Patents Assigned to Taiheiyo Cement Corporation
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Publication number: 20070193477Abstract: A hydraulic composition including: a ground burned product A having a hydraulic modulus (H.M.) of 1.8 to 2.3, a silica modulus (S.M.) of 1.3 to 2.3 and an iron modulus (I.M.) of 1.3 to 2.8; and a gypsum. The hydraulic composition is capable of reducing heat of hydration and producing a mortar or a concrete excellent in flowability and strength development.Type: ApplicationFiled: September 30, 2004Publication date: August 23, 2007Applicant: TAIHEIYO CEMENT CORPORATIONInventors: Daisuke Sawaki, Susumu Sano, Kenichi Homma, Kouki Ichitsubo, Kenichi Matsumoto, Makihiko Ichikawa
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Publication number: 20070098035Abstract: A cement kiln chlorine/sulfur bypass system wherein the equipment cost is suppressed and the sulfur included in a combustion gas bled from a cement kiln is separated and effectively utilized. The cement kiln chlorine/sulfur bypass system comprises an air bleed means for bleeding a kiln exhaust gas passage, which runs from the end of the cement kiln to a bottom cyclone, of a part of the combustion gas, a separating means for separating dust in the gas bled by the air bleed means into coarse particles and fine particles, and a wet dust collector for collecting dust from the gas containing the fine particles separated by the separating means. The separating means is preferably a classifier in which the cut size is changeable. The wet dust collector is preferably a mixing scrubber.Type: ApplicationFiled: August 13, 2003Publication date: May 3, 2007Applicant: Taiheiyo Cement CorporationInventors: Saito Shinichiro, Naoki Ueno, Hiroshi Harada, Soichiro Okamura, Takayuki Suzuki
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Publication number: 20060249053Abstract: A burned product containing 100 parts by weight of C2S and 10 to 100 parts by weight in total of C3A and C4AF, a cement admixture obtained by grinding the burned product, and a cement containing 100 parts by weight of a ground Portland cement clinker and 5 to 100 parts by weight of the burned product. The cement is good in both initial strength and long-term strength.Type: ApplicationFiled: March 3, 2003Publication date: November 9, 2006Applicant: TAIHEIYO CEMENT CORPORATIONInventors: Hideyuki Sugaya, Kenichi Honma, Makihiko Ichikawa, Daisuke Sawaki, Shuuichi Harasawa
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Publication number: 20060127304Abstract: A hydrogen storage matter contains at least a nano-structured and organized lithium imide compound precursor complex. In the hydrogen stroge matter, the lithium imide compound precursor complex has been nano-structured and organized by mixing fine powder lithium amide with fine powder lithium hydride at a predetermined ratio to prepare a mixture as a starting material, and then processing the mixture by a predetermined complex formation processing method.Type: ApplicationFiled: February 9, 2006Publication date: June 15, 2006Applicants: NATIONAL UNIVERSITY CORPORATION HIROSHIMA UNIVERSITY, TAIHEIYO CEMENT CORPORATIONInventors: Hironobu Fujii, Takayuki Ichikawa, Haiyan Leng, Shigehito Isobe, Nobuko Hanada, Toyoyuki Kubokawa, Kazuhiko Tokoyoda, Keisuke Okamoto, Shinkichi Tanabe, Shigeru Matsuura, Kenji Ogawa
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Patent number: 7048784Abstract: An exhaust gas treatment method including: (A) a step of treating exhaust gas from cement manufacturing equipment by using a dust collector 9 to collect dust containing chlorinated organic compounds, and discharging the exhaust gas after the treatment by the dust collector 9, and (B) a step of charging all or part of the dust collected by the dust collector 9 into a place (e.g. a rotary kiln 5, a pre-calciner 6, and a cyclone 4d) having a temperature of at least 800° C. inside the cement manufacturing equipment. The remainder of the dust from step (B) maybe charged into a place (e.g. a raw material supply passage 3) having a temperature below 800° C. inside the cement manufacturing equipment, provided the amount of the remainder to be charged is smaller than a certain amount. Chlorinated organic compounds such as dioxins in the exhaust gas can be decomposed efficiently to be made harmless, merely by including simple and low-cost means (e.g. a dust feeding means 12, etc.).Type: GrantFiled: January 20, 2004Date of Patent: May 23, 2006Assignee: Taiheiyo Cement CorporationInventors: Junichi Terasaki, Yasuhiro Uchiyama, Osamu Yamaguchi, Harutoshi Kidachi, Masafumi Nakazaki, Kouji Kondou
