THE JAPAN STEEL WORKS, LTD. Patent applications |
Patent application number | Title | Published |
20160133902 | PROCESS FOR PRODUCING CELLULOSE-NANOFIBER-FILLED MICROPOROUS STRETCHED POLYOLEFIN FILM, MICROPOROUS CELLULOSE-NANOFIBER COMPOSITE FILM, AND SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY - A method for producing a cellulose nanofiber-containing polyolefin microporous stretched film according to the invention includes: a first step of obtaining a cellulose powder dispersion mixture by uniformly dispersing a cellulose which has a powder particle shape and whose hydroxyl groups have been subjected to a lipophilizing treatment using a dibasic acid anhydride, in a plasticizer; a second step of melt-kneading the cellulose powder dispersion mixture and a polyolefin to obtain a polyolefin resin composition; a third step of extrusion-molding the polyolefin resin composition to obtain an extrudate; a fourth step of stretching the extrudate with a film stretcher to obtain a film; a fifth step of extracting out the plasticizer from the film; and a sixth step of thermally fixing the film from which the plasticizer has been extracted out for inhibiting contraction, while stretching the film at a temperature not higher than a melting point of the polyolefin, in which a twin-screw kneading extruder is used only once throughout the second and third steps. | 05-12-2016 |
20160132621 | SIMULATION APPARATUS, SIMULATION METHOD AND NON-TRANSITORY COMPUTER-READABLE MEDIUM HAVING SIMULATION PROGRAM - A simulation apparatus includes an 1D analysis unit which performs a low-dimensional fluid-flow analysis of material in an arithmetic object field of a kneading device, based on setting information including physical property of the material, and configuration data and an operation condition of the kneading device for kneading the material, an area selection unit which receives selection of an object area as an object of a high-dimensional fluid-flow analysis in the arithmetic object field, and a 3D analysis unit which extracts physical quantities of the material relating to the object area, based on a result of the low-dimensional fluid-flow analysis, and performs a high-dimensional fluid-flow analysis of the material in the object area, based on the extracted physical quantities and the setting information. | 05-12-2016 |
20160040277 | NI-BASED SUPERALLOY WITH EXCELLENT UNSUSCEPTIBILITY TO SEGREGATION - A subject for the invention is to diminish the occurrence of streak-type segregation in producing a material comprising a Ni-based superalloy. The invention relates to a Ni-based superalloy having excellent unsusceptibility to segregation, characterized by comprising: 0.005 to 0.15 mass % of C; 8 to 22 mass % of Cr; 5 to 30 mass % of Co; equal or greater than 1 and less than 9 mass % of Mo; 5 to 21 mass % of W; 0.1 to 2.0 mass % of Al; 0.3 to 2.5 mass % of Ti; up to 0.015 mass % of B; and up to 0.01 mass % of Mg, with the remainder comprising Ni and unavoidable impurities. | 02-11-2016 |
20160001510 | MANUFACTURING METHOD FOR FIBRE-REINFORCED RESIN SUBSTRATE OR RESIN MOLDED ARTICLE, AND PLASTICIZING EXHAUSTER USED IN MANUFACTURING METHOD - The present invention provides a method for manufacturing a fiber-reinforced resin substrate or a resin molded body, the method being capable of effectively performing impregnation of a reinforcing fiber material with a thermoplastic resin and having high productivity and economical efficiency, and an extruder for use in the manufacturing method. The manufacturing method of the invention is a method for manufacturing a fiber-reinforced resin substrate or resin molded body obtained by impregnating a reinforcing fiber material with a thermoplastic resin, including placing the reinforcing fiber material on a molten resin of the thermoplastic resin and pressurizing the same to impregnate the reinforcing fiber material with the molten thermoplastic resin, and subsequently, cooling and solidifying the reinforcing fiber material impregnated with the molten thermoplastic resin. | 01-07-2016 |
20150354039 | FE-NI-BASED ALLOY HAVING EXCELLENT HIGH-TEMPERATURE CHARACTERISTICS AND HYDROGEN EMBRITTLEMENT RESISTANCE CHARACTERISTICS, AND METHOD FOR PRODUCING THE SAME - The present invention relates to an Fe—Ni-based alloy having excellent high-temperature characteristics and hydrogen embrittlement resistance, which has a composition containing, in terms of % by mass, C: 0.005% to 0.10%, Si: 0.01% to 0.10%, P: 0.015% or less, S: 0.003% or less, Ni: 23.0% to 27.0%, Cr: 12.0% to 16.0%, Mo: 0.01% or less, Nb: 0.01% or less, W: 2.5% to 6.0%, Al: 1.5% to 2.5%, and Ti: 1.5% to 2.5%, the balance being Fe and other unavoidable impurities. | 12-10-2015 |
20150332923 | LASER ANNEALING APPARATUS AND LASER ANNEALING METHOD - The present invention provides an efficient heat treatment such as activation treatment of impurities on a substrate such as a thick silicon wafer with large heat capacity by laser annealing. | 11-19-2015 |
20150326078 | MOTOR ROTOR SUPPORT AND METHOD FOR MANUFACTURING SAME - An object of the present invention is to provide a motor rotor support suitable for an axial gap motor and a method for manufacturing the same. The motor rotor support for supporting a magnetic body disposed on a rotor of a motor is configured by a nonmagnetic steel having a relative permeability of less than 1.005 and a 0.2% yield strength at room temperature of 550 MPa or more. | 11-12-2015 |
