baber/WOPTO huggingface dataset:
Patent JP-S54130620-A (JP)
Title: Preparation of alpha-quinacridone pigment
Inventor: SHIBATA KATSUYA
IPC: C09B67/52
Filed: 1978-04-01
Abstract: PURPOSE: To obtain an α-pigment having improved weatherability, light and heat resistance, simply and rapidly, by dissolving crude quinacridone (Q) in dimethyl sulfoxide in the presence of a caustic alkali and water, and by diluting the solution to purify Q.  
     CONSTITUTION: One mole of crude quinacridone (Q) of formula is dissolved in dimethyl sulfoxide (DMSO) in the presence of 1.5W2.5 moles of a caustic alkali, preferably a potassium salt, and water in an amount of 6W8 times that of Q at 60W90°C for 1W3 hr. Insoluble matter is filtered off, if necessary, and the resulting solution is diluted with water to give the objective α-quinacridone pigment. The weight ratio of the water to DMSO is preferably 3:97W30:70.  
     EFFECT: Non-contamination with sulfonates in the absence of sulfuric acid. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S54129047-A (JP)
Title: Rigid vinyl chloride resin composition
Inventor: KAMIKITA MASAKAZU
IPC: C08L77/00
Filed: 1978-03-30
Abstract: PURPOSE: The title composition capable of preventing whitening and loss of gloss caused by light, heat, and water, obtained by adding polyamide resin to vinyl chloride resin.  
     CONSTITUTION: 100 parts by wt. of vinyl chloride resin(polyvinyl chloride resin, polyvinylidene chloride resin, vinyl chloride-vinylidene chloride copolymer resin, etc.) is blended with 0.1W10 parts by wt. of polyamide resin. Nylon 10, nylon 11, a N-alkoxymethylated polyamide, etc., capable of being melted at ordinary molding conditions, not accelerating degradation of the vinyl chloride resin, is used as the polyamide resin. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H08211315-A (JP)
Title: Scanning optical device
Inventor: KATO MANABU
IPC: G02B26/10
Filed: 1995-02-02
Abstract: PURPOSE: To obtain a scanning optical device capable of eliminating the influence of a refractive power change due to an environmental change and also reducing the curving of a scanning line and the rotation of a spot, etc., by constituting an image forming element of two mirrors having prescribed shapes and appropriately arranging the two mirrors. CONSTITUTION: As for the scanning optical device for guiding a luminous flux emitted from a light source means 1 onto the surface of a deflecting element 5 through a 1st optical element 2, forming the image of the luminous flux deflected by the deflecting element 5 on a surface to be scanned 8 in a spot state through a 2nd optical element 10 and scanning the surface to be scanned 8, the device is provided with at least two mirrors; the 1st and 2nd mirrors 6 and 7, and both of the two mirrors 6 and 7 are provided with a positive refractive power in a main scanning surface, and the mirrors are arranged so that an optical path going from the deflecting element 5 toward the 1st mirror 6 and an optical path going from the 2nd mirror 7 toward the surface to be scanned 8 may intersect each other.
Patent JP-H06250907-A (JP)
Title: Supporting device for distributed cooperative work
Inventor: NAKAMURA NOBUTATSU
IPC: G06F12/00
Filed: 1993-02-26
Abstract: PURPOSE:To provide a distributed cooperative work supporting device for exclusively cooperation-processing shared data in a distributed information processing system connected by a network. CONSTITUTION:A server system 2 processing shared data with a client system 1 executing an interactive processing with a user is provided. A shared data management-part 7 manages the operation right of respective pieces of data. The client system 2 requests the operation right to the server system 1 at the time of updating data, and shared data transferred from a shared data storage part 8 is operated in a data storage part 10. Data update information is transmitted to the server system 2 on a real time basis, and data of the shared data storage part 8 is updated. Data update information is stored in the shared data storage part, and it is referred to by the other client system 11, and data of a data storage part in the other client system 11 is udpated.
