baber/WOPTO huggingface dataset:
Patent JP-H10229668-A (JP)
Title: Single-pole linear dc motor
Inventor: MORIKI YUICHI
IPC: H02K33/16
Filed: 1997-02-14
Abstract: PROBLEM TO BE SOLVED: To realize reduction of thrust ripples, enlargement of a linear region (the region without thrust ripples) of thrusts, progress in large thrust, the making long strokes downsizing, and the price reduction of a single-pole linear DC motor by winding two pieces or three pieces of windings at one part of a stator, and equalizing each length to the length of the winding constitutes a needle. SOLUTION: A stator 1 is composed of a first yoke 4, a second yoke 5, first permanent magnets 7a and 7b, and second windings 31 and a third winding 32, and a needle 31 is mainly composed of a first winding 12 wound at a specified distance around the first yoke 4. The length (L) of the second winding 31 and the length (L) of the third winding 32, and the length (L) of the first winding 12 are made to be equal.
Patent JP-H02228263-A (JP)
Title: Electrostatic levitating device
Inventor: OGIWARA MASAAKI
IPC: H02N1/00
Filed: 1989-02-23
Abstract: PURPOSE:To expand a range capable of livitating a charged body stably by a method wherein an electric field is formed by a first electrode in the direction of a central axis, on which a DC current is impressed, and a second electrode, orthogonal to the direction of the first electrode and an AC current or an AC current including the component of a DC current is impressed thereon. CONSTITUTION:A DC voltage, having the same polarity as a charged body 15, is impressed on spherical electrodes 11a, 11a from a power source 13 and an AC voltage is impressed between rod electrodes 12a, 12a and other rod electrodes 12b, 12b while the charged body 15 is positioned at the central part of a space. Then, a repulsive force or a confirming force in (z)-direction is generated by the spherical electrodes 11a, 11a while another enclosing force in (r)-direction is generated between the rod electrodes 12a, 12a and the other rod electrodes 12b, 12b. According to such an electric field, a confirming force toward the central part of the second electrodes 1 is exerted with respect to the direction (r), whereby scatter and lost may be prevented. With respect to the direction (z), the charged body 15, having the polarity same as the polarity of the upper and lower electrodes 11, is levitated by a repulsive force (confirming force) between the first electrodes 11 against the gravity thereof.
Patent JP-S51120259-A (JP)
Title: Measuring method of waveform characteristics
Inventor: OOSHIMA TSUTAE
IPC: G01R29/02
Filed: 1975-04-14
Abstract: PURPOSE: Measuring method of waveform characteristics which can measure the characteristics of rise- and fall-waveform with micro-second unit and automatize it. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-S56141366-A (JP)
Title: Metal covering composition
Inventor: TADA NOBUO
IPC: C08G59/00
Filed: 1980-04-05
Abstract: PURPOSE: A metal covering composition having improved adhesiveness, corrosion resistance, and welding properties, obtained by blending an epoxy resin and an organic phosphorus compound as a binder with zinc powder and magnesium compound powder.  
     CONSTITUTION: The desired composition obtained by blending (A) an epoxy type coating vehicle, e.g., bisphenol A type epoxy resin, and (B) an organic phosphorus compound, e.g., tris(nonylphenyl)phosphate, etc. as a binder with (C) zinc powder and (D) magnesium compound powder, e.g., magnesium oxide, etc. as essential ingredients. With a proviso that a weight ratio of ingredient A to B is 45:55W95:5, and the contents of the ingredients C and D are 30W95wt% and 0.1W5wt% respectively based on total involatile amount of the composition. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S52129094-A (JP)
Title: Method of feeding wire in wire cut electrospark machining
Inventor: YATOMI TAKESHI
IPC: B65H59/06
Filed: 1976-04-20
Abstract: PURPOSE:To fix a wire real to unwind a wire automatically therefrom thereby to prevent fluctuation of the wire tension and therefore to obtain stable wire tension.
