display elements is characterized in that the cell barrier is located on a surface of the front or rear plate facing the other plate, a slurry solution containing a phosphor is filled in a portion defined by a cell wall of the cell barrier on the front or rear plate, only the wall surface of the cell barrier is exposed, and so a photosensitive layer containing a phosphor is formed at a portion inside the cell barrier. The fluorescent screen forming method is further characterized in another aspect in that a slurry solution containing a phosphor fills inside the cell of the cell barrier disposed on the plate, the plate is inclined immediately thereafter with an inclination of about 90.degree.Type: GrantFiled: June 12, 1989Date of Patent: February 4, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Toru Miyake, Naoshige Higuchi, Yoshiki Kudo, Hisao Tanabe
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Patent number: 5083156Abstract: A vacuum contact printing device comprises a pair of frame members for supporting a pair of originals disposed on both sides of a base member and a pair of transparent plates disposed outside the frame members. A first vacuum chamber is formed between the paired originals and a second vacuum chambers are formed between the paired originals and the transparent plates. A vacuum device is connected to the first and second vacuum chambers for exhausting inner air in the first and second chambers for reducing inner pressures thereof and being capable of releasing the vacuum condition at least in the second vacuum chamber. There is provided an exposure apparatus to which the original contact printing device is applicable, in which original contact devices are movable from exposure positions to other positions and a supplemental original contact device is movable to the exposure position.Type: GrantFiled: March 7, 1991Date of Patent: January 21, 1992Assignee: Dai Nippon Insatsu Kabushiki KaishaInventors: Toshiyuki Sato, Hiroyuki Hashimoto, Kazuo Watanabe