baber/WOPTO huggingface dataset:
Patent JP-H11189552-A (JP)
Title: Methanation reaction of carbon dioxide and apparatus therefor
Inventor: KITA YOSHIHIRO
IPC: C07C1/12
Filed: 1997-12-25
Abstract: PROBLEM TO BE SOLVED: To provide a methanation reaction method and a reactor for converting carbon dioxide to methane and water in stable and high reaction efficiency by reacting carbon dioxide with hydrogen and especially enable miniaturization of methanation reactor and saving of energy required for operation of a reactor. SOLUTION: In this methanation reaction method of carbon dioxide comprising producing methane and water by introducing a raw material gas comprising carbon dioxide and hydrogen into a catalyst reactor, a catalyst in the catalyst reactor is heated in a heating furnace mainly arranged in the neighborhood on upstream side of the catalyst reactor and when catalyst temperature in the neighborhood of the heating furnace exceeds upper limit in the first reaction temperature range, the heating furnace is stopped and when the catalyst temperature becomes lower than the lower limit value, the heating furnace is operated and a refrigerant is fed to a cooler mainly arranged in the circumference on downstream side or feed is stopped or feeding amount is controlled and the catalyst temperature in the circumference of the cooler is retained in a second reaction temperature range.
Patent JP-2001173936-A (JP)
Title: Removal equipment and method for dioxins in refuse incinerator equipment
Inventor: KATSUI SEIZO
IPC: F23J15/00
Filed: 1999-12-16
Abstract: PROBLEM TO BE SOLVED: To provide removal equipment and removal method for dioxins in refuse incineration equipment with a simplified structure and with higher heat efficiency, in which the dioxins are prevented from being produced and resynthesized and hence white smoke pollution from smokestack is prevented. SOLUTION: There are provided a refuse incinerator 1 in which an inclined ceiling 11 is provided at an outlet of a combustion chamber 12 and secondary air injection means 19 is provided on a rear wall of the combustion chamber, a recombustion chamber 2 including a combustion air heating high temperature air preheater 23 on an upper portion of a body 22, a high temperature white smoke preventing air heater 3, a gas cooling apparatus 4 including a gas cooling chamber 41 having a plurality of stages of groups of water injection nozzles 42 and cooling air blowing means 44, and a waste gas processing apparatus 5 including a bag filter 51 and an induction air fan 52. Waste gas exhausted from the refuse incinerator 1 is combusted in the recombustion chamber 2, and then the waste gas is guided to the gas cooling apparatus 4 through the high temperature air preheater 23 and the high temperature white smoke prevention air heater 3 while keeping the resynthesis temperature of dioxins or higher and is lowered at once to optimum temperature of the bag filter 51 in the gas cooling apparatus 4.
Patent JP-H10183170-A (JP)
Title: Detergent composition
Inventor: NAKAGAWA RYUICHI
IPC: C11D1/10
Filed: 1996-12-26
Abstract: PROBLEM TO BE SOLVED: To obtain the subject composition excellent in foamability and also good in defoamability by containing a sugar-alkyl ether fatty acid ester-based surface-active agent and a specific amidoether carboxylic acid. SOLUTION: This composition is obtained by blending (A) a sugar-alkyl ether fatty acid ester-based surface-active agent, (B) amidoether carboxylic acid shown by the formula [R<1> is a 5-29C straight-chain or branched chain alkyl, alkenyl, etc.; R<2> is H a 1-3C alkyl, (X-O)x -(Y-O)y Z-COOM, etc.; A is a 1-6C straight-chain or branched chain alkylene; X and Y are each a 2-4C straight-chain or branched alkylene; (x) and (y) are each 0 to 20; Z is a 1-3C alkylnen; M is H, an alkaline (earth) metal, ammonium, etc.] and (C), if necessary, an anionic surface-active agent other than the component B, a nonionic surface-active agent other than the component A, builders, a moisturizer, perfume, etc. Preferably, the weight ratio A/B is (99:1) to (1:99).
Patent JP-H11189233-A (JP)
Title: Corrugated board tray
Inventor: SUEOKA HIDEYUKI
IPC: B65D5/22
Filed: 1997-12-25
Abstract: PROBLEM TO BE SOLVED: To assemble a corrugated board tray having double side wall easily and at low cost. SOLUTION: Respective notch sections 14 and 15 are formed on folding pieces 10 and 11 extended respectively from outer plates 3 and inner plates 6 forming side walls 2, and the notch sections 14 and 15 of the folding pieces 10 and 11 folded inwardly following the standing-up of the side walls 2 are engaged with each other. At the time of assembling by a packaging machine, it is not necessary to stick the outer plates 4 to the inner plates 6.