Patent JP-H06246837-A (JP)
Title: Optically shaping method and device
Inventor: OONISHI HISATOMO
IPC: G03F7/20
Filed: 1993-02-26
Abstract: PURPOSE:To reduce shaping cost and enhance shaping accuracy by a method wherein use amount of high-cost photosetting resin is reduced, shrinkage and strain of a flowable material caused by setting are restrained, and a layer to be exposed to light is surely supported in a light exposing process. CONSTITUTION:As a flowable material, a mixture material 100 is prepared by mixing an uncured (or semi-cured) photosetting resin with a plurality of globes which are not shrunk under light exposure. An uncured lower mixture material layer 110B is formed by approximating the globes of the mixture material 100 to each other. Thereafter, a lower cured layer 111B is formed by selectively exposing the layer 110B to light. On the mixture material layer 110B including the cured layer 111B, an uncured upper mixture material layer 110A is formed. An upper cured layer 111A is formed by selectively exposing the upper mixture material layer 110A to light in the state that the upper mixture material layer 110A is supported by a plurality of globes of the lower mixture material layer 110B and the cured layer 111B.
Patent JP-S56133016-A (JP)
Title: Water making apparatus
Inventor: HIRAYAMA YOSHIO
IPC: B01D53/26
Filed: 1980-03-21
Abstract: PURPOSE: To make uniform the pressure contact of a movable door against an opening part and thereby to prevent steam from leaking by a method wherein the movable door at the opening part for outside air can be operated at only one point in its center part through a ball, in an absorption dehydrating tower of the water producer for obtaining water from moisture in a gas.  
     CONSTITUTION: Supporting bolts 108 are fitted to the movable door 102 at a gas intake or discharge port of the absorption dehydrating tower 1 and are coupled to door arms 103 through springs 109, respectively. Then, a central part of reinforcing arms 103a crosslinking the two door arms 103 is contacted with the door 102 through the ball 110 for point load, so that a load for pressure-contacting the door 102 with a fixed wall 101 is applied to the door 102 through the ball 110 alone. In a dehydrating process, a piston mechanism 105 is operated to rotate the door arms 103 and the refinforcing arms 103a. Accordingly, the door 102 can be contacted under pressure with the fixed wall 101 through the ball 110 to tightly close the opening part with a packing 102a. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H07225325-A (JP)
Title: Non-reflection terminal part of optical fiber
Inventor: HOSOYA HIDEYUKI
IPC: G02B6/38
Filed: 1994-02-11
Abstract: PURPOSE:To provide a non-reflection terminal being resistant to dirt and dust, of high reliability and easy to handle. CONSTITUTION:A coreless fiber 30 about 200mm long (not having a waveguide structure i.e., a coreless glass fiber whose distribution of refractive index is flat) is connected by welding on the end part of an optical fiber 14. Otherwise, a connector ferrule 34 is mounted on the end part of the coreless fiber 30 and the optical fiber 14 is connected to the connector. An incident light beam incident on the coreless fiber 30 from the optical fiber 14 soon leaks out. A reflection point 300 exists on the end of the coreless fiber 30 but the light does not reach there. Consequently, a non-reflection terminal is easily realized.
Patent JP-H09228862-A (JP)
Title: Traction controller of vehicle
Inventor: KOSAKA HAJIME
IPC: F02D17/02
Filed: 1996-02-26
Abstract: PROBLEM TO BE SOLVED: To guarantee torque drop to keep its linear characteristic when traction control by fuel cut per cylinder is compensated by step by step delay control. SOLUTION: On the basis of wheel speed VW read in the step 22, and on the basis of slip quantity S (m, Ne , Tp ) separately on the address assigned by engine number of revolution Ne and a fuel injection quantity Tp in a delay quantity map per control mode m, in the step 23, slip variation quantity ΔS (Ne , Tp ) between those modes of mutually same addresses is calculated. In the step 24 is calculated an ideal valve ΔSi *(Ne , Tp ) for a slip variation quantity between those for setting the torque drop rate in relation to the control mode in a linear shape and in the step 25, the direction of a correcting delay quantity map value so as to make ΔS (Ne , Tp ) to ΔS'* (Ne , Tp ) is determined and this correction is practiced in the step 30.
