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Fujinaga, JP

Akihiro Fujinaga, Miyazaki JP

Patent application numberDescriptionPublished
20080238319Method for Forming Barrier Ribs of Plasma Display Panel - The present invention forms barrier ribs by using a glass sheet so that it becomes possible to reduce the cost of forming the barrier ribs, and to easily form the barrier ribs and electrodes. A dry film, which is fired to be formed into a dielectric layer, is formed on a substrate, a glass sheet having a thickness corresponding to a height of barrier ribs to be formed is secured onto the dry film, and a resist pattern corresponding to a shape of barrier ribs is formed on the glass sheet so that, by cutting off the glass sheet corresponding to unnecessary portions through sand blasting, the glass sheet is formed into the shape of barrier ribs, and the dry film is fired at a temperature lower than softening points of the substrate and the glass sheet so that the substrate and the glass sheet are anchored by the dielectric layer corresponding to the fired dry film; thus, the barrier ribs are formed.10-02-2008

Hiroyuki Fujinaga, Tokyo JP

Patent application numberDescriptionPublished
20100260202Communication Device, Communication System, Communication Method and Program - [Object] Object of the present invention is to provide a communication device capable of reliably ensuring the compatibility of the communication when a higher level application includes one or a plurality of protocols.10-14-2010

Hiroyuki Fujinaga, Kanagawa JP

Patent application numberDescriptionPublished
20090193139COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, COMMUNICATION METHOD AND PROGRAM - A communication apparatus includes a physical layer to perform signal transmission/reception with another communication end, and a data transfer section (DTL) to connect an upper level user application and the physical layer. The DTL includes a profile ID addition section to add a profile ID indicating the type of a data file to a transmission data file based on an instruction from the user application and continuously transmits the data file with the profile ID through the physical layer.07-30-2009
20090196309COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, COMMUNICATION METHOD AND PROGRAM - A communication apparatus includes a physical layer to perform signal transmission/reception with another communication end, and a protocol conversion section (PCL) to connect an upper level user application and the physical layer. The protocol conversion section includes a parameter extraction section to extract a prescribed parameter from communication start request data (CBW) transmitted from the user application, and a header addition section to add a header containing the extracted parameter to transmission data transmitted from the user application, and the physical layer transmits the transmission data with the header.08-06-2009

Ippei Fujinaga, Yamaguchi JP

Patent application numberDescriptionPublished
20090237860FEEDSTOCK COMPOSITION AND RAW COKE FOR ELECTRICITY STORAGE CARBON MATERIAL AND NEEDLE COKE - The present invention provides feedstock compositions for use of the production of an activated carbon for electric double layer capacitor electrodes or the production of needle coke, comprising a first heavy oil with an initial boiling point of 300° C. or higher, an asphalten content of 12 percent by mass or less, a saturate content of 50 percent by mass or more and a sulfur content of 0.3 percent by mass or less, produced as a residue resulting from vacuum-distillation of a petroleum-based oil and a second heavy oil with an initial boiling point of 150° C. or higher and a sulfur content of 0.5 percent by mass or less, produced by subjecting a hydrocarbon oil to fluidized catalytic cracking.09-24-2009
20090268375RAW COKE FOR ELECTRICITY STORAGE CARBON MATERIAL AND NEEDLE COKE - The present invention provides a raw coke having such a structure that the graphitized product resulting from graphitization of the raw coke at a temperature of 2800° C. under an inactive gas atmosphere will have ratios of the crystallite size to the lattice constant of 360 or less in the (002) plane and 1500 or less in the (110) plane, as a raw coke providing active carbon produced by alkali-activating the raw coke, which is reduced in remaining alkali content and can simplify washing operation because washing liquid can easily pass through the activated carbon, or as a raw coke for the production of needle coke.10-29-2009
20110186478PROCESS FOR PRODUCING NEEDLE COKE FOR GRAPHITE ELECTRODE AND STOCK OIL COMPOSITION FOR USE IN THE PROCESS - The invention provides a stock oil composition for needle coke for a graphite electrode, the stock oil composition having a 10 vol % distillation temperature of 280° C. or higher as the distillation property, and when separated into the aromatic component and non-aromatic component by elution chromatography, having an aromatic component content of 30-80 wt % with respect to the total weight of the stock oil composition and an aromatic component molecular weight of 255-1300, as well as a non-aromatic component normal paraffin content of at least 5 parts by weight with respect to 100 parts by weight of the aromatic component.08-04-2011