Patent JP-2000121599-A (JP)
Title: Gas sensor
Inventor: KOJIMA TAKASHI
IPC: G01N27/407
Filed: 1998-12-16
Abstract: PROBLEM TO BE SOLVED: To provide a gas sensor which can prevent a detecting element from being broken, chipped or the like in its manufacture and in which a sufficient airtightness can be ensured between the detecting element and a housing. SOLUTION: The gas sensor consits of the detecting element 3 and the housing 2 in which the detecting element is inserted and arranged airtightly. The outside face 30 of the detecting element 3 is provided with a flange part 310. The difference between the inside diameter (b) of the housing 2 and the outside diameter S1 of the detecting element 3 is designated as (a). The difference (S2-S1) between the outside diameter S1 of the detecting element 3 and the outside diameter S2 of the flange part 310 is designated as (b). Then, 0.2<=b/a<=0.5.
Patent JP-H06258499-A (JP)
Title: Applying method of pi meson for treatment
Inventor: TOMIMASU TAKIO
IPC: A61N5/10
Filed: 1991-12-27
Abstract: PURPOSE:To prevent the diffusion of secondary charged particles in an irradiation zone which is a bottleneck in application of a pi meson, to execute spot-like and concentrated application of the pi meson to an affected part, to facilitate destruction of a cancerous cell, to prevent destruction of a normal cell and to suppress a radiation exposure. CONSTITUTION:Magnetic poles 4 and 4' of a magnet 2 are opposed to each other and shaped in truncated cones. A patient 3 is set between the two poles, a slit 6 for application of a pi meson is formed in one magnetic pole 4, and an absorber 5 of copper, aluminum or the like for controlling the depth direction of the application of the pi meson is set between the magnetic pole 4 and an affected part. Then, the pi meson (b) is emitted toward the affected part in parallel to a magnetic line of force. The pi meson applied in parallel to the magnetic line of force has little effect, and secondary charged particles generated in a pi meson zone are restricted by a magnetic field being parallel to the applied pi meson, so that diffusion thereof be suppressed. They are taken in by the magnetic field and an absorption peak is made sharp.
Patent JP-H11190123-A (JP)
Title: Under floor storing device
Inventor: UETAKE TORU
IPC: E04F19/08
Filed: 1997-12-25
Abstract: PROBLEM TO BE SOLVED: To provide an under floor storing device which does not render burden to the waist when storing of an article into a storage box or taking it out therefrom and can secure a large storing capacity. SOLUTION: An opening 3 is formed on a rising part 2B of a footing 2, a box connecting body 4 which connects boxes 6 to 8 in series from this opening 3 is arranged an under floor 5, and a storage connecting body 21 which connects storage boxes 22 to 24 in series is placed in the box connecting body 4. Two of the storage boxes 22 to 24 which are connected to each other are made separable by moving one against the other in the lateral direction perpendicular to the putting-in/taking-out direction of the opening 3, and they can be separated before reaching the boundary line of the adjacent land 'A'.
Patent JP-H10195810-A (JP)
Title: Tie-bar with socket for concrete pavement
Inventor: SHIOMOTO CHIEZOU
IPC: E04B5/02
Filed: 1996-12-30
Abstract: PROBLEM TO BE SOLVED: To provide reinforcement of high strength provided at the joint of concrete pavement slabs and the installation method. SOLUTION: One reinforcement is buried in a precedingly placed concrete pavement slab 4, and when a concrete pavement slab 5 continued to the placed pavement slab is placed, a tie-bar with a socket of a type connecting to the existing reinforcement through thread is provided. In this case, the reinforcement 1 with external thread is buried in the state of mounting a coupler to the external thread part, the coupler is removed after hardening concrete, a socket part 21 with internal thread of a reinforcement 2 with socket is inserted onto the external thread part of the reinforcement 1 in the cavity after removing the coupler, and after connecting together both reinforcements, the secondary side concrete is placed. Hereby the reinforcement of high strength of easy execution and high load resistance can be installed.
