baber/WOPTO huggingface dataset:
Patent JP-2000205758-A (JP)
Title: Induction melting furnace and method for induction melting
Inventor: KAWABE MORIO
IPC: F27B14/14
Filed: 1999-01-14
Abstract: PROBLEM TO BE SOLVED: To provide an induction melting furnace with improved melting performance by improving a fluidity pattern in molten metal to enhance degassing efficiency without lowering melting efficiency during melting. SOLUTION: In the induction melting furnace 10 provided with plural induction coils 16A, 16B, a.c. power sources 12, 14 for applying a.c. to the induction coils 16A, 16B, and a crucible 18 for housing metal to be melted and melting the metal to be melted by heat generated by induction current Je and degassing the molten metal to be melted, the a.c. power sources 12, 14 comprise a high frequency power source 14 for being used at the time of melting the metal to be melted and a low frequency power source 12 for being used at the time of degassing the melted metal. When the low frequency power source 12 consists of 2 phases or 3 phases and is an a.c. power source with 50 Hz or 60 Hz, factories, steel works or the like are able to use conventional commercial power and not necessary to use a low frequency power source particularly separately.  This simplifies a structure of the induction melting furnace 10 and reduces production cost.
Patent JP-S59137780-A (JP)
Title: Method and device for atomizing dried substance
Inventor: RUDORUFU RETSUFUERUMAN
IPC: B01D1/18
Filed: 1984-01-20
Abstract: A spray dryer consisting of a tower-like drying container with spraying elements for introducing therein the material to be dried, pipelines and heater for injecting a heated drying gas, and a separator for separating dry fine material and gas. The dry fine material is agglomerated inside the drying tower. The separator consists of porous filter tubes, on which a dust-laden gas stream impinges, which covers the entire flow cross-section of the drying tower. Fine product material deposited on the filter tubes is shaken off by surges of compressed air and drops into a drying zone, a spraying zone, and finally, into a collecting hopper.
Patent JP-H07214902-A (JP)
Title: Reversible thermal recording material
Inventor: TORITSUKA KOICHI
IPC: B41M5/337
Filed: 1994-01-27
Abstract: PURPOSE:To obtain a recording material capable of forming and erasing an image in good contrast and capable of holding an image stable with the elapse of time by adding an electron donating dye precursor and an electron acceptive compd. represented by a specific formula generating a versible hue change by heating. CONSTITUTION:A reversible thermal recording material is obtained by generally providing a thermal recording layer based on a usually colorless or light-colored electron donating dye precursor and an electron acceptive coupler generating a reversible hue change, that is, color development and erasure in the dye precursor on a support. In this case, as the electron acceptive compd., a compd. represented by general formula (m is an integer of 1-2, n is an integer of 0-1, X is an oxygen atom or sulfur atom, Y is an oxygen atom or an-NH-group and R is an aliphatic hydrocarbon group. It is pref. that R has a larger number of carbon atoms and a 6-22C aliphatic hydrocarbon group is especially pref.) is used.
Patent JP-H03212299-A (JP)
Title: Induction heat type cordless iron
Inventor: YAMAGUCHI SHIGEKI
IPC: D06F75/02
Filed: 1990-01-17
Abstract: PURPOSE:To reduce the consumption power and to enhance the safety by energizing an electromagnetic induction heating device provided in an iron bed, only when a signal receiving means receives date indicating a use condition from an iron body, so as to energize the iron body only during ironing. CONSTITUTION:An iron body 1 incorporates a use condition detecting means 5 and a use condition data transmitting means 8 which responds to the detecting means 5, and an iron bed 9 incorporates a use condition data receiving means 15 so that an electromagnetic induction heating device 12 is energized only when the receiving means 15 receives use condition date from the iron body 1. That is, when ironing is made by the iron body 1 on the iron bed 9, the use condition detecting means 5 delivers use condition data to the transmitting means 8 which then transmits the data to the receiving means 15. Accordingly, the electromagnetic induction heating device 12 is energized so as to induction- heat the iron body 1.