Patent JP-S63213315-A (JP)
Title: High performance rare earth magnet and manufacture thereof
Inventor: NAKAGAWA JUN
IPC: C22C33/04
Filed: 1987-03-02
Abstract: PURPOSE:To obtain an anisotropic permanent magnet which is subjected to warm working with good operability and light distribution by containing 40wt.% or more of specific tetragonal crystal having 3mum or less of crystal grain size and imparting magnetic anisotropy thereto. CONSTITUTION:40wt.% or more of tetragonal crystal R2T14-M (where R is rare earth element, T is transition metal mainly containing Fe, M is semimetal which needs C and may contain B, P, Si, etc.) having 3mum or less of crystal grain size is contained, and magnetic anisotropy is imparted. Melted liquid of alloy which contains 10wt.% to 31wt.% of rare earth element, 0.2-5wt.% of semimetal which needs C, and the residue of transition metal mainly including iron is quickly cooled, and obtained alloy is plastically deformed at 800 to 1200 deg.C. Thus, a magnet having high characteristic with the magnetic anisotropy is obtained.
Patent JP-H03250177-A (JP)
Title: Door latch device
Inventor: IWASHITA YOSHIO
IPC: E05C1/04
Filed: 1990-02-28
Abstract: PURPOSE:To contrive common use of parts of the like by forming a stroke restricting groove in a penetration shape, reaching the bottom surface from the upper surface of a latch base, while protruding a stopper, inserted into the stroke restricting groove, from the bottom surface wall of a latch cover. CONSTITUTION:A sliding groove 17 is formed between a fixed part 14 of a latch base 2 fixed to a door panel 1 and a fitting part 16 to which a hollow part of a latch cover 5 is fitted. A door stop rubber 19 is secured to an extended end part of the fitting part 16, and an insertion window 21 and a stroke restricting groove 3, from the upper surface to the bottom surface, are formed respectively in the central part and the fitting part 16. Next, a stopper 4 is restricted from its unlock position to lock position by positioning the stopper 4 of the cover 5 in the groove 3. Coping with specification of right/left different convenience is attained by inverting the base 2 to crown the cover 5. Accordingly, parts or the like can be used in common.
Patent JP-S61204272-A (JP)
Title: Production of vat dye
Inventor: SHIMOYAMA AKITO
IPC: C09B3/82
Filed: 1985-03-07
Abstract: PURPOSE:To obtain Vat Black 9 vat dye, with decreased amount of solvent, by reacting tetrahalogenopyranthrone, 1-aminoanthraquinone and aminobenzan throne under specific conditions. CONSTITUTION:The objective dye can be produced by reacting tetrahalogeno- pyranthrone with 1-aminoanthraquinone and aminobenzanthrone in an aqueous medium containing preferably <=20% inert solvent (preferably aromatic hydrocarbon solvent such as nitrobenzene, nitrotoluene, ethylbenzene, etc.), in the presence of a copper-based catalyst (e.g. copper powder, copper acetate, etc.) and an acid acceptor (e.g. sodium carbonate, magnesium oxide, etc.) under pressure, preferably at 190-230 deg.C.
Patent JP-S55137123-A (JP)
Title: Production of shock-absorbing foam
Inventor: ISHIKAWA ISAO
IPC: C08G18/63
Filed: 1979-04-13
Abstract: PURPOSE: To provide title foam having excellent energy absorption properties, shock recovery rate, hardness and temperature characteristics, by a method wherein a high-molecular polyol is reacted with org. polyisocyanate and water in the presence of a trimerization catalyst.  