Patent JP-H05177474-A (JP)
Title: Cutting machine
Inventor: ITO CHIHIRO
IPC: B23Q1/00
Filed: 1991-12-28
Abstract: PURPOSE:To improve the extent of machining accuracy as well as to make a cycle time so as not to lengthen for avoiding the affect of vibration by reducing such a case that mutual machining vibrations of two spindles are affected to each other. CONSTITUTION:Each of spindles 2, 2 is set up in separate frames 3 and 3 being installed on a floor separately from each other. Setup equipment such as a headstock 2, a turret slide 8 or the like on each frame 3 and these frames 3 are convered with one common machine body cover 1, thereby constituting one cutting machine. Both these frames 3 and 3 are made connectible to each other with a bolt or the like at adjacent parts. At the time of carrying-in a job site, these frames 3, 3 are connected together and handled as one body, and the bolt is removed after installation. At machining, any cutting vibration acting on these spindles 2, 2 is transmitted with each other only by way of the floor of a factory.
Patent JP-H06204864-A (JP)
Title: Pll circuit
Inventor: KASHIWAGI TAKASHI
IPC: H03L7/107
Filed: 1992-12-28
Abstract: PURPOSE:To speed up lock-up time and to improve the CN ratio of a VCO output signal without complexing and increasing circuit constitution. CONSTITUTION:Resistors 77, 78 or capacitors 81, 82 are respectively connected to respective base bias resistors 73 to 76 of two transistors(TRs) 71, 72 in a charge pump circuit 7 and respective resistors 77, 78 or capacitors 81, 82 are connected/disconnected by respective switching means 79, 80 based upon an enable signal.
Patent JP-H06195907-A (JP)
Title: Magnetic recording medium and servo signal write method for the medium
Inventor: MORITA OSAMI
IPC: G11B5/84
Filed: 1992-12-25
Abstract: PURPOSE:To cope with the rise of density of a magnetic recording medium such as a magnetic disk and to obtain a sufficient reproduced output. CONSTITUTION:A resist 8 is formed on the surface of a magnetic disk 5 consisting of a substrate 6 and a magnetic layer 7 laminated on the upper face of the substrate 6, and laser light is turned on/off synchronously with a clock pulse to cut the resist 8 in the outermost periphery of the magnetic disk 5. Each part of the magnetic layer 7 exposed by this cutting is subjected to etching treatment, and all of the resist 8 is removed, and a servo signal is written in the remaining magnetic layer 7 synchronously with the clock pulse.
Patent JP-H11342529-A (JP)
Title: Hollow molded object made of synthetic resin, its production, and mold for molding tubular object
Inventor: KAWABATA YASUSHI
IPC: B29K101/12
Filed: 1998-12-17
Abstract: PROBLEM TO BE SOLVED: To provide a hollow molded object made of a synthetic resin excellent in heat deformation resistance and mechanical strength and a method for producing the hollow molded object by blow molding. SOLUTION: A hollow molded object 1 made of a synthetic resin comprises a thermoplastic resin compsn. containing 1-40 wt.% liquid crystal resin and the liquid crystal resin is dispersed in a thermoplastic resin in a fibrillated state and the fibrils of the liquid crystal resin are substantially oriented in the peripheral direction A along the peripheral surface 2 of the hollow molded object 1.  The hollow molded object 1 can be produced by mixing the liquid crystal resin and the thermoplastic resin having an m.p. or melting temp. lower than the liquid crystal transition point of the liquid crystal resin in an extruder in a molten state and rotating a part of a resin flow channel part centering around the rotary axis extending in the same direction as the flow direction of the resin to extrude a parison wherein the fibrils of the liquid crystal resin are oriented in the rotary direction and performing the blow molding of the parison.
Patent JP-H05179573-A (JP)
Title: Water repellent and oil repellent
Inventor: HASHIMOTO TATSUYA
IPC: C09K3/18
Filed: 1991-12-27
Abstract: PURPOSE:To obtain a water repellent and oil repellent having improved cleaning durability by blending a copolymer containing a perfluoroalkyl group and an active hydrogen group as a water repellent and oil repellent component with a block isocyanate compound. CONSTITUTION:A latex of a perfluoroalkylethyl acrylate-vinylidene-benzyl methacrylate-2-hydroxyethyl acrylate tetrapolymer is blended with an aqueous dispersion of a polymethylene polyphenyl polyisocyanate of the formula (R1 and R1 are H or lower alkyl; n is positive integer) and diluted with water to prepare a water repellent and oil repellent.