20150314513 | CONTINUOUS EXTRUSION DEVICE BASED ON TWIN SCREW EXTRUDER - The present invention performs, by using a pair of filters, continuous operation of a twin screw extruder even during replacement of a filter. The continuous extrusion device based on a twin screw extruder of the present invention has a pair of filters ( | 11-05-2015 |
20150314512 | VENT ASSEMBLY DEVICE FOR TWIN-SCREW EXTRUDER - The vent assembly device for a twin-screw extruder according to the present invention includes a vent assembly ( | 11-05-2015 |
20150225827 | NI-BASED ALLOY HAVING EXCELLENT HYDROGEN EMBRITTLEMENT RESISTANCE, AND METHOD FOR PRODUCING NI-BASED ALLOY MATERIAL - An object is to provide a Ni-based alloy having high strength and excellent hydrogen embrittlement resistance even in a high-temperature and high-pressure environment and particularly capable of being used for an ammonothermal pressure vessel and the like. The present invention relates to a Ni-based alloy including, in terms of mass ratios, Fe: 30 to 40%, Cr: 14 to 16%, Ti: 1.2 to 1.7%, Al: 1.1 to 1.5%, Nb: 1.9 to 2.7%, and P: 40 to 150 ppm, with the remainder being Ni and unavoidable impurities. | 08-13-2015 |
20150197071 | COATING STRUCTURE MATERIAL - The invention is to provide a coating structure material excellent in Mg corrosion resistance, which has resistance to corrosion caused by molten Mg and molten Mg alloys. The invention relates to a coating structure material including an Ni—Co-base alloy substrate and a Co-base alloy coating layer formed on the Ni—Co-base alloy substrate, wherein the Co-base alloy coating layer contains, in terms of % by mass, Ni: 20% or less, Co: 42% or more, Si: 2.8% or less, and Fe: 3.5% or less. | 07-16-2015 |
20150182928 | METHOD OF MANUFACTURING A PRESSURE VESSEL FOR GROWING SINGLE CRYSTALS - An object of the present invention is to manufacture single crystals of high quality on an industrial production scale by preventing impurities from being mixed in single crystals when the single crystals are produced by the solvothermal method. | 07-02-2015 |
20150158001 | DEVICE FOR PRODUCING NANOCARBON - Using a device for producing nanocarbon, a fluidized bed is formed by supplying a low hydrocarbon and oxygen to a fluid catalyst, and nanocarbon and hydrogen are produced by a decomposition reaction of the low hydrocarbon accompanied by a self-combustion of the low hydrocarbon and the oxygen. The device includes: a fluidized bed reactor for containing the fluid catalyst and for causing the self-combustion thereof while being supplied with the low hydrocarbon and the oxygen; a gas supplying unit connected to the fluidized bed reactor for supplying the low hydrocarbon and the oxygen to the fluidized bed reactor; an exhaust gas path connected to the fluidized bed reactor for exhausting an exhaust gas in the fluidized bed reactor to outside; and a supplying unit connected to the fluidized bed reactor for supplying the fluid catalyst to the fluidized bed reactor. | 06-11-2015 |
20150152532 | HIGH-STRENGTH LOW-ALLOY STEEL EXCELLENT IN HIGH-PRESSURE HYDROGEN ENVIRONMENT EMBRITTLEMENT RESISTANCE CHARACTERISTICS AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide at a low cost a low-alloy steel having a high strength and excellent high-pressure hydrogen environment embrittlement resistance characteristics under a high-pressure hydrogen environment. The invention is a high-strength low-alloy steel having high-pressure hydrogen environment embrittlement resistance characteristics, which has a composition comprising C: 0.10 to 0.20% by mass, Si: 0.10 to 0.40% by mass, Mn: 0.50 to 1.20% by mass, Ni: 0.75 to 1.75% by mass, Cr: 0.20 to 0.80% by mass, Cu: 0.10 to 0.50% by mass, Mo: 0.10 to 1.00% by mass, V: 0.01 to 0.10% by mass, B: 0.0005 to 0.005% by mass and N: 0.01% by mass or less, and further comprising one or two of Nb: 0.01 to 0.10% by mass and Ti: 0.005 to 0.050% by mass, with the balance consisting of Fe and unavoidable impurities. | 06-04-2015 |
20150054360 | MOTOR ROTOR SUPPORT AND METHOD FOR MANUFACTURING SAME - An object of the present invention is to provide a motor rotor support suitable for an axial gap motor and a method for manufacturing the same. The motor rotor support for supporting a magnetic body disposed on a rotor of the motor is configured by laminating single materials each formed from a hot-worked material or a cold-worked material preferably composed of an 18Mn-18Cr nonmagnetic steel. | 02-26-2015 |
20150029812 | SCREW PAIR AND CO-ROTATING INTERMESHING TWIN-SCREW EXTRUDER PROVIDED WITH SCREW PAIR - A screw pair includes first and second screws having an outer circumferential surface on which a groove is spirally formed, and transports a raw material in a first direction along each of axis centers. An inner surface of the groove of each of the screws includes a first surface, which faces in the first direction, and in which the outer circumferential surfaces of the screws are formed to coincide with each other without a gap therebetween in the state where the screws mesh with each other, and a second surface, which faces in a second direction opposite to the first direction, and which forms a gap between the outer circumferential surfaces of the screws in the state where the screws mesh with each other. | 01-29-2015 |