     CONSTITUTION: 1W5pts.wt. of water and 0.5W3pts.wt. of a trimerization catalyst are added to 100pts.wt. of a mixt. of 2W15pts.wt. of a crosslinking agent (in which port or the whole of terminal gp. is primary hydroxyl gp. and/or amino gp. and which has functional gp. of 2W4 and equivalent amounts of 30W200) and 98W 85pts.wt. of a high-molecular polyol (which is derived from a polol and an ethylenically unsaturated monomer, and has functional gp. of 2W4, equivalent amounts of 700W4,000 and a terminal hydroxyethylene chain content of 5W30wt%). An org. polyisocyanate is added to the mixt. in such a proportion as to give an isocyanate index of 120W300. The resulting mixt. is subjected to the reaction to obtain shock- absorbing foam which has a foam density of 0.18W0.3g/cm 3 , an energy absorption rate of not less than 65% at 50% strain of foam thickness, at a hardness of not less than 2kg/cm 3  at 25% strain and temperature characteristics in whcih a hardness ratio of -15°C/55°C is not more than 2.5. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S55138045-A (JP)
Title: Electric contact material
Inventor: YAMADA SHIYUUJI
IPC: H01H1/02
Filed: 1979-04-13
Abstract: PURPOSE: To provide an electric contact material having a smll contact resistance, excellent workability and deposition resistance by a method wherein specific amount of Ni powder and Cr powder is mixed with Ag powder and the mixture is sintered.  
     CONSTITUTION: To Ag powder of less then 200mesh, 0.05W15wt% of carbonyl Ni powder of less than 250mesh and 0.05W10wt% or Cr powder are added and mixed for 20hr. The mixture is formed under a pressure of 5 ton/cm 2  and is sintered under a reducing or non-oxidizable atmosphere at 850°C for 1hr. The sintered body is hot rolled to a 1mm thick hoop to provide an electric contact material used as breaker contact, etc. The obtained material is excellent is deposition resistance and workability and has a small contact resistance and arc persisting time. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H11241183-A (JP)
Title: Coloration control system for copper
Inventor: SOMA MAKOTO
IPC: C23C22/52
Filed: 1998-02-26
Abstract: PROBLEM TO BE SOLVED: To provide a coloration control system of copper capable of eliminating unequal color tones and stably obtaining copper stock colored with a specified color tone. SOLUTION: There is a gas coloration stage 13 for coloring the copper by charging the copper into a gas sulfiding treatment box 18 consisting of an atmosphere of gaseous hydrogen sulfide. A spectrophotometric colorimeter 1 for inspecting the color tone on the surface of the copper, a color difference discriminator 2 for discriminating the difference between the measured color tone degree in the spectrophotometric colorimeter 1 and the prescribed color tone degree and a gas concn. regulator 3 for regulating the concn. of the gaseous hydrogen sulfide by the signal from the color difference discriminator 2 are disposed before the gas coloration stage 13.
Patent JP-S51121346-A (JP)
Title: Optical fiber cable and the production method
Inventor: ISHIDA KORENORI
IPC: C03C25/10
Filed: 1975-04-16
Abstract: PURPOSE: By covering pipe over optical fiber and filling the gap with water proof mixture, to provide water proof character as well as to improve mechanical strength. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-S61205051-A (JP)
Title: Control system for training action of intra-modem automatic equalizer
Inventor: AIKAWA KINJI
IPC: H04L27/01
Filed: 1985-03-08
Abstract: PURPOSE:To attain the accurate convergence of automatic equalizer within a MODEM at the remote side by performing the changeover between the 1st and 2nd sequences according to the control data on the transmission of the training signal obtained by the 1st sequence which is sent from said MODEM. CONSTITUTION:Both MODEM 14 and 16 contain the modulation/demodulation parts 14A and 16A for data and training action control parts 14B and 16B for automatic equalizer of the MODEM at the remote side. These MODEM 14 and 16 are connected to a CCU 13 and a DTE 15 respectively. The control part 14B (16B) receives DR and RS signals via signal lines 81 (82) and 71 (72) and also the control signal C from the CCU 13 (DET 15) via a signal line 91 (92). Based on these signals, the training signal obtained by the 1st or 2nd sequence is transmitted to the part 14A (16A).