Patent JP-2000178336-A (JP)
Title: Lens material for fit to eye and lens for fit to eye
Inventor: KITAHARA YOSHITAKA
IPC: C08G18/61
Filed: 1998-12-17
Abstract: PROBLEM TO BE SOLVED: To obtain a lens material having optical transparency, high oxygen permeability, and improved mechanical strengths by using a three-dimensional network structure polyurethane comprising silicone units and skeletal units each of which is composed of two bonded benzene rings in a specified ratio and having a specified urethane bond concentration. SOLUTION: This material comprises 10-60 wt.% repeating units of formula I and 1.5-30 wt.% repeating units of formula III and having an urethane bond concentration of 10-30 wt.%. A polyurethane which is substantially nonswellable in water is used. In the formulae, R1 and R2 are each a 1-4C alkyl; d is 3-29; A is formula II (wherein a is 1-4; Y is O; and Z is a 5 or 6 linear or branched alkyl having two O atoms); B is a 1-5C alkyl; X is -CH2-, -C(CH3)2-, -C(CF3)2-, -S(=O)2-, -S-, or -NH-; R3 and R4 are each H or methyl (provided that either of them is H); R5 to R12 are each H or F; and m and n are each 0-5.
Patent JP-2000177338-A (JP)
Title: Tire for racing cart
Inventor: OTSUJI HIDEKI
IPC: B60C3/04
Filed: 1998-12-17
Abstract: PROBLEM TO BE SOLVED: To effectively improve lateral rigidity without increasing vertical rigidity by restricting the rotation of bead cores to maintain high tensile strength of a carcass. SOLUTION: An insulation rubber layer 7 is provided between two carcass plies 6A, 6B in a bias structure. The insulation rubber layer 7 includes a core covering portion 7A having a thickness T of 0.2-1.0 mm and ranging over along the inner and outer faces 5a, 5b of a bead core 5 in a tire axial direction and the lower face 5c in a tire radial direction. The 100% modulus Mi of the insulation rubber layer 7 is 150-300% of the 100% modulus Mc of a topping rubber of a carcass 6 and the JISA rubber hardness HSi of the insulation rubber layer is 115-150% of the JISA rubber hardness HSc of the topping rubber.
Patent JP-2000176047-A (JP)
Title: Golf ball excellent in scratch resistance and wear resistance
Inventor: MARUOKA KIYOTO
IPC: C08G18/66
Filed: 1998-12-17
Abstract: PROBLEM TO BE SOLVED: To improve the scratch resistance and wear resistance of a golf ball by setting the hardness of a paint film covering the surface of the golf ball in a specified range. SOLUTION: In the production of a golf ball having a surface covered with a high hardness paint film with small thickness, the surface is covered with the paint film having a film thickness within the range of 5-20 μm and a hardness calculated from the expression: Hardness = (test load)/ 26.43×(penetration depth [unit: mm])2) within the range of 21-60 N/mm2. From the point of glossiness and transparency, the paint film preferably consists of a polyurethane paint containing a polyol and a polyisocyanate, and further, the equivalent ratio of the three-functional polyol to 2-funcational polyol contained in the polyol is preferably within the range of 1.0-2.5. Further, the equivalent ratio of the isocyanate group of the polyisocyanate to the hydroxyl group of the polyol is preferably within the range of 0.9-1.5.
Patent JP-H10185220-A (JP)
Title: Warming unit utilizing heat collected from sunroom
Inventor: NISHI SHUNJI
IPC: F24S90/00
Filed: 1996-12-24
Abstract: PROBLEM TO BE SOLVED: To utilize a sunroom positively for warming while protecting a human body against trouble due to UV-rays and eliminating an insufficiently warmed state due to insufficient collection of sunshine heat automatically. SOLUTION: A sunroom 1 and a room 2 to be warmed are provided with thermostats 3-1, 3-2 respectively and the room 2 to be warmed is provided with a supply air duct and a return air duct 4-1, 4-2 communicating with the sunroom 1. The supply air duct 4-1 is fixed with a fan 5 which is controlled through a controller 7 along with a warming unit 6.
Patent JP-2000179826-A (JP)
Title: Method for treating exhaust gas containing fly ash
Inventor: IWASAKI MAMORU
IPC: F23J15/04
Filed: 1998-12-18
Abstract: PROBLEM TO BE SOLVED: To provide a method for treating an exhaust gas containing fly ash capable of decomposing and detoxifying a dioxin and the like by removing the ash containing the dioxin and the like and acid gas contained in the gas generated in a waste incinerating facility and stabilizing the ash. SOLUTION: The method for treating exhaust gas containing fly ash comprises a smoke cleaning step 10 of bringing a hydrochloric acid absorption liquid held at 2.0 to 6.0 of a pH at the gas generated in a waste incinerating facility 1 into contact with a gas to transfer the acid gas and the ash into the liquid to extract a soluble inorganic chlorine and heavy metal contained in the ash by the liquid to stabilize the ash, a dioxin decomposing step 23 of including the liquid containing the stabilized ash obtained in the cleaning step in a reaction catalyst melting state and holding it under a lower temperature condition than 100 deg.C in a pH range of 2.0 to 6.0 to decompose and detoxify the dioxin and the like in the ash,  and a treating step of the ash slagged by solid-liquid separating the liquid containing the stabilized ash obtained in the decomposing step and supplying an ash-containing slurry or cake containing the separated stabilized ash to the facility 1 or other incinerating facility.