Patent JP-H08231462-A (JP)
Title: Perfluoroalkylarboxylic acid fluoride and production of its derivative
Inventor: TABUCHI SHOICHI
IPC: C07C53/21
Filed: 1995-02-27
Abstract: PURPOSE: To obtain the subject compound useful as an emulsion, etc., for polymerization of fluoroolefin by reacting a perfluoroalkyl iodide with fuming sulfuric acid. CONSTITUTION: (B) A perfluoroalkyl iodide of the formula RfI (Rf is a 2-17C perfluoroalkyl) is reacted with (C) fuming sulfuric acid containing 50-70% sulfur trioxide in a liquid phase in the presence of one or more catalysts comprising a group of compounds of elements of P, Mo and Sn at 50-200 deg.C reaction temperature to afford (D) a perfluoroalkylcarboxylic acid fluoride of the formula R'fCOF (R'f is a 1-16C perfluoroalkyl) and the resultant reaction mixture is separated into an organic phase containing the component D and an inorganic phase consisting essentially of sulfuric acid, and the organic phase containing the component D is rectified to provide the objective fluoride. Furthermore, one or more kinds of catalysts comprising a group of phosphorus compounds, e.g. PCl5 , P2 O5 and antimony pentachloride are preferably used as the component A.
Patent JP-S63205978-A (JP)
Title: Fiber module for optical communication
Inventor: KATANO HIDEKI
IPC: H04B10/25
Filed: 1987-02-23
Abstract: PURPOSE:To enhance the mounting accuracy of a spherically tipped fiber by a method wherein the spherically tipped fiber is supported by a retaining body composed of a heat-insulating material and a bridge body protruding from the retaining body. CONSTITUTION:A square-plate support body 2 is installed at one edge of a base stand 1; a laser diode 4 is attached to the central part on one main face 3 of the support body 2. A fiber-retaining body 5 composed of the following is installed at the other edge of the base stand 1: a base plate 7; stainless-steel support pillars 8; a square support plate 10 having a support hole 9; bridge bodies 11 bridging the support plate 10 and support pillars 8. A spherically tipped fiber 6 whose tip is spherical is inserted through the support hole 9 and is fixed after its optical axis has been aligned by using a jig (not indicated in the figure). The fiber 6 is fixed to the support hole 9 by pouring the molten solder. By this setup, the solder is solidified uniformly and the mounting accuracy of the fiber is enhanced.
Patent JP-S59164504-A (JP)
Title: Optical fiber core
Inventor: SHIODA TAKAO
IPC: G02B6/02
Filed: 1983-03-08
Abstract: PURPOSE:To prevent an increase in the transmission loss of an optical fiber core in a strong magnetic field around a generator, a large-sized transformer or the like by using weakly magnetic materials which are almost equal to each other in magnetic susceptibility as the material of the metallic coating of a metal coated optical fiber and the material of a metallic pipe for holding the optical fiber. CONSTITUTION:Weakly magnetic bodies which have <=1.0X10<-6> magnetic susceptibility and are almost equal to each other in the susceptibility are used as the material of a metallic coating 2 for improving the moisture and water resistances of a naked optical fiber 1 and the material of a metallic pipe 4 for loosely holding a metal coated optical fiber. The weakly magnetic bodies include Al, Si and In. The distortion of the coating 2 and the pipe 4 due to magnetizing force applied in a strong magnetic field is prevented, so the distortion of the optical fiber is also prevented, and the transmission loss is not increased.
Patent JP-H10241662-A (JP)
Title: Electrode containing organic disulfide compound and manufacture thereof
Inventor: TONOMURA TADASHI
IPC: H01M4/13
Filed: 1997-02-21
Abstract: PROBLEM TO BE SOLVED: To provide an electrode in which high energy density and high charge and discharge efficiency can be held, and charge and discharge cycle characteristics are good by causing the electrode to contain a complex made of an organic disulfide compound, in which sulfur-sulfur bonding is cloven and regenerated by an electrolytic reduction and electrolytic oxidation, silver ions, and copper ions. SOLUTION: A complex made of an organic disulfide compound such as dithioglycol or the like, in which sulfur-sulfur bonding is cloven by electrolyte reduction so as to produce sulfur-metal ion (containing protons) bonding, and the original sulfur-sulfur bonding is regenerated by electrolytic oxidation, and silver ions, a complex made of the organic disulfide compound and the copper ions, and further on demand electrode material containing polyaniline are formed on a conductive substrate, so as to obtain an electrode. In order to form the electrode, the organic disulfide compound is dissolved in NR-2-pyrolidone (R is H or alkyl group), the polyaniline is on demand added thereto, further the solution of silver slat and copper salt is mixed, and the same is applied to the conductive substrate and is heated in an inert gas atmosphere or in a vacuum.