Patent JP-S60190313-A (JP)
Title: Manufacture of polyimide film
Inventor: OOTA TAKAYUKI
IPC: B29L7/00
Filed: 1984-03-10
Abstract: PURPOSE:To obtain a polyimide film with lesser surface defects by a method in which a solution of polyamide in an organic solvent is mixed with an imidization catalyst and a dehydrating agent, and the mixture is cast on a supporter, dried and heat-treated under a specific condition. CONSTITUTION:A solution of polyamide in an organic solvent is mixed with an imidization catalyst (e.g., pyridine, isoquinoline, etc.) and a dehydrating agent (e.g., acetic acid, propionic acid, etc.). The mixture is cast on a supporter and dried in the early period only by heat conductance from the supporter by heating the supporter to 40-200 deg.C in such a way as to thicken the surface of the solution film. The solution film is then dried forcibly by blowing hot air, and the film having a self-supporting property is heat-treated to remove the remaining solvent.
Patent JP-S54138065-A (JP)
Title: Device for manufacturing plastic magnet
Inventor: KENMOCHI KATSUE
IPC: B29C45/00
Filed: 1978-04-18
Abstract: PURPOSE:To provide a low-cost, high-efficiency device for the manufacturing of a plastic magnet, comprising a coil member and a mold member having a magnetic pole corresponding to a magnetic core, and a magnetic case corresponding to a mold of the plastic magnet. CONSTITUTION:A non-magnetic plate 36 having a center hole is put in the center  of a magnetic lid 35, and a magnetic pole 32 is secured to the center hole of the non- magnetic plate 36. The magnetic lid 35 is furnished with a guide pin 35 and a threaded hole 38, which correspond to a bushing 29 and a hole 28, respectively. A mold member registered by the guide pin 37 and the guide bushing 29 is secured to a coil member with a bolt 39. The coil is energized to generate a magnetic field  shown by the arrow. A resin containing magnetic powder is charged into a cavity  21 having a radially oriented magnetic field. After cooling soldifying the resin, the  cavity plate 18, the plate 27 and the side plate 24 are disassembled, and a ring- shaped plastic magnet formed around the core 25 is removed from the mold.
Patent JP-S59173134-A (JP)
Title: Process and device for controlling mass of liquid suspension and/or aqueous solution in tank
Inventor: INOUE MASAMUNE
IPC: B01J19/00
Filed: 1983-03-19
Abstract: PURPOSE:To improve treating efficiency and operational accuracy by operating mass distribution in a tank from detected values of liquid pressure at specified positions of a liquid suspension in the tank, comparing the mass distribution with standard mass distribution, and controlling the mass and temp. of the liquid suspension to be fed to the tank basing on the deviation of the mass distribution. CONSTITUTION:Liquid pressure detecting devices 31a-31g are provided in an apparatus for manufacturing ammonium sulphate installed with a heater 10, evaporating vessel 11, and a crystallization vessel 12 in order, at specified distances in the height direction below the surface of crystal suspending liquid. The concn. and mass distribution of each slurry is operated from a previously determined relation between the pressure and the concn. of the slurry by an operator 35 basing on each pressure detected by the liquid pressure detecting devices. The concn. and mass distribution of each slurry are compared by another operator 37 with previously determined values for a standard slurry, and adjustment quantities, i.e. the amt. of the mother liquor of ammonium sulphate to be fed from a circulating tank 5 to the crystallization tank 12, heating temp. of the heater 10, and the amt. of water to be removed by the evaporator 11, are operated in accordance with the deviation from values for the standard slurry. Openings of each valve are operated corresponding to each adjustment value by an operation instructor 38, and instructed to a valve opening controller 41.