Ippei Fujinaga, Kuga-Gun JP

Patent application numberDescriptionPublished
20080304206Raw Oil Composition for Carbon Material for Electric Double Layer Capacitor Electrode - The present invention provides a raw oil composition for manufacturing a carbon material for electric double layer capacitor electrodes, characterized in that the raw oil composition comprises 25 wt % or more of a saturated component and 16 wt % or less of an asphaltene component among the saturated component, an aromatic component, a resin component, and the asphaltene component obtained by developing of the raw oil composition by thin-layer chromatography; the raw oil composition has an average molecular weight of 960 or less; and the raw oil composition has an aromatic-carbon-fraction (fa) of 0.22 to 0.72. Use of the raw oil composition provides a carbon material for electric double layer capacitor electrodes that can exhibit high capacitance with high reproducibility without manufacturing synthetic pitch.12-11-2008
20110253593RAW COKE FOR ELECTRICITY STORAGE CARBON MATERIAL AND NEEDLE COKE - The present invention provides a raw coke having such a structure that the graphitized product resulting from graphitization of the raw coke at a temperature of 2800° C. under an inactive gas atmosphere will have ratios of the crystallite size to the lattice constant of 360 or less in the (002) plane and 1500 or less in the (110) plane, as a raw coke providing active carbon produced by alkali-activating the raw coke, which is reduced in remaining alkali content and can simplify washing operation because washing liquid can easily pass through the activated carbon, or as a raw coke for the production of needle coke.10-20-2011
20110267737RAW COKE FOR ELECTRICITY STORAGE CARBON MATERIAL AND NEEDLE COKE - The present invention provides a raw coke having such a structure that the graphitized product resulting from graphitization of the raw coke at a temperature of 2800° C. under an inactive gas atmosphere will have ratios of the crystallite size to the lattice constant of 360 or less in the (11-03-2011

Ippei Fujinaga, Tokyo JP

Patent application numberDescriptionPublished
20110288351RAW OIL COMPOSITION FOR NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY - The invention provides a stock oil composition for a carbon material for a negative electrode for a lithium ion secondary battery, having a 10 vol % distillation temperature of 280° C. or higher as the distillation property, a density of at least 0.90 g/cm11-24-2011

Katsumi Fujinaga, Yamaguchi JP

Patent application numberDescriptionPublished
20090081739PROCESS FOR PRODUCING AMINO ACIDS - The present invention provides: a process for producing an amino acid which comprises adding crystals of the amino acid having an average particle size of 1 to 120 μm to a medium so that the concentration of the crystals of the amino acid becomes 0.5 g/l or more, culturing a microorganism having the ability to produce the amino acid in the medium, allowing crystals of the amino acid to form and accumulate in the medium, and recovering the crystals of the amino acid from the culture; and a process for producing an amino acid which comprises adding crystals of the amino acid to a medium so that the total surface area of the crystals of the amino acid in the medium becomes 0.02 m03-26-2009

Kosaku Fujinaga, Fukuoka JP

Patent application numberDescriptionPublished
20080241625Solid oxide fuel cell stack - A solid oxide fuel cell stack includes a plurality of fuel cells, each having a cylindrical shape, a conductive member via which the fuel cells are electrically coupled, and a holding member surrounding the fuel cells and the conductive member. The holding member includes a pressing portion which presses the fuel cells and the conductive member in an electrically serial direction, and a fixing portion which fixes the pressing portion such that the fuel cells and the conductive member are constantly pressed.10-02-2008

Kosaku Fujinaga, Fukuoka-Ken JP

Patent application numberDescriptionPublished
20080254334Electrically Conductive Member for Solid Oxide Fuel-Stack - Disclosed is an electrically conductive member for electrically connecting a plurality of solid oxide fuel cells in series and/or parallel to assemble a fuel-cell stack. The electrically conductive member according to the present invention comprises a metal sheet having a three-dimensional porous structure of a continuous skeleton. The electrically conductive member according to the present invention is three-dimensionally strong and is highly elastic and resilient. Therefore, the thickness of the electrically conductive member can be easily re-regulated in the regulation of spacing between the fuel cells. Further, even after baking or power generation, the electrically conductive member is not sintered, and separation easily takes place in the folded interface, and, thus, excellent maintainability can be realized.10-16-2008