Patent JP-S58127089-A (JP)
Title: Corrosion preventive device for power station
Inventor: OOWADA MINORU
IPC: F22D11/00
Filed: 1982-01-22
Abstract: PURPOSE:To reduce the occurrence of ammonia attacking phenomenon to prevent corrosion of  a condensate cooling tube by providing a recovery tube in an air extractor attached to a  condenser in the power plant performing pH control, and connecting one end of the recovery  tube to the condenser tube system of a condenser. CONSTITUTION:An air extractor 4 is attached through a connecting tube 5 to one side of the  condenser 3 in the power plant performing control of pH of condensate and supply water using  an alkaline water processing agent. In this air extractor 4 is embedded a tube 6 for discharging a gas into the atmosphere which discharges gasified ammonia. To the air extractor 4 is  connected one end of a recovery tube 22 provided with an injection pump 21 which injects  drain. In this recovery tube 22 are provided branch tubes 22a and 22b which are formed by  dividing the tube 22 at its intermediate part. One branch tube 22a is connected to the outlet  side 13a of the condenser pump 13 of the condenser tube system 12 through a switching valve  23. The other branch tube 22b is connected to the outlet side 14b1 of a low pressure water  supply heater 14b of a condenser tube system 12. In this manner, the drain within the air  extractor 4 passes through the recovery tube 22 and is recovered in the condenser tube 12,  whereby the ammonia concentration in the condenser 3 can be reduced to about 25% and the  elution amount of copper can be reduced to 1/2 or less and further the effective ammonia  attack resistance can be realized.
Patent JP-S56104874-A (JP)
Title: 3,5-dioxo-hexahydro-1,2,4-triazine derivative, its preparation and herbicide containing the same as effective component
Inventor: MIZUTANI MASATO
IPC: C07D253/06
Filed: 1980-01-24
Abstract: NEW MATERIAL:The titled compounds of formula I [A is H, alkali metal; R is lower alkyl, cycloalkyl, formula II (R 1  is lower alkyl and alkoxy, halogen; n is 0W5)].  
     EXAMPLE: 2-Acetyloxymethyl-3,5-dioxo-hexahydro-1,2,4-triazine.  
     USE: Herbicide: they have a high herbicidal activity against oats and show high selectivity for wheat. Further, they show the herbicidal effect by pre-emergence treatment and weeds are controlled without injuring cotton, rice plant, beet, wheat and so on. They also show a growth regulation effect, when it is applied in a low concentration. The dose is 5W50g/a, based on the effective ingredient.  
     PREPARATION: A 3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazine derivative of formula II is hydrogenated in an alcoholic solvent in the presence of a catalyst at normal to 50 atmospheric pressure and 0W80°C for 1W12hr to form the compound of formula I. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H11202616-A (JP)
Title: Image forming device
Inventor: KAWASAKI AKIHIRO
IPC: G03G15/06
Filed: 1998-01-19
Abstract: PROBLEM TO BE SOLVED: To reduce irregularity in driving and to realize a highly definition image, and compaction and a low cost of the device by eliminating the need for a developing roller and a recovering roller and composing the device so as to carry out developer electrification and development simultaneously. SOLUTION: The device is equipped with an image carrier 1, a means 3 for forming an electrostatic latent image on the image carrier 1, an electrically conductive elastic member 5 which is in pressure contact with the image carrier 1, a means 16 for applying bias potential to the conductive elastic member 5, and a means 4 for supplying non-magnetic one-component developer 8 between the conductive elastic member 5 and the image carrier 1. The conductive elastic member 5 is made of a material having an electrification polarity which is opposite to the electrification polarity of the developer in the electrification sequence.
Patent JP-H10205795-A (JP)
Title: Air conditioner
Inventor: FUJIWARA TATSUO
IPC: F24F13/22
Filed: 1997-01-20
Abstract: PROBLEM TO BE SOLVED: To provide an air conditioner having a horizontal vane in which it provides no condensation and is difficult to contaminate, and which is easy to clean and is inexpensive with a high degree of freedom of a design. SOLUTION: The air conditioner is provided with a space 43 between a drain pan 36 and an axial end of a horizontal vane 41. A guide plate 45 having a hole drilled therethrough guides part of air on a blowoff passage to the space 43, and flows the part of the air around the axial end 41b of the horizontal vane 41 through the hole. Thus, fine air flows around the end 41b so that disturbance of the air is eliminated, and mixing of cold air and hot air is eliminated to prevent condensation from being formed on the end 41b. The air is guided to the back surface of the axial end 41b of the horizontal vane 41 by a guide part of a decorative panel.