Patent JP-S63210947-A (JP)
Title: Electrophotographic sensitive body and method for forming multicolor image
Inventor: HANEDA SATORU
IPC: G03G15/01
Filed: 1987-02-27
Abstract: PURPOSE:To form color separation filters not generating color turbidity by overlapping adjacent color filters different in spectral characteristics from each other on each peripheral region. CONSTITUTION:A colored layer 2 composed of 3 colors; red (2R), green (2G), and blue (2B) is formed on a substrate, and the color filters formed by arranging each color block composed of 2R, 2G, and 2B are each enlarged on each region, and the adjacent 2 different color blocks are overlapped to shield the rays of light there. Each of the overlapped regions 3, 4, and 5 has a narrow light transmitting wavelength region, and low light transmittance, and most rays of light are shielded in this part thus permitting the color filters formed by arranging 3 color elements of red (R), green (G), and blue (B) not generating color turbidity to be manufactured.
Patent JP-S51122238-A (JP)
Title: Cargo lift
Inventor: MURAMATSU SADAO
IPC: B66F7/02
Filed: 1975-04-18
Abstract: PURPOSE: A cargo lift easily attachable to the outer handrail of staircase landing in an apartment house and the like. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-H07229400-A (JP)
Title: Excavation capsule
Inventor: OTAKE AKIRA
IPC: E04H9/14
Filed: 1994-02-21
Abstract: PURPOSE:To allow a few refugees to safely stay in a capsule for a few days by fitting a hook, a wheel, an engagement projection or the like to the external surface of the capsule, applying a lining material to the inner side thereof, and providing a chair, a ring, an oxygen cylinder or the like therein. CONSTITUTION:An upper hook 3, and right and left hooks 4 and 5 are fitted to the upper external surface of a capsule 1a, while travel wheels 8, 8b and 8d covered with a rubber material are fitted to the lower side of the capsule 1a. Then, a pillar 10 is erected at a center in internal capsule space 1b, and chairs 15 having a seat belt are arranged, so as to surround the pillar 10. Also, a rack 19 having fixed rings 18, 18a to 18c is provided. In addition, a lining member 12 of soft and fire resistant material is applied to the space 1b, and engagement projections 6 and 6b having bolts 7 and 7b are provided on the lower external surface of the capsule 1a. Furthermore, cylinders 16 compressing and sealing oxygen, air or the like are provided under the chairs 15. According to this construction, an excavation capsule 1 can be provided, allowing a few refugees to safely stay therein for a few days.
Patent JP-S60190478-A (JP)
Title: Ink for ink jet recording
Inventor: AKUTSU HIDEKAZU
IPC: C09D11/328
Filed: 1984-03-13
Abstract: PURPOSE:The titled ink having color tone close to magenta, improved storage stability, raising solubility of dye, capable of carrying out printing with high reliability, obtained by blending a specific xanthine dye with a water-soluble organic solvent, a water-soluble surface active agent, etc. CONSTITUTION:A specific xanthine dye (e.g., compound shown by the formula IV, etc.) shown by the formula I [R1 and R2 are group shown by the formula II or formula III (M is H, Li, Na, K, amine, or ammonium; p, q, r, and s are 0-3; R3-R5 are H, 1-5C alkyl, amino, OH, carboxylate, or halogen)] is blended with (B) a water-soluble organic solvent, (C) water, and (D) a water-soluble surface active agent, to give the desired ink. A polyoxyethylene alkylamine, polyoxyethylene alkyl phenyl ether, etc. may be cited as the component B, and a preferably amount of it used is 0.05-1.00wt%, and 0.05-0.5wt%, respectively.
