baber/WOPTO huggingface dataset:
Patent JP-H02252613-A (JP)
Title: Separating and recovering method of cerium compound
Inventor: DOUKO YOSHIHARU
IPC: C01F17/10
Filed: 1989-03-23
Abstract: PURPOSE:To recover cerium in high yield by adding aqueous solution of sulfuric acid to a mixture containing naphthalenecarboxylic acid and Ce compound, separating insoluble naphthalenecarboxylic acid and adding alkaline aqueous solution. CONSTITUTION:An aqueous solution of sulfuric acid is added to a mixture containing naphthalenecarboxylic acid and cerium compound to dissolve the cerium compound in the aqueous solution of sulfuric acid. Next, insoluble naphthalenecarboxylic acid is separated from said aqueous solution and an alkaline aqueous solution is added to the aqueous solution of sulfuric acid, then the cerium compound is separated and recovered as a solid to separate and recover cerium compound. Naphthoic acid, naphthalenedicarboxylic acid, naphthalenetricarboxylic acid or naphthalenetetracarboxylic acid is utilized as naphthalenecarboxylic acid. On the other hand, aqueous solution of sodium hydroxide, potassium hydroxide, calcium hydroxide, sodium carbonate, potassium carbonate, sodium bicarbonate or potassium bicarbonate is used as alkaline aqueous solution.
Patent JP-H05277921-A (JP)
Title: Internal grinding finishing machine
IPC: B24B41/06
Filed: 1992-03-27
Abstract: PURPOSE:To provide an internal grinding finishing machine capable of performing grinding finishing on a specified area highly in finishing precision concerning the internal grinding finishing machine to perform the grinding processing on the specfied area on an internal peripheral surface of a hole on a work having the aforementioned hole forming a columnar shape. CONSTITUTION:This is provided with a work support device 20 constituted by being furnished with a core bar 40 supporting a work is the state of extensively having the central axis of a hole of the work in the same direction as a rotational axis of a finishing main spindle 11 by way of inserting it into the hole of the work, a work clamp means 50 fixing the work W by adhering an internal peripheral surface on the side occupied by an area to be performed with grinding finishing in the hole by way of pressing the work from outside and a work oscillating means 60 to oscillate the work installed on the core bar 40 around an axis extending in parallel with the central axis of the processing spindle 11 as its center.
Patent JP-H04308038-A (JP)
Title: Parts accompanied with rolling or sliding
Inventor: SUGI HIROMI
IPC: C21D1/09
Filed: 1991-04-04
Abstract: PURPOSE:To provide parts accompanied with rolling or sliding, improved in accuracy and wear resistance by irradiating a material to be worked with energy beam, quench-hardening and forming the quench-hardened surface as compressive stress range after giving the optimum surface hardness to this material to be worked. CONSTITUTION:By irradiating the part for raceway surface or sliding surface in the material 1 to be worked with the high energy beam 2, this part is quench- hardened, and then, this quench-hardening treating surface 3 is formed as compressive stress range.
Patent JP-S546538-A (JP)
Title: Ink jet printer
Inventor: JINNAI KOUICHIROU
IPC: H04N1/23
Filed: 1977-06-16
Abstract: PURPOSE:To perform color printing free from dot deviations by applying delays corresponding to disposition distances to the printing signals to be applied to the injection ports provided behind the injection port at the leading end in the scanning direction when plural ink jet injection ports are integrally formed.