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Patent number: 6997984Abstract: A burned product containing 100 parts by weight of C2S, 10 to 100 parts by weight of C2AS, and 20 parts by weight or less of C3A; a cement admixture prepared by grinding the burned product; and a cement containing 100 parts by weight of ground portland cement clinker and 5 to 100 parts by weight of a ground product of the burned product.Type: GrantFiled: March 19, 2003Date of Patent: February 14, 2006Assignee: Taiheiyo Cement CorporationInventors: Daisuke Sawaki, Shuuichi Harasawa, Kenichi Honma, Makihiko Ichikawa
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Patent number: 6951048Abstract: A method for producing a stacked piezoelectric element by alternately stacking a plurality of layers of an electrode material and piezoelectric layers having an electro-mechanical energy converting function and provided with penetrating electrodes, which are obtained by forming through holes in each piezoelectric layer and filling such through holes with the electrode material, to be connected at a contact portion with a layer of the electrode material and sintering the thus stacked layers, includes a step of forming, on a first layer of the electrode material, a second layer of electrode material by printing at a peripheral area of the contact portion between the first layer of the electrode material and the penetrating electrodes.Type: GrantFiled: November 5, 2003Date of Patent: October 4, 2005Assignees: Canon Kabushiki Kaisha, Taiheiyo Cement CorporationInventors: Yutaka Maruyama, Nobuyuki Kojima, Toru Ezaki, Takahiro Yamakawa
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Patent number: 6933657Abstract: A stacked electro-mechanical energy conversion element includes a plurality of layers having a circular shape each of which is formed of a material having an electro-mechanical energy conversion function and has a through-hole in the center thereof, a plurality of electrode portions formed at least on one surface of the layers and separated from each other by a plurality of first non-electrode portions, a plurality of wiring conductors which penetrate the plurality of layers and electrically connect electrode portions of the different layers, and a plurality of second non-electrode portions formed in the periphery of the wiring conductors so as to prevent the wiring conductors from being rendered conductive to the electrode portions, wherein the wiring conductors are formed at least on or in the vicinity of an edge of an outer diameter of each layer, and the electrode portions are formed over the edge of the outer diameter except for portions at which the second non-electrode portions are formed.Type: GrantFiled: March 22, 2002Date of Patent: August 23, 2005Assignees: Canon Kabushiki Kaisha, Taiheiyo Cement CorporationInventors: Yutaka Maruyama, Nobuyuki Kojima, Tooru Ezaki
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Patent number: 6882090Abstract: Of a plurality of surfaces forming its shape, a piezoelectric transformer 13A has two types of output electrodes 22 and 23 on one surface in the longitudinal direction and two opposing surfaces in the lateral direction. This piezoelectric transformer 13A can be driven by properly switching first and second resonance modes different from each other. In a strobe apparatus, a discharge capacitor 3 is charged by a voltage generated in the output voltage 23 when the piezoelectric transformer 13A is driven in the first resonance mode, and a discharge tube 4 is triggered by a voltage generated in the output electrode 22 when the piezoelectric transformer 13A is driven in the second resonance mode.Type: GrantFiled: October 24, 2002Date of Patent: April 19, 2005Assignee: Taiheiyo Cement CorporationInventors: Takeshi Fujimura, Masaaki Toyama, Katsuyuki Ishikawa
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Patent number: 6873086Abstract: A strobe apparatus has a discharge capacitor charged by a voltage generated in the output voltage when a piezoelectric transformer is driven in the first resonance mode, and a discharge tube is triggered by a voltage generated in the output electrode when the piezoelectric transformer is driven in the second resonance mode. The transformer has two types of output electrodes and on one surface in the longitudinal direction and two opposing surfaces in the lateral direction. It can be driven by properly switching first and second resonance modes different from each other.Type: GrantFiled: June 17, 2004Date of Patent: March 29, 2005Assignee: Taiheiyo Cement CorporationInventors: Takeshi Fujimura, Masaaki Toyama, Katsuyuki Ishikawa
