Assignee: Taiheiyo Cement Corporation

Location: Tokyo, JP
No. of patents: 35

Number	Title	Issue Date
8133317	Cement additive and cement composition A cement additive contains industrial waste and has the effect of inhibiting formation of monosulfate in a hardened cementitious material. The cement additive contains specifically calcium carbonate, gypsum and coal ash and/or blast-furnace slag powder. This enables...	03/13/2012
7999205	Method of separating foreign particles In an electrostatic separator or a magnetic separator, prior to electrically charging or magnetization of particles in order to carry out separation of mixed powder of particles having different properties from each other, classification is performed by a classifier...	08/16/2011
7947242	Cement kiln chlorine/sulfur bypass system 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...	05/24/2011
7931706	Method and apparatus for fermentation 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 incl...	04/26/2011
7837963	Method for removing lead from cement burning furnace A method to efficiently reduce lead content of cement without exerting influence upon quality of the cement. The method comprises the steps of: controlling O2 concentration of combustion gas in an inlet end of a cement kiln to 5% or lower and/or CO concentration the...	11/23/2010
7749311	System and method for treating dust contained in extracted cement kiln combustion gas A treatment system to efficiently remove lead from dust contained in extracted cement kiln combustion gas while reducing facility and running costs. A treatment system 1 comprising a probe 3 for extracting a part of combustion gas, while cooling it, fr...	07/06/2010
7722717	Hydraulic composition 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 hydra...	05/25/2010
7703610	Method for removal of unburned carbon contained in fly ash Disclosed is a method for removal of an unburned carbon contained in a fly ash material. The method comprises the steps of adding water to the fly ash to prepare a fly ash slurry; shearing the fly ash slurry using an agitating blade that can rotate at a high speed t...	04/27/2010
7537748	Hydrogen storage matter and manufacturing method and apparatus for the same 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 ami...	05/26/2009
7535155	Piezoelectric device and piezoelectric switch provided with the same There are provided a piezoelectric device, in which piezoelectric element surfaces are prevented from cracking and warping by reducing tensile stress generated within the piezoelectric element by an external force, and a piezoelectric switch utilizing the same. ...	05/19/2009
7465350	Hydraulic composition A hydraulic composition of the present invention includes (A) 100 parts by weight of cement having a Blaine specific surface area of 2,500 to 5,000 cm2/g, (B) 10 to 40 parts by weight of fine particles having a BET specific surface area of 5 to 25 m2...	12/16/2008
7355326	Piezoelectric transformer A piezoelectric transformer, which operates in a half wavelength mode, includes an input part having input electrodes laminated in a thickness direction on a central part in a longitudinal direction of a piezoelectric element with rectangular shape, in which the inp...	04/08/2008
7285141	Method and apparatus for fermentation 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 incl...	10/23/2007
7048784	Method and system for treating exhaust gas from cement manufacturing equipment 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 ...	05/23/2006
6997984	Cement admixture 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...	02/14/2006
6951048	Method for producing a stacked piezoelectric element 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 obtaine...	10/04/2005
6933657	Stacked electro-mechanical energy conversion element and method of manufacturing the same 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 e...	08/23/2005
6882090	Piezoelectric transformer and strobe apparatus having the piezoelectric transformer 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 transf...	04/19/2005
6873086	Piezoelectric transformer and strobe apparatus having the piezoelectric transformer 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 piezoe...	03/29/2005
6564015	Electronic flash device 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 lin...	05/13/2003
6486612	Control circuit and method for protecting a piezoelectric transformer from an open state and a short-circuited state In a piezoelectric transformer control circuit, when a load (2) is disconnected from a piezoelectric transformer (1) and changes to an open state, an output detection voltage (Vdet) becomes higher than a reference voltage (Vref2), and the output from a vo...	11/26/2002
6437027	Process for producing dispersant for powdery hydraulic composition The present invention relates to a process for producing a powdery dispersant for preparing hydraulic compositions, which process includes adding an reducing agent to a solution predominantly containing a polycarboxylate polymer compound having a polyalky...	08/20/2002
6358311	Additives for cement materials and cement materials New alkanolamine additives for improving the compressive strength, etc. of set cementitious compositions such as Portland cement concrete are described as having at least one alkanolamine or the salt thereof containing at least one alkanol group, and at l...	03/19/2002
6342752	Piezoelectric transformer element and method of mounting it in a housing Mount terminals (32-34) formed on the end faces of a housing (31) in the longitudinal direction respectively abut against external electrodes (1, 2) which are formed on an end face of a piezoelectric element (6) in the longitudinal direction and used to a...	01/29/2002
6303844	Method of decontaminating medium containing polychlorinated biphenyls or dioxins A method of decontaminating a medium containing polychlorinated biphenyls (PCBs) or dioxins is disclosed. The contaminated medium is brought into contact with hairy roots derived through introduction of an Ri plasmid from Agrobacterium rhizogenes into a p...	10/16/2001
6291932	Stacked piezoelectric element and producing method therefor A stacked piezoelectric element includes 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 ...	09/18/2001
6262518	Housing for piezoelectric transformer device Mount terminals (4a, 5a, 6) are formed on end faces of a housing (1). These mount terminals serve to mount the housing (1) on a circuit board and also serves as lead electrodes for the outer and output electrodes of a piezoelectric device to be housed in ...	07/17/2001
6239558	System for driving a cold-cathode fluorescent lamp connected to a piezoelectric transformer In a piezoelectric transformer control circuit for driving a load (2) connected to a piezoelectric transformer (1), an oscillation signal as a basis of driving of the piezoelectric transformer (1) is oscillated, and the piezoelectric transformer (1) is dr...	05/29/2001
6198198	Control circuit and method for piezoelectric transformer When an input voltage rises, (the amplitude of) a sine-wave voltage for driving a piezoelectric transformer (1) increases, so that a detection voltage (Vti) rectified by a rectifying circuit (9) also increases. An output voltage from an error amplifier (1...	03/06/2001
6193176	Cement clinker grinding method using vertical roller mill and apparatus A method of grinding cement clinkers and a cement clinker grinding apparatus having a vertical roller mill are provided. In the method, feed material is ground by a table and rollers. Next, substantially all the resultant ground material is taken out from...	02/27/2001
6172447	Piezoelectric transformer device In a piezoelectric transformer device (36), a plurality of inner electrodes are stacked on each other on the left side. These inner electrodes are alternately connected to each other through interlevel connection conductors to constitute two inner electro...	01/09/2001
6114798	Stacked element and vibration drive device A vibration drive device including a stack element in which a plurality of layers of an electromechancial energy transducing material and layers of an electrode material are stacked alternately, and a vibrating body is arranged to vibrate with vibration o...	09/05/2000
6017213	Method and apparatus for cooling exhaust gas in a kiln by-pass A probe having a double-tubed structure is provided to communicate with a kiln exhaust gas flowing path. A part of kiln exhaust gas is extracted through an inner tube of the probe, while cooling gas is supplied to a fluid flowing path formed between the i...	01/25/2000
5975309	Fluidized-bed classifier A fluidized-bed classifier has a vessel defining a space divided into an upper fluidized-bed chamber and a lower gas chamber by a perforated dispersion plate having the shape of a funnel. Rising currents of a gas, such as air, are blown through the disper...	11/02/1999
5936327	Electro-mechanical energy conversion device for vibration driven actuator and its manufacturing method In an electro-mechanical energy conversion device which is disclosed, green sheets on which whole surface electrodes for grounding have been printed and green sheets on which 2-divided electrodes have been printed are laminated. The green sheets having th...	08/10/1999

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Assignee: Taiheiyo Cement Corporation