Patent JP-S6254749-A (JP)
Title: Resin composition having excellent crushing and hot-melt characteristic
Inventor: FUJISAKI YASUYUKI
IPC: C08L33/02
Filed: 1986-03-28
Abstract: PURPOSE:To provide the titled compsn. having excellent crushing and hot-melt characteristics and suitable for use as a toner for dry electrophotography and powder coating, by uniformly mixing a polymer having a low degree of polymn. obtd. from at least one monomer selected from among styrenes and (meth)acrylic esters, with a high-molecular polymer obtd. from said monomer. CONSTITUTION:At least one monomer selected from among styrenes [e.g., (alpha-methyl)styrene], acrylic esters (e.g., methyl acrylate) and methacrylic esters (e.g., methyl methacrylate) is polymerized at a low temp. to obtain a polymer having a high degree of polymn. and a number-average MW of 100,000-500,000. 5-40pts.wt. said polymer is dissolved in 100pts.wt. aforementioned polymerizable monomer. The resulting soln. is polymerized under such conditions as to give a resin having a number-average MW of 2,000-30,000, a ratio of weight-average MW to number-average MW of 3.5-40 and a glass transition temp. of 20-120 deg.C, thus obtaining the titled compsn. wherein 5-40pts.wt. said polymer having a high degree of polymn. is uniformly mixed with 100pts.wt. polymer having a low degree of polymn.
Patent JP-H05275255-A (JP)
Title: Manufacture of transformer of good magnetic properties
IPC: H01F41/02
Filed: 1992-03-27
Abstract: PURPOSE:To acquire a transformer core material of good magnetic properties by piling up an electromagnetic steel plate and an amorphous or clystalline foil alternately. CONSTITUTION:A single phase laminated core is formed by piling up a directional electromagnetic steel plate whereto SiO2-based coating is applied and a three-element amorphous foil of iron-Si-boric acid alternately. A transformer is manufactured by winding a coil. Thereby, 2 transformer of good magnetic properties can be acquired.
Patent JP-S58189232-A (JP)
Title: Surface-treated friction material and its production
Inventor: HAMADA EIJI
IPC: F16D69/00
Filed: 1982-04-29
Abstract: PURPOSE:To prevent initial lowering of a coefficient of friction, by molding a friction material containing a base such as glass fiber, asbestos or paper and an organic binder and irradiating the material with laser beams to burn or carbonize the organic binder near the surface. CONSTITUTION:A friction material containing a friction material base such as glass fiber, asbestos or paper and an organic binder (e.g., phenolic resin, synthetic rubber) is molded in a mold under application of pressure and heat. The surface of the formed friction material is irradiated with laser beams to carbonize, by burning or partial heat decomposition, the organic binder contained in the superficial portion to a depth of at least 0.005mm.. Thus, it becomes possible to improve its friction performance by removing an excessive organic binder exuded to the surface of the friction material during molding and thereby preventing initial lowering of a coefficient of friction of the friction material due to the excessive organic binder.
Patent JP-S59199578-A (JP)
Inventor: HIGUCHI MATSUO
IPC: C04B35/58
Filed: 1983-04-22
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S61230158-A (JP)
Title: Photoconductive toner
Inventor: KAWABATA TOSHIYASU
IPC: G03G9/09
Filed: 1985-04-04
Abstract: PURPOSE:To obtain the titled toner having a good sensitivity and an excellent dispersion and thermal stability by incorporating a specific bisazo compd. to a binding resin. CONSTITUTION:The binding resin contains the bisazo compd. shown by the formula wherein A is a coupler residue. The coupler shown in the formula comprises for example, an aromatic hydrocarbon having a hydroxyl group such as a phenol and a naphthol; a heterocyclic compd. having a hydroxyl group, an aromatic hydrocarbon having an amino group, a heterocyclic compd. having an amino group, a heterocyclic compd. having an amino group, an aromatic hydrocarbon and a heterocyclic compd. having a hydroxy group and an amino group such as aminonaphthol and a compd. having an aliphatic or an aromatic ketone in an enolic form (a compd. having an active methine group). The compounding ratio of the binding resin and the bisazo compd. is preferable to be a range of 1:0.5-1:5. The titled toner having the good sensitivity and the excellent dispersibility and thermal stability is obtd. by incorporating the bisazo compd. as mentioned above, to the photoconductive material.