20150023862 | METHOD FOR PRODUCING NITRIDE SINGLE CRYSTAL - A first object of the present invention is to provide a method for efficiently growing a nitride single crystal even under low pressure conditions. The present invention relates to a method for producing a nitride single crystal, comprising growing a nitride crystal on the surface of a seed crystal having a hexagonal crystal structure by setting a pressure in a reaction vessel having the seed crystal, a nitrogen-containing solvent, a mineralizer containing a fluorine atom, and a raw material placed therein to 5 to 200 MPa and performing control so that the nitrogen-containing solvent is in at least either a supercritical state or a subcritical state. | 01-22-2015 |
20140248433 | METHOD AND APPARATUS FOR MANUFACTURING MOLDED PRODUCT HAVING THIN FILM - A method for manufacturing a molded product, which has a highly homogeneous thin film, at low cost by operating an injection molding machine and a film forming device at a high rate of operation is provided. A molded product formed by an injection molding machine is conveyed to a temporary stage by a first conveying device. The molded products corresponding to several times of an injection molding step are pooled on the temporary stage by the repetition of an injection molding step. A second conveying device collectively conveys all the molded products, which are pooled on the temporary stage, to a film forming device. Films are formed on the molded products by the film forming device, and the molded products are conveyed to the outside by a third conveying device. The injection molding step is continuously performed while a film forming step is performed. | 09-04-2014 |
20140212323 | FIRST LAYER OR UPPER LAYER WELDING SECTION OF HIGH Cr STEEL TURBINE ROTOR, OVERLAY WELDING MATERIAL FOR WELDING SECTION, AND METHOD FOR MANUFACTURING OVERLAY WELDING SECTION - The present invention relates to a multilayer overlay welding section in which a first layer of an overlay welding section to be formed on the bearing contact surface of a high Cr steel turbine rotor includes C: 0.05 to 0.2%, Si: 0.1 to 1.0%, Mn: 0.3 to 1.5%, Cr: 4.0 to 7.7%, and Mo: 0.5 to 1.5% with a remainder including Fe and unavoidable impurities, a multilayer overlay welding section in which, in addition to the above layer, an upper layer welding section includes C: 0.05 to 0.2%, Si: 0.1 to 1.0%, Mn: 0.3 to 2.5%, Cr: 1.0 to 4.0%, and Mo: 0.5 to 1.5%, and a welding material therefor and a process for producing the multilayer overlay welding section. | 07-31-2014 |
20140098626 | MATERIAL KNEADING APPARATUS AND MATERIAL KNEADING METHOD - There is provided with a screw that is inserted into a cylinder an inside of which a material is loaded, and is rotatably supported in both end portions on an upstream side and a downstream side, or in an end portion on the upstream side, in the cylinder; a first kneading blade including a plurality of first blades that are helically provided on the screw and send the material toward the downstream side with rotation of the screw; and a second kneading blade including a second blade that is helically provided on the screw and returns the material, which is sent toward the downstream side by the first kneading blade, toward the upstream side, the number of blades in the second blade being smaller than the number of blades in the first blade. | 04-10-2014 |
20140086820 | PRODUCTION METHOD AND PRODUCTION DEVICE OF NANOCARBON - Using a device for producing nanocarbon, a fluidized bed is formed by supplying a low hydrocarbon and oxygen to a fluid catalyst | 03-27-2014 |
20140065255 | GUIDE DEVICE FOR PARISON - A guide device | 03-06-2014 |
20130341825 | PRODUCTION APPARATUS AND METHOD FOR PRODUCING HOLLOW MOLDED PRODUCT - A production apparatus includes the following stations juxtaposed in the following sequence: a parison forming station for forming a parison; a built-in part attachment station where opposite sides of a center die provided with a built-in part are held between a pair of molding dies to locate the center die in the molding dies with the parison between the center die and the molding dies, and the built-in part being attached to the parison transferred to the molding dies; a molding station where the molding dies are closed to mold the hollow molded product; and a conveyance station for taking the hollow molded product out of the molding dies and conveying the hollow molded product. The center die is fixed at the built-in part attachment station, and the molding dies are configured to be movable back and forth between the built-in part attachment station and the molding station. | 12-26-2013 |
20130333481 | METHOD OF DETERMINING FATIGUE CRACK LIFETIME IN HIGH-PRESSURE HYDROGEN ENVIRONMENT - In a method of determining a fatigue crack lifetime of a low-alloy steel material coming in contact with high-pressure hydrogen in a high-pressure hydrogen environment, estimate a fatigue crack acceleration starting point K | 12-19-2013 |
20130323114 | HIGH-STRENGTH COPPER ALLOY FORGING MATERIAL - The present invention relates to a high-strength copper alloy forging material having properties of high hardness, high strength and high thermal conductivity. | 12-05-2013 |
