baber/WOPTO huggingface dataset:
Patent JP-S54128589-A (JP)
Title: Recovery of epsilon-caprolactam
Inventor: SHIYOUNO KANJI
IPC: C07D201/16
Filed: 1978-03-29
Abstract: PURPOSE:To recover epsilon-caprolactam and ammonium sulfate of high purity in high yield, by separating a neutralization mixture after the Beckmann rearrangement of cyclohexanone oxime into an aqueous and an oil phases, and by extracting the phases with specific solvents. CONSTITUTION:Cyclohexanone oxime is subjected to the Beckmann rearrangement in the presence of sulfuric acid, and neutralized with aqueous ammonia to give a mixture, which is separated into an aqueous and oil phases in the first stage. In the second stage, the aqueous phase is extracted with an organic solvent e.g. benzene or toluene, to transfer organic substances, e.g. epsilon-caprolactam, from the aqueous to the solvent phase. An aqueous ammonium sulfate is thus recovered. The oil phase spearated in the first stage is extracted with the same organic solvent to give a solvent phase containing epsilon-caprolactam, which is distilled to recover the epsilon-caprolactam. Extraction is carried out by countercurrent method, using a perforated plate tower.
Patent JP-H03242467-A (JP)
Title: Operation control method for inlet valve
Inventor: KIZAKI YASUMI
IPC: F03B15/04
Filed: 1990-02-19
Abstract: PURPOSE:To make an economical effect expectable so as to reduce accident by a trouble of mechanism by providing constitution such that a bypass valve is placed in a fully closed condition, when opening action of an inlet valve is completed, to eliminate control of the bypass valve when the inlet valve is in closing action. CONSTITUTION:Opening action of an inlet valve 8 is finished by close-actuating a bypass valve 8b under a fully closed condition of a main valve 8a at opening action control time of the inlet value 8 or under an established condition of fully opening the main value 8a and fully closing the bypass valve by close-actuating the bypass valve 8b at opening action time of the main valve 8a. In this way, a role of fully closing the inlet valve 8 can be played, even when a drive power is lost, by an emergency cut off device of only the main valve 8a without providing an emergency cut off device in the bypass valve 8b by providing constitution such that the bypass valve 8b is placed in a fully closed condition, when opening action of the inlet valve 8 is completed, to eliminate control of the bypass valve 8b when the inlet valve 8 is in closing action. thus, an economical effect such as the cost of manufacture, installation and maintenance control can be expected as an inlet valve device total unit, and accident by trouble of a mechanism can be reduced.
Patent JP-S55128836-A (JP)
Title: Method of mounting semiconductor pellet
Inventor: NODA YASUMASA
IPC: H01L21/58
Filed: 1979-03-29
Abstract: PURPOSE: To form solder material of constant thickness on a stem header and eliminate the production of contraction voids in the solder by placing a solder material plate on the surface of the stem header, arranging a semiconductor pellet on the plate while facing the plate with metallized surface of the pellet, interposing the plate and the pellet between a pair of nipping plates and heating them to predetermined temperature in a vacuum atmosphere.  
     CONSTITUTION: A copper stem header 3 plated with nickel is placed on one plate 22 of a pair of stainless steel nipping plates 21, 22, a flat solder thin plate 4 having the same size as a silicon pellet 5 and containing by weight 95% of lead, 95% of tin, 35% of tin and 1.5% of silver is placed on the center of the flat header 3, and a semiconductor pellet 5 is so carried on the plate 4 that the metallized surface of the pellet 5 is disposed at the lower side. Thereafter, the other plate 21 is superimposed on the pellet 5, the plates 21 and 22 are tightened with bolts 11, 13, and a heavy body 35 thus constructed is contained in a vacuum furance which is evacuated to 10 -6  Torr. The body 35 is then heated to a temperature lower by 50°C than the melting point of the plate 4, that is, a temperature in the range of 260W 270°C, the pellet 5 and the header 3 are secured, and then gradually cooled. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H06220783-A (JP)
Title: Apparatus for treating waste paper
Inventor: TAKAHASHI JUN
IPC: B30B9/28
Filed: 1993-02-25
Abstract: PURPOSE:To provide the subject small-sized and lightweight apparatus simplified in structure, unabling to read the letters on waste paper and reduce the volume of waste paper. CONSTITUTION:This apparatus for treating waste peper has such a design that cylindrical members 1, 8 are placed under a charging hopper 2, a scraper 7 to smoothly feed waste paper downward and a screw 5 to extrude the waste paper are provided, and the inner peripheral surface of the cylindrical member 1 is provided with longitudinally long ridge-shaped projections 32 to prevent waste paper from corotation with the screw 5 and grooves 35 to suppress the movement of waste paper downward.