Patent JP-H02251937-A (JP)
Title: Acoustooptic switch
Inventor: FUJITA MASAYUKI
IPC: G01M11/00
Filed: 1989-03-27
Abstract: PURPOSE:To suppress sufficiently waveform fluctuations due to the polarization dependency of the diffraction efficiency of an acoustooptic element by providing a Faraday rotator whose polarizing direction can be rotated by + or -45 deg.. CONSTITUTION:The Faraday rotator 60 which has such a thickness that the polarizing direction is rotated by 45 deg. in a saturated magnetic field is fixed on one end surface of a converging rod lens 41. Further, the Faraday rotator 60 is applied with the saturated magnetic field by feeding electricity to coil 70 earlier than the light pulse emission signal (sent light pulse) of a light pulse tester. The waveform distortion of back scattered light, guided to the convergence type fiber 30, due to the polarization dependency of the diffraction efficiency of the acoustooptic element 50 is inverted when an observation is made with a 1st light pulse and a 2nd light pulse. For the purpose, the light signal which is guided to a convergence type fiber 30 is averaged by performing measurement plural times to eliminate the waveform distortion due to the polarization dependency of the acoustooptic element 50.
Patent JP-H06277543-A (JP)
Title: Vertical pulverizer
Inventor: MIYAZAKI KEIICHIRO
IPC: B02C23/02
Filed: 1993-03-30
Abstract: PURPOSE:To provide a vertical pulverizer less apt to cause sticking and developing of raw material powder and the clogging by it due to moisture in a raw material feeding chute. CONSTITUTION:A hot air feeding pipe 18 is concentrically arranged over the outer periphery of a raw material feeding chute 17 hanging down to the center of a vertical pulverizer 1 and also a hot air source for feeding hot air to the hot air feeding pipe 18 and an intake 18a of the hot air feeding pipe 18 are connected.
Patent JP-S58190606-A (JP)
Title: Desulfurization using three-stage combustion
Inventor: SEKIGUCHI YOSHITOSHI
IPC: F23C6/04
Filed: 1982-04-28
Abstract: PURPOSE:To improve an efficiency of desulfurization of discharging combustion gas by a method wherein the sulfide generated in the secondary combustion chamber is made to a carbonate by a carbonating device and H2S generated in the carbonating device is recovered by a Clous furnace. CONSTITUTION:A furnace is composed of a primary combustion chamber 1, a secondary combustion chamber 4 and a third combustion chamber 8. Combustion gas 13 passed through a secondary processing device 11 for discharging gas is discharged to the surrounding air 14. A carbonating device 15 for recovering sulfide 16 generated by the carbonate 7 in the secondary combustion chamber 4 to the carbonate 7 takes the ash 17 from the sulfide 16 and then produces H2S 18 in the interior thereof. In the Clous furnace 19 into which H2S 18 generated in the carbonating device 15 is introduced and O2 20 is supplied to recover the simple substance of sulfur 21 and the carbonate 7, the carbonate 7 is circulated to the secondary combustion chamber 4. Thereby, it is possible to improve an efficiency of desulfurization of the combustion discharging gas and at the same time to reuse the desulfurization agent.
Patent JP-H10265772-A (JP)
Title: Composition, colorant, sheet, ink and coating material of reversible thermal color developing/fading
Inventor: HINO KINNOSUKE
IPC: C09D11/00
Filed: 1997-03-25
Abstract: PROBLEM TO BE SOLVED: To obtain the subject composition essentially comprising an electron- donating coloring organic compound and an aryl derivative, enabling repeated color development and fading reversibly and continuously by the aid of heat, and presenting high durability to both heat and light. SOLUTION: This composition essentially comprises (A) an electron-donating coloring organic compound (pref. crystal violet lactone) and (B) an aryl derivative bearing a phenolic hydroxyl group and at least one electron-donating substituent (pref. alkyl, aryl or alkyoxy) adjacent thereto [pref. 1,1-bis(6-methyl-4- hydroxy-3-t-butylphenyl)butene].