Patent JP-H11223716-A (JP)
Title: Production of reflection type optical diffraction element
Inventor: SASAKI HIRONORI
IPC: G02B6/13
Filed: 1998-02-04
Abstract: PROBLEM TO BE SOLVED: To extremely speedily find mask conditions without working through trial and error and being strongly affected by errors by inputting the coefficients of respective terms in a Taylor expansion expression to be approximated to the desired optical path difference function to a computer program for finding the mask conditions. SOLUTION: Concerning the optical characteristics of an incident light side medium having a refraction factor (n), the coordinate position of a spot light source is expressed as (X, Y, Z), a distance from an origin on a Z axis orthogonal to X and Y axes to the light source is expressed as L and the vector component of light passed through the origin parallel to transformed parallel light flux is expressed as (α, β, γ,) respectively. In such a case, an optical path difference function p (x, y) is can be found by the general equality of ρ(x,y)=(n/2). (X-x)<2> +(Y-y)<2> +Z<2> }<1/2> -(nL/2)--(n/2). (αx+βy)/(α<2> +β<2> +γ<2> )<1/2> }.  An approximate value is found by the Taylor expansion of the found optical path difference function, and the mask conditions are found by inputting the coefficients of respective terms in the provided approximate value to the computer program.
Patent JP-H06247586-A (JP)
Title: Paper feed device of printing device
Inventor: SUZUKI KAZUYUKI
IPC: B65H9/14
Filed: 1993-02-26
Abstract: PURPOSE:To prevent dislocation of a printed image. CONSTITUTION:The paper feed device of a printing device is provided with a paper feed base 7 on which paper sheets 8 are loaded, a separately transport part 14 to separate the uppermost one paper sheet from the paper feed base 7 and transport it, and a resist roller 9 to feed the paper sheet transported from the separately transport part 14 between a printing drum 1 and a press roller 3. Further the paper feed device is provided with driving parts 6, 10 by wich rotational variation of the printing drum 1 is detected, and the resist roller 9 is driven so as to eliminate dislocation of a printed image due to the rotational variation.
Patent JP-S60182322-A (JP)
Title: Parts of internal-combustion engine using mixed fuel
Inventor: YOSHIKAWA HIDEO
IPC: F02F7/00
Filed: 1984-02-29
Abstract: PURPOSE:To enable parts of an internal-combustion engine to be prevented from corrosion, by forming a bridged product film of epoxy-system resin on a contact surface with liquid or vapor of alcohol, in the case of the internal-combustion engine using fuel of alcohol system. CONSTITUTION:Parts of an internal-combustion engine are corroded due to a reason such that a structural material of iron or aluminum system alloy and the like, if it comes into contact with alcohol like ethanol and methanol or the like, acts as a catalyst producing a strong acid such as formic acid and acetic acid by the following expression of reaction CH3OH HCOOH, C2H2OH CH3COOH. Therefore, a heat-resistant bridged product film of epoxy-system resin is formed on a surface, brought into contact with liquid or vapor of alcohol, of the parts of the internal-combustion engine. Then the metal, constituting the parts, is prevented from acting as the catalyst by completely sealing a surface of the metal.
Patent JP-S63204965-A (JP)
Title: Telephone system
Inventor: MASUDA NOBORU
IPC: H04M1/64
Filed: 1987-02-20
Abstract: PURPOSE:To detect that a third person has entered in an absence and to origi nate it by providing a pyroelectric type infrared ray detection device in a tele phone system. CONSTITUTION:The pyroelectric type infrared ray detection device 1 which is integrated with the telephone system in which a piece of mirror is provided near a pyroelectric type infrared ray detection element is provided. If an intrud er is detected, the information is reported from the telephone system to a crime prevention guard company. Namely, a telephone set is generally set in a living room, a corridor, an entance or the like, whereby they coincide with places required for the prevention of crimes. If a call is made, the pyroelectric type infrared ray detection device 1 operates to detect whether there is any person near the telephone set. If it does not detect any person, it transmits the informa tion of a voice signal or a dial tone different from a ringing tone to a caller, whereby an opposite is prevented from being kept waiting for a long time.
Patent JP-S56135617-A (JP)
Title: Erection method for platform construction
Inventor: KIKUI KEIZOU
IPC: E04H5/02
Filed: 1980-03-26
Abstract: PURPOSE: To construct a platform safely and efficiently by a method wherein most of the construction works can be carried out on the ground assembling truss members on a then built up by using a special erection method.  