Patent JP-H11190716-A (JP)
Title: Gas sensor
Inventor: OKUMURA TATSUYA
IPC: G01N27/409
Filed: 1997-12-26
Abstract: PROBLEM TO BE SOLVED: To provide a gas sensor sufficiently durable against a shock or a vibration from an exterior. SOLUTION: An oxygen sensor 1 comprises a sensor element 2 for changing an electric characteristic value between electrode terminals in response to an oxygen concentration of an exhaust gas, a body metal fitting 3 for containing the element 2, an insulating housing 32 for holding the terminals of the element 2 in the state in contact with a female contact 31, and a caulking ring 35 holding the housing 32 to hold the state for holding the terminals of the element 2 by the contact 31 by the housing 32. A plurality of legs 35a are extended downward from a peripheral edge of a lower end of the ring 35, and integrated with an outside of an inner cylindrical member 13 by welding or the like. Thus, if the sensor 1 receives an impact or a vibration from an exterior, the contact 20 mounted at the element 2 becomes a load to effectively prevent a deflection of the element 2.
Patent JP-H06199039-A (JP)
Title: Heat reversible recording material
Inventor: KOYAMA SATOSHI
IPC: B41M5/26
Filed: 1992-12-29
Abstract: PURPOSE:To perform recording and erasing of an image through utilization of a change between transparency and cloudiness by a method wherein the change between transparency and cloudiness is produced owing to a difference in a heating temperature. CONSTITUTION:A heat reversible recording layer wherein an organic low molecular material indicating heat reversibility is dispersed in a resin matrix material is formed on a substrate, when a heat reversible recording material being first in a cloudy state at a room temperature lower than temperature T0 is heated to temperature between T1-T2 (a clearing temperature width) the material is, as shown in a figure, brought into a transparent state, and thereafter, even when the temperature is returned to a room temperature, the state is held. Further, when, after the material is heated to T3 or higher, it is cooled to a room temperature, it is not brought into a transparent state but to an initial cloudy state. An organic low molecular material is lauric acid monoethanol amide.
Patent JP-2001175120-A (JP)
Title: Fixing device and image forming device
Inventor: FUKUSHIMA MASAHIKO
IPC: G03G15/20
Filed: 1999-12-20
Abstract: PROBLEM TO BE SOLVED: To provide a fixing device which is equipped with a temperature sensor excellent in heat responsiveness and a heat runaway prevention means and where the arrangement of the temperature sensor and wiring are facilitated and extra space is not required. SOLUTION: This fixing device 17 is provided with a thin heating roller 17a having heating heaters H1 and H2 being two heating elements having different heat distribution characteristic inside and a pressure roller 17b. The heater H1 has the peak of the heat distribution characteristic at the center in an axial direction and the heater H2 has the peak of the heat distribution characteristic in the vicinity of both ends in the axial direction. Temperature sensors S1 and S2 are arranged at positions corresponding to the peak positions in the axial directions of the heaters H1 and H2 on the surface of the roller 17a at equal distances from the center lines of the heaters H7 and H2, and the temperature of the heaters H1 and H2 is controlled based on the detected temperature by the sensors S1 and S2.
Patent JP-2000183167-A (JP)
Title: Manufacture of semiconductor device
Inventor: SAKAMOTO TATSUYA
IPC: H01L23/52
Filed: 1998-12-18
Abstract: PROBLEM TO BE SOLVED: To accurately form a metal wiring pattern, even when a metal wiring material which is difficult to dry-etch is used. SOLUTION: As shown in Fig. (c), a patterning film 15 having an opening 15a facing opposite a region is formed, where a metal wiring 12 is to be formed on a silicon wafer 11 in which a barrier metal 13 and a seed film 14 are stacked. As shown in Fig. (d), the film 14 is subjected to electroplating by using the same kind of metal as the film 14 to form a metal wiring film 16. After that, the film 15 is removed through dry etching, and the unwanted part on the film 14 is removed through wet etching. Finally, the unwanted part on the film 13 is removed through dry etching to obtain the pattern of a metal wiring 12 shown in Fig. (g) on the wafer 11.