20130270743 | METHOD FOR MANUFACTURING MICROSCOPIC STRUCTURAL BODY - The present invention is widely applicable to an injection molding method, an injection compression molding method, a blow molding method, a film sheet molding method using a roller and a thermoplastic molten polymer, and the like. | 10-17-2013 |
20130210242 | LASER ANNEALING TREATMENT APPARATUS AND LASER ANNEALING TREATMENT METHOD - Provided is a laser annealing treatment including a laser light source that outputs pulse laser light, an optical system that shapes the pulse laser light, and leads the shaped pulse laser light to a semiconductor film subject to treatment, and a stage that carries the semiconductor film to be irradiated by the pulse laser light, wherein the pulse laser light irradiating the semiconductor film presents a rising time equal to or less than 35 nanoseconds from 10% of the maximum height to the maximum height in the pulse energy density, and a falling time equal to or more than 80 nanoseconds from the maximum height to 10% of the maximum height, thereby increasing, while an energy density suitable for crystallization and the like is not particularly increased, a margin quantity thereof, and carrying out high quality annealing treatment without decreasing a throughput. | 08-15-2013 |
20130186589 | MOLD MOLDING METHOD AND MOLD MOLDING MEMBER - An object is to provide a mold molding method which can provide a high general-purpose property and can reduce a usage quantity of molding sand. In a method for molding a mold (sand mold) by self-hardening molding sand using a caking additive, the mold is molded by disposing hollow spheres each formed to have no clearance therein among molding sand mixed with the caking additive. Preferably, the hollow sphere may be formed by working two metal plates to semispherical shapes and then connecting the semispherical-shaped metal plates to each other by welding their respective whole peripheries. A specific gravity of the hollow sphere may be 0.5 to 2.0 times a specific gravity of the molding sand. | 07-25-2013 |
20130101740 | METHOD AND APPARATUS FOR MANUFACTURING MOLDED PRODUCT HAVING THIN FILM - A method for manufacturing a molded product, which has a highly homogeneous thin film, at low cost by operating an injection molding machine and a film forming device at a high rate of operation is provided. A molded product formed by an injection molding machine is conveyed to a temporary stage by a first conveying device. The molded products corresponding to several times of an injection molding step are pooled on the temporary stage by the repetition of an injection molding step. A second conveying device collectively conveys all the molded products, which are pooled on the temporary stage, to a film forming device. Films are formed on the molded products by the film forming device, and the molded products are conveyed to the outside by a third conveying device. The injection molding step is continuously performed while a film forming step is performed. | 04-25-2013 |
20130098651 | LIGHTNING PROTECTION STRUCTURE OF BLADE FOR WIND POWER GENERATION - A blade for wind power generation includes a lightning receptor configured to form a part of the surface of the blade, and a lightning receiving protrusion that protrudes outward from the surface of the lightning receptor. The lightning receiving protrusion is provided to a surface boundary between the blade and the lightning receptor. The surface boundary configured to protect against the lightning is positioned within a radius of a circle, which is centered on a tip of the lightning receiving protrusion and which has a radius of twice the length of the lightning receiving protrusion. A point where electric field concentration on the surface of the lightning receptor is greatest is moved from the boundary to the tip of the lightning receiving protrusion, so as to significantly reduce a possibility of blade damage associated with lightning striking the boundary when being stroke by the lightning. | 04-25-2013 |
20130084046 | LASER OPTICAL SYSTEM USING OPTICAL FIBER TRANSMISSION - A laser optical system using optical fiber transmission, includes a first optical fiber for transmitting laser light emitted from a laser oscillator, a collimator lens for collimating laser light emitted from the first optical fiber, a spherical array lens including a plurality of cells for converging laser light emitted from the collimator lens into a plurality of spots, a plurality of second optical fibers each having a smaller core diameter than the first optical fiber and configured to admit the laser light converged into the corresponding spot by the spherical array lens, the second optical fibers having output ends that have mutually parallel axial lines and are arranged linearly in a single row, and a linearization optical unit for shaping laser light emitted from the second optical fibers into laser light having a linear cross section at an illuminated surface. | 04-04-2013 |
20130062804 | GRANULATION METHOD AND GRANULATION APPARATUS - An object of the invention is to provide a granulation method and a granulation apparatus that can reduce the manufacturing costs of pellets. There is provided a granulation method which uses an underwater cutting (UWC) device | 03-14-2013 |