Patent JP-S5599967-A (JP)
Title: Disazo dye for cellulose-containing fibers
Inventor: IMAHORI SEIICHI
IPC: D06P3/85
Filed: 1979-01-26
Abstract: NEW MATERIAL:The title disazo dye of formula I [R 1 , 2  are H, halogen, nitro, cyano, trifluoromethyl, lower alkyl, etc.; R 3W5  are H, halogen, lower alkyl, acylamino, etc.; R 6 , 7  are H, allyl, halogen, cyano, (substituted) lower alkyl, etc.; X is amino, 1W6C mono- or di-alkylamino, anilino, etc.].  
     USE: Dyeing of cellulosic fibers such as cotton, hemp, rayon, etc. or blended fibers of polyester and cellulosic fibers, in fast blue color. Suitable for padding or printing.  
     PROCESS: The title dye is prepared e.g. by coupling a diazonium salt of a 4-aminoazobenzene of formula II with an aniline of formula III. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S63301858-A (JP)
Title: Prostaglandin compound
Inventor: KOJIMA KOICHI
IPC: C07C67/00
Filed: 1988-01-18
Abstract: NEW MATERIAL:A compound of formula I (R<1> is carboxy, tetrazolyl, carbamoyl; R<2>, R<3> are H, OH-protecting group; R<4> is H, 1-4C alkyl; R<5> is alkyl, alkenyl; S is ethylene, vinylene, -O-, -CH2-; m is 0-5; n is 2-5). EXAMPLE:5-Oxo-16-phenoxy-17,18,19,20-tetranolprostagladin E1 methyl ester. USE:Antiulcerative. It shows anti-ethanol ulcerative action with reduced side-effect of blood platelet coagulation. PREPARATION:An aldehyde derivative of formula II (R<2>, R<3>, R<7> is hydroxyl- protecting group) is used as a starting substance and subjected to the Witting reaction, reduction, deprotection to give a compound of formula III (R<1> is carboxy, tetrazolyl). The compound of formula III is oxidized with an oxidizing agent such as chromic acid anhydride-pyridine complex in a solvent such as methylene chloride at -70 deg.C - room temperature to give the compound of formula I.
Patent JP-S5599035-A (JP)
Title: Method and apparatus for calibrating radiation thermometer
Inventor: KAWAMURA TETSUO
IPC: G01K15/00
Filed: 1979-01-25
Abstract: PURPOSE:To calibrate a radiation thermometer, which is provided on a furnace wall, speedily and accurately with a simply-constructed means, by using an insertion unit containing a test piece and a thermocouple. CONSTITUTION:When measuring the temperature of an objective material 1, a test piece-inserted unit 8 is retracted into a case 7 so that the temperature of radiation from the material 1 is measured by a radiation thermometer 4 provided on a furnace wall 3. When it is necessary to calibrate the thermometer 4 in connection with a change in kind of the material 1, a sealing valve 6 is opened to extend the test piece- inserted unit 8 just under the thermometer 4. Then, the temperature of a calibration test piece 10, which has been set to a predetermined temperature beforehand, is measured by the thermometer 4. The temperature determined on the basis of an output from the thermometer 4 is compared with the temperature determined on the basis of an output from a thermocouple 11, to calibrate the indication in the thermometer 4.
Patent JP-H05196696-A (JP)
Title: Waveform shaping circuit of semiconductor tester
Inventor: KITA KAZUMI
IPC: G01R31/3183
Filed: 1992-01-21
Abstract: PURPOSE:To get a waveform shaping circuit which executes the change of a waveform pattern at high speed. CONSTITUTION:A waveform shaping circuit which generates waveform patterns to be applied to a semiconductor device to be measured, using waveform data, waveform mode, and timing clock, is so constituted as to execute the change of a waveform pattern at high speed by inhibiting optional timing clocks in optional cycles, being equipped with an inhibition circuit 31 which inhibits the operation clocks added to a data holding circuit 30 by the OPEN recognition signals A, B, and C at each timing clock.