Masashi Fujinaga, Nagano JP

Patent application numberDescriptionPublished
20110256102PLANT DISEASE CONTROLLING COMPOSITION, PLANT DISEASE CONTROLLING METHOD, AND NOVEL MICROORGANISM - Disclosed are a plant disease controlling composition that contains as an active ingredient a microorganism belonging to genus 10-20-2011

Masashi Fujinaga, Chiba JP

Patent application numberDescriptionPublished
20090041608IRON-BASED POWDER MIXTURE, AND METHOD OF MANUFACTURING IRON-BASED COMPACTED BODY AND IRON-BASED SINTERED BODY - An iron-based powder mixture for powder metallurgy is provided, in which iron-based powder is blended with at least one selected from talc and steatite, and preferably further blended with metallic soap, thereby when a compacted body is sintered, furnace environment is not adversely affected, and excellent compaction performance is achieved even in a low temperature range of less than 100° C., and more preferably, an obtained sintered body has excellent machining performance.02-12-2009

Masataka Fujinaga, Yamaguchi JP

Patent application numberDescriptionPublished
20090108962Dielectric Filter for Base Station Communication Equipment - In a dielectric filter (04-30-2009

Seiya Fujinaga, Kawasaki-Shi JP

Patent application numberDescriptionPublished
20080243792IMAGE PROCESSING APPARATUS AND METHOD FOR CONTROLLING IMAGE PROCESSING APPARATUS - An apparatus includes a page designation unit configured to designate a page to be searched in a document file including a plurality of pages, an input unit configured to input a search key used to search the document file, and a search unit configured to perform character string search to search a keyword in the document file based on the search key. The search unit is capable of performing the character string search using a search key input by the input unit in a page of the document file designated by the page designation unit without performing the character string search in non-designated pages of the document file.10-02-2008
20080316223IMAGE GENERATION METHOD - A plurality of samples having different pairs of a background color and a text color, and entry fields provided in correspondence with the individual samples and configured to be filled in by a user are printed on a sheet. After the user has filled in the sheet, the sheet is read and analyzed, and color conversion based on the analysis result is performed. The user can view the samples printed on the sheet and can select one of the samples. Thus, even if default colors used for displaying or printing are colors that are difficult to distinguish for the user, the default colors can be reliably changed into desired colors to perform displaying or printing.12-25-2008
20090167783IMAGE DISPLAY METHOD, IMAGE DISPLAY APPARATUS, IMAGE RECORDING APPARATUS, AND IMAGE PICKUP APPARATUS - Data elements are extracted from data elements stored in a storage medium in accordance with two conditions and grouped into first and second groups. The data elements in the first group and those in the second group are displayed in regions distinguished from each other on a screen. In response to user manipulation, the screen is switched to a screen that allows searching data elements in the first or second group displayed in a region corresponding to the manipulation. In searching many diverse data elements stored in a data storage, the user can select a group from groups of data elements extracted by different conditions and search the data elements in the selected group. Accordingly, the user can search data elements more readily even when many diverse data elements are stored in the storage medium.07-02-2009
20100128312IMAGE COMBINING APPARATUS AND CONTROL METHOD FOR THE SAME - An image combining apparatus and a control method for an image combining apparatus that allows a user to write a handwritten image on a writing sheet while confirming the positional relationship between the handwritten image and a photograph to be combined. When a writing sheet having a handwriting area in which a user writes the handwritten image to be combined with a photograph is printed, a reference image generated on the basis of the photograph is printed in the handwriting area.05-27-2010
20110210995PRINTING APPARATUS - A setting unit that can set the start time when a user starts using a apparatus and a control unit that can make the apparatus enter a non-operation state in either first standby mode or second standby mode where the apparatus can be actuated from the non-operation state in a shorter time than in the first standby mode are provided. The control unit performs control to determine to which of the first standby mode and the second standby mode when the apparatus enters the non-operation state, based on the time difference between a time when an instruction to turn off the apparatus is issued and the start time set with the setting unit.09-01-2011
20110211009PRINT CONTROL APPARATUS AND METHOD - Whether a continuous sheet usable for printing on the basis of first print data and a continuous sheet usable for printing on the basis of second print data are the same or not is determined. If it is determined that they are the same, an image based on the first print data and an image based on the second print data are printed continuously on a continuous sheet. When an image based on the second print data is arranged at an end of a continuous sheet, the second print data is assigned to the beginning of print data to be printed on another continuous sheet.09-01-2011
20110211888IMAGE FORMING APPARATUS - An image forming apparatus arranged to produce groups of printed sheets. Each group includes a plurality of sequential sheets. The image forming apparatus includes a plurality of storage units each configured to store the printed sheets produced by an image forming unit, a sorter unit configured to sort the printed sheets of a group into a plurality of portions, wherein the sheets in each portion are in sequential order, and to output each of the portions to a different storage unit, and a display unit configured to display an indication of the storage unit storing the portion including the first or the last sheet of the group such that a user is directed to collect the portion including the first or the last sheet of the group from the indicated storage unit first.09-01-2011
20110242563IMAGE COMBINING APPARATUS AND CONTROL METHOD FOR THE SAME - An image combining apparatus and a control method for an image combining apparatus that allows a user to write a handwritten image on a writing sheet while confirming the positional relationship between the handwritten image and a photograph to be combined. When a writing sheet having a handwriting area in which a user writes the handwritten image to be combined with a photograph is printed, a reference image generated on the basis of the photograph is printed in the handwriting area.10-06-2011