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Publication number: 20040244265Abstract: A light-emitting lure (10A) comprises a lure fish body (11), a light-emitting diode (21) arranged in the lure fish body (11) such that the light-emitting diode (21) can be observed from the outside, a substantially flat plate-like piezoelectric element (22) as a power source for allowing the light-emitting diode (21) to emit light, a power transmitting circuit (30) for transmitting the electricity generated from the piezoelectric element (22) to the light-emitting diode (21), a pair of hooks (15a, 15b) for fishing the catch, eye metallic parts (14b, 14c) for mounting the hooks (15a, 15b) to the lure fish body (11), and an eye metallic part (14a) for mounting a fishing line to the lure fish body (11).Type: ApplicationFiled: September 22, 2003Publication date: December 9, 2004Applicants: Taiheiyo Cement Corporation, VOC Direct Corporation, Shigeji NakataniInventors: Noboru Miyata, Noriaki Hayama, Shigeji Nakatani, Koji Sunahara
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Publication number: 20040222718Abstract: A strobe apparatus has a discharge capacitor charged by a voltage generated in the output voltage when a piezoelectric transformer is driven in the first resonance mode, and a discharge tube is triggered by a voltage generated in the output electrode when the piezoelectric transformer is driven in the second resonance mode. The transformer has two types of output electrodes and on one surface in the longitudinal direction and two opposing surfaces in the lateral direction. It can be driven by properly switching first and second resonance modes different from each other.Type: ApplicationFiled: June 17, 2004Publication date: November 11, 2004Applicant: Taiheiyo Cement CorporationInventors: Takeshi Fujimura, Masaaki Toyama, Katsuyuki Ishikawa
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Publication number: 20040088842Abstract: The invention discloses a stacked piezoelectric element comprising a plurality of piezoelectric layers and electrode layers stacked alternately in which the electrode layers are electrically connected by a penetrating electrode formed in a conductive hole formed in a direction of the thickness of the piezoelectric layers, and in which the penetrating electrode formed in a piezoelectric layer of a first layer is so positioned as to overlap with the penetrating electrode formed in a piezoelectric layer of a first layer in the direction of thickness.Type: ApplicationFiled: November 5, 2003Publication date: May 13, 2004Applicants: CANON KABUSHIKI KAISHA, TAIHEIYO CEMENT CORPORATIONInventors: Yutaka Maruyama, Nobuyuki Kojima, Toru Ezaki, Takahiro Yamakawa
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Patent number: 6668437Abstract: A method for producing a stacked piezoelectric element alternately stacks a plurality of layers of an electrode material and piezoelectric layers having an electric mechanical energy converting function and provided with penetrating electrodes, obtained by forming through holes in each piezoelectric layer and filling the through holes with the electrode material, to be connected at a contact portion with a layer of the electrode material and sinters the stacked layers. The method includes the step of forming, on a layer of the electrode material, a second layer of electrode material by screen printing at a peripheral area of the contact portion between the layer of the electrode material and the penetrating electrodes.Type: GrantFiled: June 19, 2000Date of Patent: December 30, 2003Assignees: Canon Kabushiki Kaisha, Taiheiyo Cement CorporationInventors: Yutaka Maruyama, Nobuyuki Kojima, Toru Ezaki, Takahiro Yamakawa
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Patent number: 6630020Abstract: A cement additive composition for preventing discoloration of the surface of concrete, comprising a cement additive (a) and a water-reducing admixture (b), the additive (a) comprising a mixture of compounds represented by the general formula (1): R1O(AO)n1H (1) (wherein R1 is a C1-6 alkyl group, A is an ethylene group and/or a propylene group, and n1 is a number of 1 or more), containing all the compounds satisfying n1=2 to 6 in a total amount of not less than 40% by mass, and having an average n1 of 1.5 to 10, a molecular weight distribution Mw/Mn of not less than 1.05, a Z average molecular weight Mz of not less than 200 and a ratio of (a):(b) by mass of (5 to 99.5):(95 to 0.5). It can prevent the discoloration of the surface of concrete.Type: GrantFiled: August 15, 2001Date of Patent: October 7, 2003Assignees: Sanyo Chemical Industries, Ltd., Taiheiyo Cement CorporationInventors: Yoshihide Shimoyama, Takashi Ayata, Satoshi Tanaka, Fumiaki Hondo