20130062194 | METHOD OF DEPOSITION - A method of deposition is provided in which a deposition operation can be immediately performed when a workpiece for deposition is carried into a deposition chamber irrespective of a shape or a structure of the workpiece for deposition. The workpiece for deposition is integrally molded with an assisting member, which is configured to maintain the workpiece for deposition in a predetermined orientation such that a deposition surface or a deposition portion thereof faces a target material when the workpiece for deposition is carried into a deposition chamber and is placed on a deposition stand, when the workpiece for deposition is injection-molded; and the workpiece for deposition is carried into the deposition chamber and is deposited. | 03-14-2013 |
20120301300 | LIGHTNING PROTECTION STRUCTURE OF BLADE FOR WIND POWER GENERATION - To effectively perform lightning protection in a blade for wind power generation and to prevent the blade from being damaged when arresting lightning. The lightning protection structure of the blade for wind power generation includes a conductive lightning receptor | 11-29-2012 |
20120261038 | LOW ALLOY STEEL FOR GEOTHERMAL POWER GENERATION TURBINE ROTOR, AND LOW ALLOY MATERIAL FOR GEOTHERMAL POWER GENERATION TURBINE ROTOR AND METHOD FOR MANUFACTURING THE SAME - A low alloy steel ingot contains from 0.15 to 0.30% of C, from 0.03 to 0.2% of Si, from 0.5 to 2.0% of Mn, from 0.1 to 1.3% of Ni, from 1.5 to 3.5% of Cr, from 0.1 to 1.0% of Mo, and more than 0.15 to 0.35% of V, and optionally Ni, with a balance being Fe and unavoidable impurities. Performing quality heat treatment including a quenching step and a tempering step to the low alloy steel ingot to obtain a material, which has a grain size number of from 3 to 7 and is free from pro-eutectoid ferrite in a metallographic structure thereof, and which has a tensile strength of from 760 to 860 MPa and a fracture appearance transition temperature of not higher than 40 ° C. | 10-18-2012 |
20120237431 | PRODUCTION METHOD, PRODUCTION VESSEL AND MEMBER FOR NITRIDE CRYSTAL - To provide a production method for a nitride crystal, where a nitride crystal can be prevented from precipitating in a portion other than on a seed crystal and the production efficiency of a gallium nitride single crystal grown on the seed crystal can be enhanced. In a method for producing a nitride crystal by an ammonothermal method in a vessel containing a mineralizer-containing solution, out of the surfaces of said vessel and a member provided in said vessel, at least a part of the portion coming into contact with said solution is constituted by a metal or alloy containing one or more atoms selected from the group consisting of tantalum (Ta), tungsten (W) and titanium (Ti), and has a surface roughness (Ra) of less than 1.80 μm. | 09-20-2012 |
20120236896 | ATMOSPHERE STABILIZATION METHOD AND LASER PROCESSING APPARATUS - Disruption of a gas atmosphere does not occur when a substrate is rotated 90° after it is carried into a laser processing apparatus. The substrate is carried such that a gas ejection port is positioned near a midportion of a first side of the substrate. The substrate is linearly moved to bring a center of the substrate near the gas ejection port and the substrate is horizontally rotated 90° about the center thereof. Because an edge portion of the gas ejection port does not go beyond a seal cover during rotation, disruption of the gas atmosphere that occurs due to the escaping of the gas does not occur. | 09-20-2012 |
20120234810 | LASER ANNEALING APPARATUS AND LASER ANNEALING METHOD - The present invention provides an efficient heat treatment such as activation treatment of impurities on a substrate such as a thick silicon wafer with large heat capacity by laser annealing. | 09-20-2012 |
20120180912 | HIGH STRENGTH AND HIGH TOUGHNESS CAST STEEL MATERIAL AND METHOD FOR PRODUCING THE SAME - A high strength and high toughness cast steel material of the invention has a composition comprising 0.10 to 0.20% by mass of C, 0.10 to 0.50% by mass of Si, 0.40 to 1.20% by mass of Mn, 2.00 to 3.00% by mass of Ni, 0.20 to 0.70% by mass of Cr, and 0.10 to 0.50% by mass of Mo, and further comprising Fe and unavoidable impurities. The high strength and high toughness cast steel material of the invention is produced by subjecting an ingot having the above composition to annealing at 1,000 to 1,100° C., quenching at 850 to 950° C., tempering at 610 to 670° C., and then, if desired, stress-relief annealing at less than 610° C. | 07-19-2012 |
20120160376 | HEAT RESISTANT CAST STEEL, MANUFACTURING METHOD THEREOF, CAST PARTS OF STEAM TURBINE, AND MANUFACTURING METHOD OF CAST PARTS OF STEAM TURBINE - A heat resistant cast steel of an embodiment contains in percent by mass C: 0.05-0.15, Si: 0.03-0.2, Mn: 0.1-1.5, Ni: 0.1-1, Cr: 8-10.5, Mo: 0.2-1.5, V: 0.1-0.3, Co: 0.1-5, W: 0.1-5, N: 0.005-0.03, Nb: 0.01-0.2, B: 0.002-0.015, Ti: 0.01-0.1, and a remainder comprising Fe and unavoidable impurities. | 06-28-2012 |
20120160373 | FORGING HEAT RESISTANT STEEL, MANUFACTURING METHOD THEREOF, FORGED PARTS AND MANUFACTURING METHOD THEREOF - A forging heat resistant steel of an embodiment contains in percent by mass C: 0.05-0.2, Si: 0.01-0.1, Mn: 0.01-0.15, Ni: 0.05-1, Cr: 8 or more and less than 10, Mo: 0.05-1, V: 0.05-0.3, Co: 1-5, W: 1-2.2, N: 0.01 or more and less than 0.015, Nb: 0.01-0.15, B: 0.003-0.03, and a remainder comprising Fe and unavoidable impurities. | 06-28-2012 |