Patent JP-S60151992-A (JP)
Inventor: YAGI SOUICHI
IPC: H05B44/00
Filed: 1984-01-20
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-S5291151-A (JP)
Title: Protective relay
Inventor: MIYAKE YASUAKI
IPC: H02H3/02
Filed: 1976-01-28
Abstract: PURPOSE: The circuit for the integration of the operation time of the relay element and the level detector for detecting the output of said circuit above the fixed value are arranged, and the certain correspondence is obtained without misoperation even if system troubles are intermittent. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H03213685-A (JP)
Title: Multiple gear pump
Inventor: KAYANO SHUJI
IPC: F04C2/18
Filed: 1990-01-19
Abstract: PURPOSE:To reduce rate of volume variation in a confining part, and reduce pressure pulsation and vibration/noise generated due to abnormal pressure rise or pressure drop, by providing a communication passage to communication the vicinity of engagement center point of a gear pump to that of another gear pump. CONSTITUTION:A communicating passage 21 to communication the vicnity of an engagement center point of a gear pump A to that of another gear pump B, supplies the fluid in a confinedly compressing part from the beginning of confinement to the center point of confinement of one gear pump A to a confinedly expanding part from the center point of confinement to the end of confinement of the other pump B. Hereby, the pressure in the confined part does not become abnormally high or low. Further, coming in and out of the fluid between the confined part and the suction port or the discharge port due to surplus or shortage of the fluid accompanying confined compression or confined expansion.
Patent JP-H11205013-A (JP)
Title: Impedance matching device
Inventor: SEKI AKIO
IPC: H05K1/02
Filed: 1998-01-20
Abstract: PROBLEM TO BE SOLVED: To match with the impedance of the input/output pin of IC of a small pin interval by lowering the impedance, when the conductor pattern width of a substrate is limited. SOLUTION: A conductor (ground) pattern 7 on the lower surface of the part of IC4 of the substrate 1 of a glass resin, etc., is removed, and this part is fitted to a housing 8 by inserting the substrate consisting of ceramic, etc. A substrate 10 is removed of a part corresponding to an IC4 of a conductor pattern 11 on its top surface. Thereby, the dielectric constant is increased by the total sum of the substrates 1 and 10, so that the impedance of conductor patterns 2 and 3 can be lowered, to match with the input/output impedance of IC4 even if the widths of the patterns 2 and 3 to be connected are small.
Patent JP-H05196233-A (JP)
Title: Floor-dug foot warmer
Inventor: SEKIYA KIYOSHI
IPC: F24C7/04
Filed: 1992-01-21
Abstract: PURPOSE:To obtain a 'horikotatsu' or a floor-dug foot warmer capable of eliminating odor in the foot warmer and providing comfortable heating. CONSTITUTION:This 'horikotatsu' or a floor-dug foot warmer is provided with a foot warmer main body and a heater unit 12 having a heating element installed at the bottom 11 of the foot warmer main body inside. The heater unit 12 is capable of deodorizing the foot warmer effectively by installing a catalytic deodorizing sheet 21 at the top of the heating element inside.
Patent JP-H11213600-A (JP)
Title: Large capacity floppy disk cartridge
Inventor: OSATO MAMORU
IPC: G11B23/033
Filed: 1998-01-20
Abstract: PROBLEM TO BE SOLVED: To surely remove the dust of the size of several microns intruding inside a cartridge. SOLUTION: The thickness H13 of the upper shell 43 of the cartridge 45 for freely rotatably housing a large capacity floppy disk HFD inside is thickened to about 3.5 mm, a filter 51 for dust collection is housed within the thickness H13 , an air flow generated by the high speed rotation of the large capacity floppy disk HFD is utilized and the dust or the like of the size of the several microns inside the cartridge 5 is sucked or adhered to the dust collecting material 52 of the filter for the dust collection and removed.
Patent JP-H02189556-A (JP)
Title: Surface treatment of electrophotographic sensitive body
Inventor: WAKUTA NOBUO
IPC: G03G5/00
Filed: 1989-01-19
Abstract: PURPOSE:To stabilize initial electric characteristics by polishing the surface of a photosensitive layer consisting of a selenium-arsenic photosensitive material, then heating the photosensitive layer to the temp. lower than the softening point of the above-mentioned photosensitive material in an oxidative atmosphere. CONSTITUTION:The surface of the photosensitive layer of the electrophotographic sensitive body constituted by providing the photosensitive layer consisting of the selenium-arsenic photosensitive material on a base is polished and thereafter, the photnseisitive layer is heated to the temp. lower than the softening temp. of the photosensitive material in the oxidative atmosphere. The photosensitive layer which consists of the vapor deposited film of the selenium-arsenic photosensitive material and consists of an As2Se3 alloy is preferably used. The initial electric characteristics of the electrophotographic sensitive body having the selenium-arsenic photosensitive layer subjected to the surface roughening or surface polishing are stabilized in this way.