Patent JP-2000234629-A (JP)
Title: Clamp joint for shaft and universal joint using same
Inventor: HIRAGUSHI SHUZO
IPC: F16D1/10
Filed: 1999-02-15
Abstract: PROBLEM TO BE SOLVED: To provide a clamp joint for a shaft capable of easily and quickly connecting the shaft in a single operation. SOLUTION: When a shaft 6 is inserted to the inside of an elastically contractible shaft insertion part 1, a collar 4 inserted to the inside of the shaft insertion part 1 is moved to its rear end side, a ball 5 held in the shaft insertion part 1 is advanced to its inward and engaged with a V groove 61 of the shaft 6. Simultaneously with this operation, a fastening ring 2 with its movement regulated to a tip end side of the shaft insertion part 1 by the ball 5 is automatically moved to the tip end side of the shaft insertion part 1 by energizing force of a first spring 31, and the shaft insertion part 1 is elastically contracted.
Patent JP-H10232393-A (JP)
Title: Liquid crystal display device
Inventor: MADOKORO HITOMI
IPC: G02F1/1343
Filed: 1997-02-20
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal display device having a low drive voltage, an excellent hue in a brightness state, and a low view angle dependency of hue. SOLUTION: Two polarizers 1A, 1B sandwiching a liquid crystal panel are arranged, and a polarizer 1C is arranged on an outside surface of an opposite side of the liquid crystal panel of at least one of the two polarizers 1A, 1B. At the same time, at least in one of the spaces between the polarizers 1A, 1B, 1C, at least one phase shifter 6 is arranged, and a brightness state hue is improved by making a wavelength dependency with the polarizers 1A to 1C and the phase shifter 6 concerning the incident light on the liquid crystal panel.
Patent JP-S6438117-A (JP)
Title: Liquid filter apparatus
Inventor: JIYON FURANKU ROSU HOWAITO
IPC: B01D35/16
Filed: 1988-02-18
Abstract: PURPOSE: To reduce a cost, to simplify the entire part of a filter device and to automatically operate the filter device by providing the filter device with a specific washing means for washing a filter member on site without interrupting a washing stage. CONSTITUTION: A filter unit 1 consists of a casing 2, a wire net material filter member 3, a dash pot mechanism 4 for moving this filter member 3 and a rotary jet device 5 as a washing head which is freely movable with respect to the filter member 3 and injects a washing liquid under a pressure higher than the pressure of the fluid to be filtered so as to locally and concentrativelly wash the respective parts of the filter member 3. In the operation of the filter unit 1, the washing fluid is injected from the ejection port of the nozzle having the rotary jet device 5 toward the filter member 3 in the state of allowing the fluid to be filtered to be passed and is passed through the filter member 3, by which contaminants are removed from the filter member 3.
Patent JP-H03237914-A (JP)
Title: Rice cooker
Inventor: NAKANO AKIHISA
IPC: A47J27/00
Filed: 1990-02-16
Abstract: PURPOSE:To obtain a rice cooker which notifies a user in advance of reduction of rice for urging supplement of rice by a method wherein a control circuit part receives outputs of a rice remaining amount detecting part provided in a rice cabinet part for measuring rice remaining amount in the rice cabinet part, and a display part displays the result of measurement. CONSTITUTION:When rice remaining amount becomes little, a rice remaining amount detecting part 28 comes into operation at the time of rice measurement 23, and a display part 14 notifies a user need to supplement rice and displays current rice remaining amount 29. But at the same time, operation follows normal program of washing rice 24, measuring water for rice boiling 25, cooking rice 26 and finishing rice cooking 27. If rice is not supplemented at that time and rice cooking operation is continued after that, an operation part 15 sets rice amount to be cooked 21. After start operation 22, the rice remaining amount detected by a rice remaining amount detecting part 13 and a set rice amount corresponding to the rice amount to be cooked set at 21 are compared at 30, and if the rice remaining amount is more than the set rice amount, the rice cooking operation is continued, while, if the rice remaining amount is less than the set rice amount, the start operation becomes impossible 31. In this rice cooker, the uppermost part of its photointerrupter of the rice remaining amount detecting part 13 is positioned about 2kg more than maximum of rice to be cooked at one time, so that the notice of rice supplement and display of rice remaining amount are made when the remaining rice amount goes down under 2kg.