Patent applications by Seiya Fujinaga, Kawasaki-Shi JP

Soichiro Fujinaga, Tokyo JP

Patent application numberDescriptionPublished
20090047458Image Receiving Sheet for Electrostatically Charged Liquid Development and Image Receiving Label for Electrostatically Charged Liquid Development - An object of the invention is to provide an image receiving sheet for electrostatically charged liquid development and an image receiving label for electrostatically charged liquid development having an image receiving layer excellent in adherence to liquid toner for electrostatic charge development and also in adherence to the substrate. As a means for solving it, the image receiving sheet for electrostatically charged liquid development of the invention is characterized by having an image receiving layer formed by applying a coating liquid containing an ethylene/methacrylic acid resin to at least one surface of a substrate followed by drying it.02-19-2009

Tadaaki Fujinaga, Kyoto JP

Patent application numberDescriptionPublished
20090290998ROTOR YOKE AND BALANCE ADJUSTING METHOD THEREOF - A rotor yoke includes a substantially flat or annular flat cover portion coaxial or substantially coaxial with a rotational axis and a substantially cylindrical side wall portion extending from an outer circumference of the cover portion in a parallel or substantially parallel relationship with the rotational axis. The rotor yoke further includes a substantially annular flange portion extending radially outwards from an open end of the side wall portion. The cover portion and the side wall portion define a cup portion whose center of gravity deviates from the rotational axis in a plane perpendicular or substantially perpendicular to the rotational axis, and the flange portion has an outer circumferential circle whose center deviates from the rotational axis in a direction opposite to the deviation direction of the center of gravity of the cup portion.11-26-2009

Takashi Fujinaga, Hyogo JP

Patent application numberDescriptionPublished
20110239629FLUE GAS PURIFYING DEVICE - An object of the present invention is to provide a flue gas purifying device that can suppress leakage of ammonia and can efficiently decrease nitrogen oxides in flue gas. The object is achieved by a flue gas purifying device including: an exhaust pipe; a urea-water injecting unit that injects urea water into the exhaust pipe; a catalytic unit that includes a urea SCR catalyst that promotes a reaction between ammonia and nitrogen oxides and a support mechanism that supports the urea SCR catalyst in the exhaust pipe, and is arranged on a downstream side to a position where urea water is injected; a concentration measuring unit arranged on a downstream side to the catalytic unit in a flow direction of flue gas to measure an ammonia concentration in flue gas having passed through the urea SCR catalyst; and a control unit that controls injection of urea water by the urea-water injecting unit based on an ammonia concentration measured by the concentration measuring unit.10-06-2011
20110252771FLUE GAS PURIFYING DEVICE - An object of the present invention is to provide a flue gas purifying device that can suppress leakage of ammonia and can efficiently decrease nitrogen oxides in flue gas. The object is achieved by including: an exhaust pipe that guides flue gas discharged from an internal combustion engine; a urea-water injecting unit that injects urea water into the exhaust pipe; a catalyst unit that includes a urea SCR catalyst that promotes a reaction between ammonia produced from injected urea water and nitrogen oxides and a support mechanism arranged inside of the exhaust pipe on a downstream side to a position where urea water is injected in a flow direction of the flue gas to support the urea SCR catalyst; an ammonia-concentration measuring unit that measures an ammonia concentration in flue gas at a measurement position in a region where the SCR catalyst is arranged; and an injection control unit that controls injection of urea water based on a measurement result acquired by the ammonia-concentration measuring unit.10-20-2011
20110293483FLUE GAS PURIFYING DEVICE - An object of the present invention is to provide a flue gas purifying device that can efficiently decrease nitrogen oxides in flue gas. This object is solved by including: an exhaust pipe that guides flue gas discharged from a burning appliance; a urea-water injecting unit that injects urea water into the exhaust pipe; a catalytic unit arranged on a downstream side to a position where urea water is injected in a flow direction of flue gas and having a urea SCR catalyst; a first ammonia-concentration measuring unit that measures a concentration of ammonia in flue gas at a measurement position in a region where the catalytic unit is arranged; a second ammonia-concentration measuring unit arranged on a downstream side to the catalytic unit in a flow direction of the flue gas, to measure a concentration of ammonia in the flue gas having passed through the urea SCR catalyst; and a control unit that controls injection of urea water by the urea-water injecting unit based on measurement results acquired by the first and second ammonia-concentration measuring units.12-01-2011