20120081989 | APPARATUS AND METHOD FOR PLASTIC EXTRUSION - An object of the invention is to improve capacity of process and not require a vent portion by an upper polygonal groove and a transition portion provided to a transport cylinder. | 04-05-2012 |
20120009297 | ELECTROMOTIVE INJECTION MOLDING MACHINE AND POWER SUPPLYING METHOD OF ELECTROMOTIVE INJECTION MOLDING MACHINE - To provide a power supplying method that can reduce the maximum power of an electromotive injection molding machine including a power supplying apparatus having a predetermined power storage circuit. | 01-12-2012 |
20110167921 | METHOD OF DETERMINING FATIGUE OF PRESSURE-RESISTANT COMPONENT FOR HIGH-PRESSURE HYDROGEN - A method of determining fatigue of a pressure-resistant component for high-pressure hydrogen made of a ferritic steel and provided in a high-pressure hydrogen gas environment is provided wherein when the material of the ferritic steel in the air has an ultimate tensile strength Su in the range of 958-1,144 MPa and the hydrogen gas environment has a pressure in a range to 45 MPa, then a fatigue strength in a gaseous hydrogen S | 07-14-2011 |
20110067787 | HIGH-STRENGTH LOW-ALLOY STEEL EXCELLENT IN HIGH-PRESSURE HYDROGEN ENVIRONMENT EMBRITTLEMENT RESISTANCE CHARACTERISTICS AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide at a low cost a low-alloy steel having a high strength and excellent high-pressure hydrogen environment embrittlement resistance characteristics under a high-pressure hydrogen environment. The invention is a high-strength low-alloy steel having high-pressure hydrogen environment embrittlement resistance characteristics, which has a composition comprising C: 0.10 to 0.20% by mass, Si: 0.10 to 0.40% by mass, Mn: 0.50 to 1.20% by mass, Ni: 0.75 to 1.75% by mass, Cr: 0.20 to 0.80% by mass, Cu: 0.10 to 0.50% by mass, Mo: 0.10 to 1.00% by mass, V: 0.01 to 0.10% by mass, B: 0.0005 to 0.005% by mass and N: 0.01% by mass or less, and further comprising one or two of Nb: 0.01 to 0.10% by mass and Ti: 0.005 to 0.050% by mass, with the balance consisting of Fe and unavoidable impurities. | 03-24-2011 |
20100320633 | METHOD OF OPERATING INJECTION MOLDING MACHINE AND INJECTION MOLDING MACHINE - In an injection molding machine, dies are connected to a die temperature regulating machine by means of thermal medium supplying pipes and thermal medium returning pipes. A heat exchanger is interposed between the thermal medium returning pipes. The air which has been heated by the heat exchanger is supplied to a hopper through a hot air supplying pipe so as to preheat and dry injection material in the hopper. | 12-23-2010 |
20100310411 | Ni-BASED SUPERALLOY WITH EXCELLENT UNSUSCEPTIBILITY TO SEGREGATION - A subject for the invention is to diminish the occurrence of streak-type segregation in producing a material comprising a Ni-based superalloy. | 12-09-2010 |
20100296360 | MELTING KNEADING DEVOLATILIZING EXTRUDER - There is provided a melting kneading devolatilizing extruder in which the surface renewability of a molten raw material is improved. | 11-25-2010 |
20100269633 | SLAG FOR ELECTROSLAG REMELTING FOR COPPER ALLOY AND METHOD FOR PRODUCING COPPER ALLOY MATERIAL - An object of the invention is to make it possible to produce a copper alloy in which the S content is reduced with no contamination with Al, which has a good casting surface and good internal properties and in which eutectic compounds are refined. The invention relates to a slag for electroslag remelting for copper alloy, including CaF | 10-28-2010 |
20100260881 | METHOD OF TREATING POLYMER COMPOUND AND TREATMENT SYSTEM FOR THE SAME - A method of treating a polymer compound has the steps of: mixing and agitating the polymer compound and a chemical agent in an extruder while controlling the inside of the extruder to be kept at a high temperature and a high pressure to have a reaction mixture containing a polymer treated product; supplying the reaction mixture continuously into a high-pressure container disposed following the extruder and retaining the reaction mixture at the high temperature and high pressure for a predetermined time; then supplying the reaction mixture continuously to a chemical agent separator to separate the polymer treated product; and supplying the separated polymer treated product continuously to a molding means to form it into a molded material. | 10-14-2010 |
20100212785 | HIGH-STRENGTH LOW-ALLOY STEEL EXCELLENT IN HIGH-PRESSURE HYDROGEN ENVIRONMENT EMBRITTLEMENT RESISTANCE CHARACTERISTICS AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide at a low cost a low-alloy steel having a high strength and excellent high-pressure hydrogen environment embrittlement resistance characteristics under a high-pressure hydrogen environment. The invention is a high-strength low-alloy steel excellent in high-pressure hydrogen environment embrittlement resistance characteristics, which is characterized in that the steel has a composition comprising C: 0.10 to 0.20%, Si: 0.10 to 0.40%, Mn: 0.50 to 1.20%, Cr: 0.20 to 0.80%, Cu: 0.10 to 0.50%, Mo: 0.10 to 1.00%, V: 0.01 to 0.10%, B: 0.0005 to 0.005% and N: 0.01% or less, by mass, with the balance consisting of Fe and unavoidable impurities. | 08-26-2010 |
20100108543 | COMPOSITION COMPRISING HYDROGEN STORAGE ALLOY AND RESIN - There is provided a resin composition including a resin and a hydrogen storage alloy powder and ensuring that even when the amount of the hydrogen storage alloy powder filled per unit volume is high, uniform mixing with the resin is achieved and the stress applied to the wall of a hydrogen storage vessel is sufficiently suppressed without impairing the high hydrogen storage capacity. | 05-06-2010 |