Patent JP-H04267785-A (JP)
Title: Water replenishing device for dual tank type water reservoir
Inventor: SAYAMA IWASAKU
IPC: B65D90/00
Filed: 1991-02-07
Abstract: PURPOSE:To feed water into the other chamber when the water level is low for replenishing when inspecting or cleaning one of both chambers A, B by providing a branch pipe opened to the opposite clearance of the A-chamber valve seat cylinder and B-chamber valve seat cylinder in the valve cylinder of an open and close changeover valve and erecting a replenishing pipe connected to the branch pipe at the lower end and further, jointing a feed water pipe to the upper end of the replenishing pipe. CONSTITUTION:When the inside of A-chamber is inspected and cleaned, the valve seat cylinder 3' of A-chamber is closed by the valve plate 6 of an opening and closing changeover valve 5. In this way, the changeover valve 5 is connected to the B-chamber through the B-chamber valve seat cylinder 4' and B-chamber water conductor 4 but it is disconnected to the A- chamber. And hence, the water within the A-chamber is drained to inspect and clean the chamber. While that time, feeding water to the outside is carried out from the B-chamber. And when the water leval in the B-chamber gets low, water in the receiving tank or tap water is fed to the B-chamber through a feed water pipe 9, a replenishing pipe 8, a changeover valve 5, a B-chamber conductor pipe 4 to recover the water level. After inspection and cleaning of the A-chamber is finished, the valve plate 6 of changeover valve 5 is returned to the neutral position and the water level of both A and B chambers is lowered to a specified condition.
Patent JP-S56134966-A (JP)
Title: Feed made from peat
Inventor: OOHIRA KEIKICHI
IPC: A23K1/00
Filed: 1980-03-21
Abstract: PURPOSE: To obtain feed as well as edible mushrooms by decomposing cellulose, chitin, lignin, etc. existing in peat as the main components with edible mushrooms, thereby converting the components to digestible nutrient materials.  
     CONSTITUTION: Peat is neutralized with an alkali, mixed with about 20W30wt% of fat-containing grains such as rice bran, corn flour, etc., and sterilized to obtain a  mixed medium. Mycelia of edible mushroom, e.g. agaric, are inoculated and cultured in the mixed medium, and the grown fruit bodies are collected from the  medium. After the collection of the fruit bodies, the residual medium is collapsed,  and served as feed with or without drying. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S52119654-A (JP)
Title: Thermoplastic resin compositions
Inventor: OOMURA AKIHIRO
IPC: C08K5/21
Filed: 1976-04-01
Abstract: PURPOSE: Thermoplastic resin compositions with improved release properties containing a specific urea compound. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H11218391-A (JP)
Title: Heat pipe
Inventor: YAMAMOTO ITARU
IPC: F28D15/02
Filed: 1998-02-03
Abstract: PROBLEM TO BE SOLVED: To improve the heat transfer performance of operating fluid. SOLUTION: In a heat pipe 1, equipped with a cylindrical container 2, into which operating fluid is sealed, and a wick 3, arranged in the container 2 so as to have minute gaps, heat transfer-restraining members 5 are attached to the outer periphery of evaporating unit A1 of the container 2 with a predetermined interval to form a plurality of areas A2, A3, having different thermal resistance, so as to be neighbored mutually.
Patent JP-H03186626-A (JP)
Title: Bush
Inventor: ICHINOSE KUNIO
IPC: F16F1/38
Filed: 1990-02-16
Abstract: PURPOSE:To eliminate the need of aligning a click at the time of replacing a brush so as to facilitate replacement by connecting a cylindrical outside member to a shaft by a rubber, and locking recess portions formed on projecting end portions of the shaft by cutting with burrs. CONSTITUTION:A bush 1 comprises a metallic cylindrical outside member 2, a shaft 3 and a rubber 4 filling between the member 2 and the shaft 3. A hollow portion 3 as a fitting hole is provided on a shaft 3, and both projecting end portions 6 are projected from the outside member. A joint surface 6a is machined to form a roughened surface having a lot of recess portions 7 and burrs formed on the peripheries thereof. When the projecting end portions 6 of the shaft 3 are brought into contact with connecting members 13, 14 as joint surfaces and fastened thereto, the burrs are easily buckled and deformed, so that the frictional force is increased and there is no biting into the connecting surface. Accordingly, it is not necessary to align with a click and a biting cave of the bush before replacement so as to provide a bush which can be easily replaced.