Patent JP-H01247779-A (JP)
Title: Device of shutting down compressor when belt is cut
Inventor: ISHIKAWA YASUHIRO
IPC: F04B49/10
Filed: 1988-03-28
Abstract: PURPOSE:To shut down a compressor rapidly and appropriately by a method wherein an electromagnet circuit which closes a reflux pipe when a specific amount of time has passed after exhaust pressure of the compressor drops below a specified rate, and at the same time stops a motor for driving the compressor is provided on the reflux pipe of the compressor. CONSTITUTION:Air sucked into a compressor 8 from an inlet air system 9 is compressed together with lubricant to be forcedly sent to a receiver tank 12 via an exhaust pipe 10. Compressed air in the receiver tank 12 is separated from lubricant by an oil separator 14 and transmitted from an air outlet pipe 16. On the other hand, the lubricant is returned to the compressor 8 via respective reflux pipes 19, 21 equipped with an oil cooler 20. The compressor 8 is driven by a motor 5 via transmission devices 6, 4, 7. In this constitution, an electromagnetic circuit 1 which controls communication of the respective reflux pipes 19, 21 and driving of the motor 5 according to the output of a pressure switch 2 when time specified by a timer 3 has passed is provided between the respective reflux pipes 19, 21.
Patent JP-H11269149-A (JP)
Title: Production of 2-iminoimidazolidines
Inventor: ISOBE TOSHIO
IPC: C07D233/50
Filed: 1998-03-20
Abstract: PROBLEM TO BE SOLVED: To industrially advantageously obtain the subject compound in high yield under mild conditions without causing any environmental problem by reacting aminoethylthioureas with a specific haloiminium salt. SOLUTION: (A) Aminoethylthioureas are reacted with (B) a haloinium salt of the formula [R<1> and R<2> are each a lower alkyl; X is a halogen; (n) is 2 or 3] and (C) a base to provide the objective compound. The component B includes 2-chloro-1,3-dimethylimidazolimium chloride, 2-chloro-1,3-dimethyl-3,4,5,6- tetrahydropyrimidinium chloride. The component C includes pyridine, triethylamine, tributylamine, or the like. The components B and C are preferably each used in amounts of about 1 mol and about 2 mol based on 1 mol component A, respectively. Stainless reactor can be used without using a specific reactor such as a reactor subjected to glass lining as the reactor.
Patent JP-H09265705-A (JP)
Title: Disk clamping device
Inventor: NAGASATO MAKOTO
IPC: G11B17/028
Filed: 1996-03-27
Abstract: PROBLEM TO BE SOLVED: To chuck and drive a plurality of optical disks different in size with the same spindle motor and a chucking mechanism by providing a centering member, a locking member, a compression coil spring or the like. SOLUTION: During the use of a first optical disk 101, a second turntable 115 held by a first compression coil spring so as to be moved in the axial direction of a spindle motor output shaft 133 is moved to the same position as the carrying surface of a first turntable 125 by the disk 101. A centering member held by a second compression coil spring so as to be moved in the axial direction of the shaft 133 performs centering for the disk 101 and carries the disk 101 on the turntable 125. On the other hand, during the use of a second optical disk 103, a locking member is pressed in the axial direction of the shaft 133 by the disk 103 and the disk 103 is carried on the turntable 115. Thus, even if the spindle motor 112 is rotated in any of forward and backward directions, optical disks different in size are driven.