Takashi Fujinaga, Fukushima JP

Patent application numberDescriptionPublished
20090291371ANODE AND SECONDARY BATTERY INCLUDING THE SAME - A secondary battery having high cycle characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolyte. In the anode, an anode active material layer containing silicon, carbon, and oxygen as an anode active material is provided on an anode current collector. In the anode active material, a content of carbon is from 0.2 atomic % to 10 atomic % both inclusive, and a content of oxygen is from 0.5 atomic % to 40 atomic % both inclusive. A ratio from 0.1% to 17.29% both inclusive of the silicon contained in the anode active material exists as Si—C bond.11-26-2009
20100159337ANODE AND SECONDARY BATTERY - A secondary battery is provided that is capable of improving the cycle characteristics. The secondary battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated into a separator provided between the cathode and the anode. In the anode, an anode active material layer and a compound layer are provided on both faces of an anode current collector. The anode active material layer contains a plurality of anode active material particles. The anode active material particles have a multilayer structure of an anode active material containing silicon as an element. The thickness of each layer in the multilayer structure ranges from 50 nm to 1050 nm. Thus, contact characteristics between each layer, contact characteristics between the anode active material layer and the anode current collector, and current collectivity are improved.06-24-2010
20110159368LITHIUM-ION SECONDARY BATTERY, ANODE FOR LITHIUM-ION SECONDARY BATTERY, POWER TOOL, ELECTRIC VEHICLE AND ENERGY STORAGE SYSTEM - A lithium-ion secondary battery allowed to improve cycle characteristics and initial charge-discharge characteristics is provided. The lithium-ion secondary battery includes a cathode; an anode; and an electrolytic solution. The anode includes an anode active material layer including a plurality of anode active material particles. The anode active material particles each include a core section and a coating section applied to a part or a whole of a surface of the core section, and the core section includes a silicon-based material (SiO06-30-2011
20110192622ANODE FOR LITHIUM ION SECONDARY BATTERY, LITHIUM ION SECONDARY BATTERY, ELECTRIC POWER TOOL, ELECTRICAL VEHICLE, AND ELECTRIC POWER STORAGE SYSTEM - There is provided an anode for a lithium ion secondary battery capable of improving the cycle characteristics, a lithium ion secondary battery using the same, an electric power tool using the lithium ion secondary battery, an electrical vehicle using the lithium ion secondary battery, and an electric power storage system using the lithium ion secondary battery. The anode for a lithium ion secondary battery includes an anode active material layer in which a first layer and a second layer respectively containing silicon and a metal element as an anode active material are alternately layered on an anode current collector, and 1.02≦A/B≦50 is satisfied. A represents a silicon content ratio in the anode active material in the first layer, and B represents a silicon content ratio in the anode active material in the second layer.08-11-2011
20110192623ANODE FOR LITHIUM ION SECONDARY BATTERY, LITHIUM ION SECONDARY BATTERY, ELECTRIC TOOL, BATTERY CAR, AND ELECTRIC POWER STORAGE SYSTEM - A lithium ion secondary battery having superior cycle characteristic is provided. The lithium ion secondary battery includes a cathode, an anode and an electrolyte. The anode has an anode active material layer including a plurality of anode active material fibers containing silicon as an element provided on an anode current collector.08-11-2011

Patent applications by Takashi Fujinaga, Fukushima JP

Takeru Fujinaga, Hitachinaka JP

Patent application numberDescriptionPublished
20090126991SUBSTRATE FOR MOUNTING ELECTRONIC PART AND ELECTRONIC PART - The present invention is characterized by a structure having a substrate 05-21-2009