Patent JP-H11220090-A (JP)
Title: Multilayer substrate structure
Inventor: KATANO GIICHIRO
IPC: H05K1/18
Filed: 1998-02-03
Abstract: PROBLEM TO BE SOLVED: To easily and densely mount miniature electronic parts without reducing the strength of a multilayer substrate, by independently forming recessed parts being opened on the surface of the multilayer substrate so that the number of the recessed parts is equal to the number of a plurality of miniature electronic parts. SOLUTION: A multilayer substrate 1 where, for example, three of single- layer substrates 1a, 1a... are laminated is formed. Recessed parts 1b, 1b... with a depth of two multilayer substrates 1a are formed on the multilayer substrate 1 while being opened on the surface of four multilayer substrates 1. The thickness of the upper two single-layer substrates 1a and 1a where the recessed part 1b is formed is set to 0.2 mm or the like, and the thickness of the single- layer substrate 1a of the lowest layer is set to 0.3. The recessed parts 1b, 1b... are rectangular in shape corresponding to the shape of chip parts 2, and the corner part is rounded. Then, in each of the recessed parts 1b, 1b..., the chip parts 2, 2... are mounted.
Patent JP-S57152081-A (JP)
Title: Character recognizing device
Inventor: AKIMOTO HARUO
IPC: G06V10/20
Filed: 1981-03-13
Abstract: PURPOSE:To form an inputted character characteristic series inputted to a maching section and to achieve sure character recgnition without missing important characteristics, by inputting a character series picked up by a characteristic pickup section to a characteristic converter and modifying each characteristic of the series in contrasting with other characteristics. CONSTITUTION:A video signal from an observing section 10 having a photoelectric converter and the like is processed at a pre-processing section 12 and applied to a character pickup section 14 with section by one character. The section 14 picks up the characteristics of a character and applies it to an input characteristic series 16 to pick up the characteristics of the character series. The characteristics of the character series from the series 16 are received at a characteristic converter 18, each characteristic is modified according to other characteristics, the modified output characteristics series 20 is connected to a dictionary 24 and applied to a matching section 22. The device 18 consists of subtraction circuits 26a-26n taking a plurality of input characteristic series X=X1-Xn to constitute that the output can be made through the conversion into output characteristic series y1-yn. Unstable characteristics are neglected, the missing of important characteristics is eliminated and the sure character recognition is executed.
Patent JP-H08277159-A (JP)
Title: Preparation of sintered alpha-al203 article and their use
Inventor: MOELTGEN PAUL DIPL CHEM DR
IPC: C04B35/64
Filed: 1996-02-01
Abstract: PROBLEM TO BE SOLVED: To produce a high density sintered microcrystalline body with a high hardness by pulverizing α-Al 2 O 3  powders to prepare a slip having a given particle size, then drying, press compacting and shock sintering the slip.  
     SOLUTION: α-Al 2 O 3  powders of less than 3 μm as a starting materials are wet-pulverized to prepare a slip of less than 1 μm, which is dried by spray drying until residual water content becomes less than 6 wt.%. The resultant dried powders are press compacted to prepare rough bodies having a density more than 65% of theoretical density. For example, a density more than 70 to 80% of theoretical density is normally achieved by press compacting using two reversing rolls. The rough bodies are sintered at 1300 to 1550°C. For a sintering method a furnace or a kiln is used which can rapidly heat up. A direct or indirect heating rotary kiln, shuttle kiln or sliding bat kiln or the like is an example. Shock sintering is attained to a given temperature in 10 to 60 sec. and sintering is carried out for 10 to 60 min. 
     COPYRIGHT: (C)1996,JPO
Patent JP-H03241027-A (JP)
Title: Yarn for marking use
Inventor: ONUKI MUNEO
IPC: A41H25/00
Filed: 1990-02-20
Abstract: PURPOSE:To obtain the title yarn good in workability, capable of marking by simply passing, using a needle, through many laminated cloths without injuring them with the color attached erasable after sewing, by attaching a powdery coloring material on yarn surface. CONSTITUTION:The objective yarn can be obtained by attaching a powdery coloring material (e.g. calcined gypsum, lime, a mixture of one of various pigments therewith, paraffin wax) on yarn surface. The present yarn is brought into contact with an object to remove the coloring material from said yarn and transfer it to the object, thus accomplishing marking.