20100093182 | LASER CRYSTALLIZATION METHOD FOR AMORPHOUS SEMICONDUCTOR THIN FILM - A laser crystallization method in which an amorphous silicon thin film | 04-15-2010 |
20100083839 | HYDROGEN PERMEABLE MODULE AND USAGE THEREOF - A hydrogen permeable module includes a hydrogen permeable membrane that permeates hydrogen, an outer peripheral part of the hydrogen permeable membrane being restricted, an inside of the outer peripheral part of the hydrogen permeable membrane being not restricted. The hydrogen permeable module permeates the hydrogen by constantly keeping a pressure of a primary side to a pressure that is equal to or more than a pressure of a secondary side. The inside of the outer peripheral part of the hydrogen permeable membrane is not restricted so as to be capable of expanding to the secondary side. | 04-08-2010 |
20100072177 | PRESSURE VESSEL FABRICATING METHOD - Rib plates are provided in an interior of a box-shaped pressure vessel, and the rib plates are joined to inner surfaces of walls of the pressure vessel in such a state that the rib plates are kept erected by welding being applied to the walls of the pressure vessel from the outside thereof. | 03-25-2010 |
20100050734 | HYDROGEN REMAINING SENSOR - In the hydrogen remaining sensor of the present invention, the hydrogen remaining sensor is arranged in a space in which the hydrogen is absorbed/released by the main hydrogen storage alloy, and is equipped with the vessel-like sensor main body in which the sensor hydrogen storage alloy is filled and through which the hydrogen is moved. Also, the easy-to-deform portion in which the strain is caused easily due to the hydrogen absorption/release of the sensor hydrogen storage alloy is provided to a part of the sensor main body, and the strain gauge for measuring the strain of the easy-to-deform portion is provided. As a result, according to the hydrogen remaining sensor of the present invention can contribute to sense precisely a remaining amount of hydrogen in the main hydrogen storage alloy. | 03-04-2010 |
20100023306 | DEVOLATILIZATION PERFORMANCE PREDICTION APPARATUS AND DEVOLATILIZATION PERFORMANCE PREDICTION METHOD - A devolatilization performance prediction apparatus for a solution devolatilization process using a twin-screw extruder including a flow state computation means | 01-28-2010 |
20100012219 | HYDROGEN FILLING APPARATUS - The invention comprises a hydrogen source, a detachable connecting port to which a hydrogen storage container is connected in order to store hydrogen supplied from the hydrogen source, a container cooling unit (an air blower) for cooling a hydrogen storage container connected to the connecting port, a container connection recognition unit (a limit switch, a controller) for recognizing connection of a hydrogen storage container to the connecting port, and a fill-up detection unit (a pressure transmitter, a hydrogen remaining sensor, a controller) for detecting that the hydrogen storage container connected to the connecting port is filled up with hydrogen. Consequently, it contributes to simple and safe hydrogen filling in the general public. | 01-21-2010 |
20090269275 | PRODUCING METHOD OF HYDROGEN STORAGE ALLOY - The invention intends to provide a hydrogen storage alloy that can absorb and release hydrogen effectively at room temperature and shows excellent hydrogen storage amount and effective hydrogen transfer amount and furthermore shows excellent endurance. | 10-29-2009 |
20090263533 | METHOD OF MOLDING A HOLLOW MOLDED ARTICLE, HOLLOW MOLDED ARTICLE, AND APPARATUS FOR MANUFACTURING THE SAME - First and second semi-finished molded articles and a third semi-finished molded article are molded simultaneously so as to have joint end faces by using a slide die, a fixed die, and first and second slide cores fitted to the fixed die. The slide die with the third semi-finished molded article remaining thereon is moved toward the first and second slide cores, and their respective joint end faces are registered. Heating surfaces are inserted between the joint end faces. After melting the joint end faces, the heating surfaces are retracted, and the molding device is closed to weld the joint end faces. | 10-22-2009 |
20090260760 | METHOD OF MOLDING A HOLLOW MOLDED ARTICLE, HOLLOW MOLDED ARTICLE, AND APPARATUS FOR MANUFACTURING THE SAME - First and second semi-finished molded articles and a third semi-finished molded article are molded simultaneously so as to have joint end faces by using a slide die, a fixed die, and first and second slide cores fitted to the fixed die. The slide die with the third semi-finished molded article remaining thereon is moved toward the first and second slide cores, and their respective joint end faces are registered. Heating surfaces are inserted between the joint end faces. After melting the joint end faces, the heating surfaces are retracted, and the molding device is closed to weld the joint end faces. | 10-22-2009 |