Patent JP-H01220823-A (JP)
Title: Manufacture of semiconductor device
Inventor: NISHIGORI TADASHI
IPC: H01L21/28
Filed: 1988-02-29
Abstract: PURPOSE:To enable flattening by selectively forming a semiconductor layer of single crystal structure on a diffusion layer. CONSTITUTION:After a silicon nitride film 5 is formed on a polycrystalline silicon film 4 to which conductity is given by diffusing impurity, a photoresist is selectively formed, and a gate electrode is patterned by etching. A diffusion layer 7 is formed in a substrate 1 by ion-implanting impurity of conductivity type inverse to a substrate. A silicon oxide film 8 is grown, which is left only on the side wall part of an electrode 4 by anisotropic etching. By epitaxially growing non-doped silicon, a part 9 is turned into single crystal silicon, and a part 9a is turned into polycrystalline silicon. Impurity of conductivity type inverse to the substrate is ion-implanted, the impurity is diffused by heat treating, and a diffusion layer 10 is formed. By etching the part 9a only, the part 9 is left. An electrode window 12 is opened in an interlayer insulating film 11 grown on the whole surface, an electrode 13 is formed, and electric connection is performed. Thereby step-difference between an element region and a field region is reduced, and flattening is enabled.
Patent JP-H11314052-A (JP)
Title: Injection device for atomizing fluid
Inventor: GUEBELI FERDINAND
IPC: B05B7/02
Filed: 1999-02-24
Abstract: PROBLEM TO BE SOLVED: To enable inflow of a selectable air amount into each of air feed ducts so that shut-off valves cna be regulated easily and further the reproducible regulation is improved so that it can be achieved in a short time without difficulty, and also the device is of a compact structure by remodeling both shut-off valves and enabling both shut-off valves to be operated simultaneously or by one hand or by right hand or left had depending upon occasion. SOLUTION: Both shut-off valves (AV1 , AV2 ) are fitted into one (19) of the sides of an air feed duct directly one after an another in the axial line direction, and are formed of rotary slide valves 21, 61 which can be operated by individual grip members 25, 66. The air feed duct 19 is selectively connected independently of each other to an air supply pipe 12 formed in a casing 3 with the help of the rotary slide valves 21, 61.
Patent JP-2000241972-A (JP)
Title: Positive lithographic printing material
Inventor: NAKAMURA IPPEI
IPC: G03F7/004
Filed: 1999-02-24
Abstract: PROBLEM TO BE SOLVED: To enable a direct plate making process using a solid laser and semiconductor laser which emit IR rays, to increase sensitivity for IR laser light and to improve development latitude and storage stability by incorporating a specified alkali water-soluble polymer and an IR absorbent. SOLUTION: This printing material contains a water-insoluble and alkali water-soluble polymer (specified alkali water-soluble polymer) and IR absorbent. The specified polymer has a phenolic structure in at least either the main chain or the side chain and as at least one electron withdrawing substituent on the aromatic cyclic groups in this phenol structure. In this material, the electron withdrawing substituent acts to decrease the pKa of the phenolic hydroxyl group in the specified alkali water-soluble polymer. Thereby, strong interaction generates in between groups such as hydroxyl group-hydroxyl group and hydroxyl group-IR absorbent to form a dense mesh bonds. Moreover, the solubility of the exposed part with an alkali developer is increased, and high sensitivity and high development latitude are obtd.
Patent JP-H02225604-A (JP)
Title: Method for removing surface defect in sintered forged parts
Inventor: HOSHINA EISUKE
IPC: B22F3/24
Filed: 1989-02-28
Abstract: PURPOSE:To remove surface defect in sintered forged parts and to give fatigue strength by alternately executing shot peening and heating to the sintered forged parts and executing void crushing, oxide reduction, metal bonding and residual compressive stress giving to the surface part thereof in order. CONSTITUTION:The first shot peening is executed to the sintered forged parts manufactured by forging the sintered body at more than recrystallizing temp. thereof, to crush the voids on the surface part thereof. Successively, the sintered forged, parts is heated under reducing atmosphere or protection atmosphere to reduce the oxide on the surface part thereof and also make metallic bond state of the particles on the surface part. Further, the second shot peening is executed and the residual compressed stress is give to the surface part to improve the surface roughness and the fatigue strength. By this method, the surface defect of the sintered forged parts can be removed.