Patent JP-S61230509-A (JP)
Title: Impedance matching circuit
Inventor: SENBA TAKASHI
IPC: H03H7/38
Filed: 1985-04-05
Abstract: PURPOSE:To set optionally an impedance viewed from a signal terminal with less current value by connectig respectively plural diodes in forward connection between the signal input terminal and a power terminal and a constant current source between the signal input terminal and earth respectively. CONSTITUTION:The titled circuit consists of n-set of diodes 5 in p-n forward direction connected in cascade between the signal input terminal 3 connected to a high impedance circuit 4 and a power terminal 1 and the constant current source 6 connected between the terminal 3 and earth 2. The impedance viewing the circuit from the terminal 3 is decided by an impedance Z1 of the diodes 5 and expressed as Z1=nkT/qI, where (k) is Boltzmann's constant, T is a temper ature (q) is an electric charge of an electron, and I is a current value of the current source 6. Further, the operating bias point VOP of the terminal 3 is expressed as VOP=V-nX(kT/q)ln(I-IS), where (n) since is an integer. In giving three conditions of Z1, VOP, (n), a constant current value is obtained and since a value kT/q is 26mV at 27 deg.C, the impedance per diode is given as 26OMEGA at 1mA.
Patent JP-H01244212-A (JP)
Title: Device for sensing burner flame
Inventor: MIYAZAKI KEIICHI
IPC: F23N5/02
Filed: 1988-03-25
Abstract: PURPOSE:To heighten the effect of energy saving and improve the life of an ignition device by a method wherein a flame sensing time from the ignition starting time till a flame sensing is varied in response to a temperature of open air to be blown to an outer circumference of a flame and the amount of the blown air to the outer circumference of the flame. CONSTITUTION:A time from an ignition starting of a burner 3 to a flame detection performed by a flame sensor 34 is controlled in response to a surrounding air temperature detected by a surrounding air temperature sensor 51 when a drying operation is started. When a detected surrounding air temperature is high, a time up to a flame detection is controlled to be set to a short period of time. In turn, when it is low, it is controlled to be set to a long period of time. When the flame is not detected within these set times, the flame is reignited and then a drying operation is started. In addition, an amount of air sucked and discharged by a blower 7 is controlled by a sensed moisture detected by a moisture sensor 24. A time from an ignition starting of the burner 3 to the flame detection by the lame sensor 34 is controlled. When it is small in volume, a time up to detection of flame is controlled to be set in a short time and in turn when it is a large amount, it is controlled to be set to a long period of time.
Patent JP-H01246070-A (JP)
Title: Surface plate for lapping
Inventor: NAKAMURA KAZUO
IPC: B24B37/12
Filed: 1988-03-25
Abstract: PURPOSE:To quickly position the surfaces of a specimen and dummy specimen on the same plane and to readily fix the respective surface plates with both surfaces kept on the same plane by inserting the small diameter section of a main lapping surface plate into the opening of a sub-lapping surface plate and using a belt-like fastening member for fixing both surface plates with each surface which the specimens are to be stuck thereto positioned on the same plane approximately. CONSTITUTION:A dummy specimen 11 is stuck to the surface of a sub lapping surface plate 102, and the surface of the dummy specimen 11 is lapped into high accurate flatness. In the next step, the small diameter section of a main lapping surface plate 101 is inserted into the opening of the sub lapping surface plate 12. In the next step, the specimen 10 stuck to the surface of the main lapping surface plate 101 and the dummy specimen 11 are brought into contact with a optical flat 16 for positioning the surfaces of both specimens on the same plane, and both surface plates 101 and 102 are integrally fixed without changing the condition that both surfaces of the specimens 10 and 11 are on the same plane with a belt like fixing member 103 and screws 14. After that, the specimens 10 and 11 are polished in an ordinary lapping method.
Patent JP-S57188639-A (JP)
Title: Non-heat treated aluminum alloy for cutting work and its manufacture
Inventor: ASANO KAZUHIKO
IPC: C22F1/04
Filed: 1981-05-14
Abstract: PURPOSE: To obtain non-heat treated Al alloy for cutting work which has ability of cutting, by dispersing crystallized bodies in a substrate by casting Al alloy which contains specific amounts of Mn, Fe, Si, and Cu, and then performing heat uniforming, extrusion and drawing work.  