Patent JP-S56105492-A (JP)
Title: Plating method of black chromium
Inventor: KAWASAKI MOTOAKI
IPC: C25D5/00
Filed: 1980-01-28
Abstract: PURPOSE: To eliminate the need for fixing an object to be plated and to enhance efficiency drastically by a method wherein a plating process is performed by using an aluminum plate as cathode, attaching a magnet at one side of the cathode, and  having the magnet hold the object to be plated at the other side of the cathode.  
     CONSTITUTION: An aluminum cathode plate 2 and anode plate 3 are installed in a plating bath 1. Multiple small holes are drilled in the flat part 2a of the cathode plate in screen type; fine mesh 4 of polyvinylidene chloride is placed to bridge across the flat anode part 3a. A magnet 5 is placed above the flat cathode part 2a; small screws are placed on the underside of the flat cathode part 2a by means of the pulling force of the magnet. The screw-attached cathode are placed above the anode plate 3. Current is passed from a DC supply across the cathode 2 and anode 3 to perform black chromium plating. After the specified time, the magnet is removed, the cathode plate 2 is lifted, the screws are dropped on the screen 4, then nonplated surfaces are faced the anode plate 3, and electroplating is performed in the similar way. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H05196655-A (JP)
Title: Light sampling device
Inventor: SUGIYAMA SUNAO
IPC: H01S3/10
Filed: 1992-01-21
Abstract: PURPOSE:To provide a light sampling device for compensating irregularity of a wave surface of reflected light caused by a minor variation of a reflected surface or to dispositioning of an optical system. CONSTITUTION:A light sampling device in which the condition of a plane of polarization of an optical pulse is changed according to the operational voltage of a circuit to be measured, and the voltage waveform of the circuit to be measured is measured by detecting the change in the plane of polarization, comprises a light pulse formation means 51 and an electric optical element for changing the plane of polarization of incident light according to an electric field corresponding to the operational voltage of the circuit to be measured. A wave surface compensation means 54 for compensating the wave surface by a phase conjugate wave, a forking means 52 for forking an optical signal having a specific plane of polarization, a light receiving element 3 for receiving the forked light, and a calculation process means 53 for calculating the voltage waveform of the circuit to be measured based on the output of the light receiving element 3, are also provided.
Patent JP-H08199525-A (JP)
Title: Car-mounted sprinkler
Inventor: SHONO NOBUO
IPC: E01C19/20
Filed: 1995-01-24
Abstract: PURPOSE: To prevent the leakage of granules by installing a gate on its midway of a chute mounted on a hopper in a freely opening-closing manner, setting up a sprinkling disk for the granules to the lower section of the chute and fitting an elastic sealing material between the chute and the gate. CONSTITUTION: Granules are charged and stored in a hopper held by a stand. Granules stored in the hopper are forwarded to a chute 4 by falling by gravity. When an opening-closing driving machine is driven, a gate 5 is rotated around a horizontal shaft 18 and opened and closed to an outlet 13, and the quantity of granules discharged from an upper chute 11 is adjusted. When a rotary driving machine 8 is driven, the turning plate 21 of a sprinkling disc 7 is turned around a vertical shaft 20 to a supporter 19. The granules are not leaked to the outside by an elastic sealing material fitted between the chute 4 and the gate 5, fall through an under chute 15 from the outlet 13, and sprinkled in the circumferential direction.
Patent JP-H05197231-A (JP)
Title: Image forming device
Inventor: KAGAMI YOSHINOBU
IPC: G03G21/00
Filed: 1992-01-21
Abstract: PURPOSE:To simplify a paper replenishing action by providing a paper supply means, an image forming means, an image forming start instruction means, a packing sheet elimination means and a control means. CONSTITUTION:Paper insertion ports 11-13 are provided on the front side of a copying machine for A5, A4 and A3. Then, a paper pack 20 is inserted in the corresponding place of the ports 11-13 by setting the right side of the respective ports 11-13 as a reference position and setting the part of a tongue piece 21 to the left side. After the pack 20 inserted by a user is automatically loaded at a paper supply position in a paper supply device main body by a paper pack carrying means, the packing sheets 20A and 20B of the pack 20 are automatically eliminated by the packing sheet elimination means. Besides, since the paper cannot be supplied while the sheets 20A and 20B are eliminated, the instruction of an image forming action need not be executed again after the packing sheet is eliminated by reserving the image forming action using the paper whose sheets 20A and 20B are eliminated.