20090246307 | POWER SUPPLY DEVICE FOR ELECTRICALLY DRIVEN INJECTION MOLDING MACHINE AND ELECTRICALLY DRIVEN INJECTION MOLDING MACHINE - A power supply device for supplying an electric power to a servo amplifier is configured by an AC/DC converter and a power accumulating device. Among a molding cycle, during a process where an amount of consumed power is small, a DC voltage is supplied to the servo amplifier from the AC/DC converter and a power is accumulated in the power accumulating device. In a process such as an injection process where a large power is required, a high DC voltage is supplied to the servo amplifier from the power accumulating device in place of the AC/DC converter. | 10-01-2009 |
20090218716 | METHOD AND APPARATUS FOR FORMING HOLLOW MOLDINGS HAVING THIN FILM ON INNER SURFACE - The method employs a stationary mold having depositing recesses equipped in its inside with a deposition element such as a target electrode, and movable molds made slidable. A primary molding is performed to form a body portion and a cover member to have joint portions around their opening. The body portion left in the vertically sliding mold is deposited after it was densely covered with the depositing recesses. Next, the deposited body portion and the cover member, as left in the molds, are registered and mold clamped, and the molten metal is injected to integrated the joint portions. | 09-03-2009 |
20090202669 | DEVOLATILIZATION SIMULATION APPARATUS FOR SCREW EXTRUDERS AND DEVOLATILIZATION SIMULATION PROGRAM FOR SCREW EXTRUDERS - A devolatilization simulation apparatus for screw extruders and a devolatilization simulation program for screw extruders can actually simulate the devolatilization process in a screw extruder. An extruder simulation system for simulating the conditions of devolatilization of an extruder by computationally determining the resin temperature, the pressure, the residence time, the filling ratio, the torque, the power, the solid-phase occupancy and the concentration of the volatile components in terms of distribution in the axial direction of the extruder from the configuration and the operating conditions of the extruder and the physical properties of the resin in the extruder comprising a means for arithmetically simulating the process where the concentration of the volatile components contained in the resin gradually falls as they are devolatilized by vent cylinders. | 08-13-2009 |
20090194905 | MOLDING METHOD AND MOLDING APPARATUS OF MOLD PRODUCT HAVING THIN FILM AT INNER SURFACE - A molding method involves a first and a second sliding die, a first and a second fixed die, and a sliding film forming chamber. The first, the second sliding dies are moved in directions reverse to each other to take a primary molding position, a film forming position and a secondary molding position. The sliding film forming chamber includes a first, a second masking plate and are arranged to be remote from the first, the second fixed dies. Further, the sliding film forming chamber is slid in an up and down direction. The first, the second sliding dies are respectively formed with recess portions and cores, the first, the second fixed dies are respectively formed with cores and recess portions. | 08-06-2009 |
20090189551 | METHOD AND APPARATUS FOR STOPPING SERVO MOTOR - The servo motor is controlled by a control signal from a control circuit. A common branch line is separated from a positive common line in accordance with information that a safety door is opened. Thus, a first gate drive circuit group is made inoperative. Then, a second gate drive circuit group is operated to thereby short-circuit the U−, V− and W−phases of the motor to place in a regenerative braking state. | 07-30-2009 |
20090169665 | CUTTER DEVICE - A cutter device includes a fixing holder, a spherical cylinder, and a cutter holder. The fixing holder has a through hole, and a spherical outer circumferential surface in which a key groove is formed. The spherical cylinder includes a through hole that has a spherical inner circumferential surface in which a key groove having a spherical bottom surface is formed, and a spherical outer circumferential surface having a key groove formed at a position shifted around a rotational axis with respect to the key groove. The cutter holder includes a through hole that has a spherical inner circumferential surface in which a through hole having a spherical bottom surface is formed, and a cutter blade. These components are rotationally slidably connected by keys. | 07-02-2009 |
20090074634 | METHOD FOR PRODUCING NANOCARBON AND CATALYTIC REACTION DEVICE FOR PRODUCING NANOCARBON - A cylindrical screw feeder main body, catalyst feeding portions for introducing a catalyst into the screw feeder main body, low hydrocarbon feeding portions for introducing a low hydrocarbon into the screw feeder main body as a raw material, a screw for conveying the catalyst and nanocarbon produced by pyrolysis of the low hydrocarbon in the feeder main body, a solid matter discharging portion for discharging the catalyst and the nanocarbon conveyed by the screw out of the screw feeder main body and a gas discharging portion for discharging the unreacted low hydrocarbon and hydrogen produced by the pyrolysis of the low hydrocarbon out of the screw feeder main body are provided. Nanocarbon grown with the catalyst as top with time is continuously discharged out of the screw feeder main body while unused catalyst is being fed thereto at the same amount as that of nanocarbon, allowing efficient continuous reaction. | 03-19-2009 |