Tetsushi Fujinaga, Chiba JP

Patent application numberDescriptionPublished
20100330363RESIN SUBSTRATE - A resin substrate of the present invention has a resin layer and a surface layer formed on a surface of the resin layer, wherein the surface layer is a layer comprising silicon nitride as a main component and deposited by the chemical vapor deposition method, and at the interface between the resin layer and the surface layer, at the interface between the resin layer and the surface layer, an interfacial region over which a percentage changes from 80% to 20% has a thickness of not more than 25 nm, wherein the difference between the maximum nitrogen concentration in the surface layer and the steady-state nitrogen concentration in the resin layer is taken as 100%. The surface layer has an average surface roughness (Ra) of not more than 1 nm. The resin substrate has properties of water vapor barrier and surface flatness.12-30-2010

Tetsushi Fujinaga, Sammu-Shi JP

Patent application numberDescriptionPublished
20110155232PHOTOELECTRIC CONVERSION DEVICE MANUFACTURING METHOD, PHOTOELECTRIC CONVERSION DEVICE, AND PHOTOELECTRIC CONVERSION DEVICE MANUFACTURING SYSTEM - A photoelectric conversion device manufacturing method, includes: continuously forming a first p-type semiconductor layer, a first i-type semiconductor layer, and a first n-type semiconductor layer, which constitute a first-photoelectric conversion unit, and a second p-type semiconductor layer which constitutes a second-photoelectric conversion unit composed of a crystalline-silicon-based thin film, in a reduced-pressure atmosphere; exposing the second p-type semiconductor layer to an air atmosphere; and forming a second i-type semiconductor layer and a second n-type semiconductor layer, which constitute the second-photoelectric conversion unit, on the second p-type semiconductor layer which was exposed to an air atmosphere.06-30-2011
20110204466PHOTOELECTRIC CONVERSION DEVICE MANUFACTURING METHOD, PHOTOELECTRIC CONVERSION DEVICE, AND PHOTOELECTRIC CONVERSION DEVICE MANUFACTURING SYSTEM - A photoelectric conversion device manufacturing method, includes: continuously forming a first p-type semiconductor layer, a first i-type semiconductor layer, and a first n-type semiconductor layer, which constitute a first-photoelectric conversion unit, and a second p-type semiconductor layer which constitutes a second-photoelectric conversion unit, in decompression chambers that are different from each other; exposing the second p-type semiconductor layer to an air atmosphere; and forming a second i-type semiconductor layer and a second n-type semiconductor layer, which constitute the second-photoelectric conversion unit, on the second p-type semiconductor layer of the second-photoelectric conversion unit which was exposed to the air atmosphere, in the same decompression chamber.08-25-2011

Yasushi Fujinaga, Himeji-Shi JP

Patent application numberDescriptionPublished
20100024927PROCESS AND APPARATUS FOR PRODUCING SEMI-SOLIDIFIED SLURRY OF IRON ALLOY - A process for producing a semi-solidified slurry of an iron alloy including the steps of pouring a melt of an iron alloy into a semi-solidified slurry producing vessel 02-04-2010
20110193273PROCESS AND APPARATUS FOR PRODUCING SEMI-SOLIDIFIED SLURRY OF IRON ALLOY - A process for producing a semi-solidified slurry of an iron alloy including the steps of pouring a melt of an iron alloy into a semi-solidified slurry producing vessel 08-11-2011

Yasushi Fujinaga, Hyogo JP

Patent application numberDescriptionPublished
20120003115PROCESS FOR PRODUCTION OF SEMISOLIDIFIED SLURRY OF IRON-BASE ALLOY; PROCESS FOR PRODUCTION OF CAST IRON CASTINGS BY USING THE PROCESS, AND CAST IRON CASTINGS - A process for the production of a semi-solidified iron alloy slurry having a crystallized solid phase and a residual liquid phase, wherein a material having a hypoeutectic cast iron composition is used, and an additive agent having a boiling point that is lower than at least a crystallization initiation temperature of primary crystals of the material is added to a melt of the material when the melt temperature is within a specific temperature range of not lower than the crystallization initiation temperature of the primary crystals and not greater than a temperature that is 50° C. higher than the crystallization initiation temperature, to thereby simultaneously conduct the stirring of the melt by the boiling of the additive agent and the cooling of the melt to a temperature falling within a semi-solidification temperature range thereof.01-05-2012