     CONSTITUTION: Al alloy which contains 0.3W1.8% Mn, 0.05W1% Fe, 0.05W 0.8% Si, and 0.05W0.4% Cu is cast by solution. This ingot is heated uniformly at 480W635°C for 1W24hr. Then, it is extruded at 320W520°C at a ≤80 extrusion ratio, and this extruded material is drawn at a ≤80% working rate. By this method, ≥1 kind of heat-untreated Al alloy for cutting work wherein Al 6  (Mn, Fe) having ≥10μm 2  sectional area and Al-Fe-Si crystallized bodies are dispersed uniformly by 300 pieces per 1mm 3  is obtained. This Al alloy has enough ability of cutting for automatic cutting work and is suitable for car parts, and materials for the drum of a copying machine. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H09264148-A (JP)
Title: Intake flow control device for internal combustion engine
Inventor: HOSHI KOICHI
IPC: F02D9/02
Filed: 1996-03-27
Abstract: PROBLEM TO BE SOLVED: To eliminate a feeling of 'slow going' of a vehicle in a sudden acceleration of engine by supplying a negative pressure to a negative pressure actuator for driving an intake flow control valve when the engine load exceeds a set value, and changing the set value to the lower load side when the engine is suddenly accelerated. SOLUTION: An intake flow control valve 9 is arranged every cylinder, and a two step type negative pressure actuator 10 for driving the intake flow control valve 9 is provided. First and second directional control valves 11, 14 are controlled on the basis of a throttle opening sensor 21 and a rotation sensor 22 by a control device 20, whereby the intake flow control valve 9 is opened and closed. In ordinary time, when an engine load exceeds a set value, the negative pressure is supplied to the negative pressure actuator 10 to open the intake flow valve 9 from half open state to full open state, while the set value is changed on the lower load side in a sudden acceleration of the engine, whereby the intake control valve 9 is fully opened before the engine load reaches the initial set value.
Patent JP-H10252376-A (JP)
Title: Hot line tunnel widening device and widening method
Inventor: OSATO YOSHIO
IPC: E21D9/04
Filed: 1997-03-10
Abstract: PROBLEM TO BE SOLVED: To execute safety work and enhance work efficiency in simple structure. SOLUTION: This hot-line tunnel widening device comprises a movable protection shelter 2 laid out on the inner surface of a na existing tunnel, a movable work rack 3 provided on the movable protection shell 2, an excavation device 4 provided on the movable work rack 3, a support device 5, an operator compartment 6 and a mucking device set up outside the protection shelter 2. In this case, a rail 1 is set up on the subgrade of the existing tunnel and the protection shelter 2 is laid out on the rail 1 and then the movable work rack 3 is loaded on the movable protection shelter 2. The movable protection shelter 2 and the movable work rack 3 are adapted to move toward a cutting face in parallel with the axial direction of the tunnel.  The excavation device 4 provided on the movable work rack 3, the support device 5 and the operator compartment 6 are moved along a slit area in the direction at right angles with the axial direction of the tunnel, thereby executing excavation work and conveying excavated earth and sand and support waste material outside the pit with the mucking device.
Patent JP-H04307938-A (JP)
Title: Formation of interconnection
Inventor: HIGA MITSUHIRO
IPC: H01L21/3213
Filed: 1991-04-05
Abstract: PURPOSE:To provide a method for forming an interconnection by which an edge of a barrier metal layer is not broken or burrs are not caused. CONSTITUTION:An inverse taper-shaped resist layer 2 is formed on a lower interconnection layer 1. Then, on the whole surface, a barrier metal layer 3 and an upper interconnection layer 4 are formed in sequence. The barrier metal layer 3 which is extended from below the upper interconnection layer 4 that is formed on the lower interconnection layer 1 is light-etched and then is lifted off.