Patent JP-H06226377-A (JP)
Title: Joining structure for sheet material
Inventor: OCHIAI YOSHIJI
IPC: B21D39/03
Filed: 1993-02-03
Abstract: PURPOSE:To simply and strongly join plural sheet materials. CONSTITUTION:Both sheet materials 13b, 14a are superposed, the cut-up piece 17 of the other sheet material 14b is bent nearly at right angle, and both sides 17a of the piece and the mutually opposing inner side edges 15a of an attachment hole 15 on one corresponding sheet material 13b are engaged with each other; then, consequently, as both sheet materials 13b, 14a are tempted to be more separate from each other, respective pieces 17 are more strongly wedged between both opposing inner side edges 15a of the hole 15, and both sheet materials 13b, 14a are simply and strongly joined. Thus, since the joining work is performed only at the side of the other sheet material 14a, the joining work is facilitated without being limited by the shape of an equipment.
Patent JP-S59163535-A (JP)
Title: Unbalance correcting method of rotating body
Inventor: IMAMURA ISAO
IPC: B23K26/00
Filed: 1983-03-09
Abstract: PURPOSE:To constitute so that a foreign matter scarcely adheres to a grinding part and no stress concentration is generated, to eliminate a damage of a rotating body, etc., and to raise safety by irradiating a pulsative laser light to the surface of the rotating body, evaporating it, eliminating the greater part of an unbalance quantity of the rotating body, and thereafter, adjusting and irradiating the laser light so that a laser power density becomes power of an extent for melting a little the uneven surface of a grinding part of the surface of the rotating body. CONSTITUTION:A condensing lens 4 is moved horizontally and positioned so as to shift a focal position by a lens driving device 8, and a pulsative laser light 3A is irradiated to a rotating body 1 through the condensing lens 4 and a protective glass 5. Usually, the laser light 3A passing through the condensing lens 4 becomes the maximum and the minimum as to its power density and beam diameter, respectively, in the focal position of the condensing lens 4, therefore, by moving forward and backward the focal position of the condensing lens 4 in this way, a power density of the laser light 3A in the irradiating part of a laser light on the surface of the rotating body 1 drops. As a result, an uneven surface 7 of the rotating body 1 is given a heat quantity by which the concave surface 7 is melted a little, from the laser light 3A, melted a little and not evaporated, therefore, unevenness of the surface of the rotating body 1 dies away, and a smooth grinding surface 9 is formed.
Patent JP-H01213004-A (JP)
Title: Branching waveguide circuit
Inventor: ASARI NORIYUKI
IPC: H01P3/12
Filed: 1988-02-22
Abstract: PURPOSE:To make the transmission of high frequency power suitable by making the electric length of a branching waveguide the integral number times of half- wave length. CONSTITUTION:In a waveguide circuit whose front face or H face of a main waveguide 1 is branched into two, electric length L1 and L2 of respective waveguides 2 and 3 are selected so as to be a short-circuit condition in the branching face of the waveguide and so as to be a short-circuit or releasing condition in the edge of the two-branched respective waveguides. Thus, on exciting from one branched waveguide edge, all the energy can be transmitted to the main waveguide 1 without receiving an effect to the waveguide circuit of the other edge.
Patent JP-S58153526-A (JP)
Title: Separation of isotope by 3 photon absorption
Inventor: ARISAWA TAKASHI
IPC: B01D59/34
Filed: 1982-03-10
Abstract: PURPOSE:To separate isotope with a simple system by absorbing 3 photons in the atom beam of a mixture contg. the isotope obtd. by evaporation under heating in a vacuum, with one king of laser light to ionize the same and recovering the isotope by using an electric field. CONSTITUTION:Metallic elements contg. <235>U as noticed istope in a vacuum cell 2 are dissolved and evaporated by using resistance heating or the like in a vessel 3, and a metallic vapor beam 5 having good directivity is obtained through a collimator 4. Laser light of one wavelength among 5027Angstrom , 5511Angstrom , 5620Angstrom , 5758Angstrom , 5915Angstrom  and 5971Angstrom  generated from a visible laser 1 is irradiated to the beam 5. The noticed isotope is thus excited selectively by the 1st photon, then the isotope absorbs the 2nd photon and is excited to an imaginary energy level, whereafter the isotope is ionized by absorbing the 3rd photon. Since the ions have + electric charge, the ions are recovered by using an electric field or electromagnetic field, whereby <235>U is obtained.