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Patent number: 6631062Abstract: An electrically conductive ceramics comprises a compound containing at least one element belonging to the Group 3A of the periodic table and TiO2−x (0<x<2) in a range such that the TiO2−x (0<x<2) accounts for 1 to 60 wt % of the total amount of the ceramics, and at least part of the compound and the TiO2−x form a composite oxide.Type: GrantFiled: December 6, 1999Date of Patent: October 7, 2003Assignees: Nihon Ceratec Co., Ltd., Taiheiyo Cement CorporationInventors: Kazuyoshi Minamisawa, Hiroyuki Matsuo, Sari Endoh, Yukio Kishi, Kazunori Saitoh, Hiroshi Suzuki, Motohiro Umezu, Mamoru Ishii, Hironori Ishida, Youichi Shirakawa, Norikazu Sashida
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Publication number: 20030102775Abstract: Of a plurality of surfaces forming its shape, a piezoelectric transformer 13A has two types of output electrodes 22 and 23 on one surface in the longitudinal direction and two opposing surfaces in the lateral direction. This piezoelectric transformer 13A can be driven by properly switching first and second resonance modes different from each other. In a strobe apparatus, a discharge capacitor 3 is charged by a voltage generated in the output voltage 23 when the piezoelectric transformer 13A is driven in the first resonance mode, and a discharge tube 4 is triggered by a voltage generated in the output electrode 22 when the piezoelectric transformer 13A is driven in the second resonance mode.Type: ApplicationFiled: October 24, 2002Publication date: June 5, 2003Applicant: Taiheiyo Cement CorporationInventors: Takeshi Fujimura, Masaaki Toyama, Katsuyuki Ishikawa
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Patent number: 6564015Abstract: In an electronic flash device, a driving circuit (12) drives a piezoelectric transformer (13) in response to an oscillation signal of a predetermined frequency, which is output from an oscillation circuit (11). A switch (14) is provided in series in a line that connects the output of the piezoelectric transformer (13) and a capacitor (3). When the switch (14) is ON, the output voltage from the piezoelectric transformer (13) is rectified by a rectifier circuit, and charges the discharge capacitor (3) as electric energy for discharging a discharge tube (4). When the switch (14) is turned off, and the output voltage from the piezoelectric transformer (13) is applied to the discharge tube (4), the discharge tube (4) emits flash light by the electric energy stored in the discharge capacitor (3) in response to that applied voltage as a trigger.Type: GrantFiled: October 29, 2001Date of Patent: May 13, 2003Assignees: Taiheiyo Cement Corporation, Stanley Electric Co., Ltd.Inventors: Katsuyuki Ishikawa, Takeshi Fujimura, Toshiyuki Terada, Tatsuya Goto
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Publication number: 20030051396Abstract: A cement kiln from which its brick lining has been removed, or a rotary dryer for cement production is used as a fermentation treatment apparatus 202 for converting waste matter into compost. The waste matter to be subjected to the fermentation treatment includes city waste contained in garbage bags, and its fermentation treatment is carried out by introducing the waste matter directly into the aforesaid cement kiln or the aforesaid rotary dryer for cement production without tearing the aforesaid garbage bags.Type: ApplicationFiled: March 20, 2002Publication date: March 20, 2003Applicant: Taiheiyo Cement CorporationInventors: Masayoshi Arai, Tatsuro Watanabe, Akira Saito, Sachio Nakazaki, Toshihisa Maruta, Hiroyuki Takano
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Publication number: 20030023127Abstract: Chlorine-containing waste is processed inside a heating device, an alkali metal compound and a calcium compound are given into the heating device while the temperature of a solid phase inside the heating device is maintained at 400 to 1500° C., chlorine that is contained in the chlorine-containing waste and that has not been bound by the alkali metal compound is bound in the solid phase by the calcium compound, and chlorine is converted into alkali metal chloride from calcium chloride generated in the course of the processing of the chlorine-containing waste.Type: ApplicationFiled: July 30, 2002Publication date: January 30, 2003Applicant: Taiheiyo Cement CorporationInventors: Yasushi Yamamoto, Hisanori Aoyama, Tomohisa Yoshikawa, Takemi Aizawa, Takamiki Tamashige, Norihiko Misaki, Michio Matsuno, Yoshimasa Muraoka