     CONSTITUTION: Truss members 1W5 are connected using hinges 6W9 then laid in a straight alignment. Next, rotate riber truss members 1, 5 by 90°. Then stiffner members 10W13 are connected right angled to each other around the hinges 6 and 9 to form two diamonds. And then the loop cable 14 is from the hinge 7 via the top of member 12, the top of stiffner 10, the top of member 1 and again to the hinge 7. Another diamond is formed by stretching similarly the loop cable 15. Then the two diamonds are erected by the hoist 20 using the cable 19 through the sheaves 17, 18 provided between the top of stiffners 10, 11, and finally those diamonds are connected into one at the end of members 1, 5. After completed the trusses at four sides, the neibouring trusses are erected by the same method. The platform can be constructed at the sides of adjacent core truss successively to construct a platform. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H0890286-A (JP)
Title: Production of flux-containing al alloy brazing filler metal
Inventor: OSAME YASUHIRO
IPC: B22F3/02
Filed: 1995-02-27
Abstract: PURPOSE: To simplify production equipment and to reduce a manufacturing cost by pressurizing a powder mixture composed of brazing filler metal component and flux component powder to mold and solidify the powder mixture to form a green compact, then heating this green compact and subjecting the green compact to secondary molding to a required shape. CONSTITUTION: The green compact of the powder mixture composed of the brazing filler metal component powder and the flux component powder is merely necessitated to be made solidifiable to the extent of allow handling. The pressurizing at a low temp. than heretofore is, therefore, sufficient and, therefore, there is no possibility that the brazing filler metal component powder is oxidized and there is no need for carrying out a green compact operation in a non- oxidizing atmosphere. The need for a throw-away container for compaction needed in the case of conventional hot compaction is eliminated. The need for an operation, such as degassing prior to the compaction and removal of the container, is eliminated. Since the compaction is executed at a low temp. and, therefore, the process management is facilitated and the flux-contg.  Al brazing filler metal having high quality is stably produced.
Patent JP-H11236529-A (JP)
Title: Water-based coating composition, production thereof, and coating film obtained therefrom
Inventor: FUJITA EIJI
IPC: C09D167/02
Filed: 1998-02-20
Abstract: PROBLEM TO BE SOLVED: To obtain a water-based coating composition having excellent storage stability and giving a coating film excellent in adhesion to a metallic sheet, chemical resistance, processability, hardness, water resistance, etc., by mixing a polyester resin with a hydrophilic amino resin, ammonia, an amphiphatic organic solvent, a protective colloid, and water. SOLUTION: This composition comprises components A to F and having an A/B weight ratio of 95/5 to 60/40: (A) a polyester resin substantially consisting of a polybasic acid component (comprising at least 50 mol.% aromatic polybasic acid) and a polyhydric alcohol component (based on ethylene glycol and/or neopenthyl glycol) and having an acid value of 8-36 mgKOH/g, a number- average molecular weight of 4,000 or above, and a polydispersity index of 4.0 or above; (B) a hydrophilic amino resin having an average degree of polymerization of 5 or below; (C) ammonia and/or an organic amine compound having a boiling point of 250 deg.C or below; (D) at most 12 wt.%, based on the composition, amphiphatic organic solvent having the ability to plasticize component A; and (E) at most 0.05 wt.% based on the total of components A and B, protective colloid.
Patent JP-H02218027-A (JP)
Title: Detector for warp of disk
Inventor: ITOI TOSHIKI
IPC: G11B7/095
Filed: 1989-02-17
Abstract: PURPOSE:To miniaturize an optical pickup by adhering one sheet of a planar metallic plate spring together on a flexible substrate, and arranging this substrate in parallel with a disk, and fixing rigidly a sensor to detect optically the warp of the disk on the surface of this substrate at a side opposed to this disk, and bending a part of the metallic spring. CONSTITUTION:A tilt sensor 11 is adjusted so as to be perpendicular to the disk 10 by screwing an inclination adjusting screw 15 into the screw hole 8a of an optical base 8, and pushing up the surface of the metallic plate spring 13 at an opposite side to the surface opposed to the disk 10, and bending the hinge part 13a of the metallic spring 13. One sheet of the planar metallic plate spring 13 is adhered on the flexible substrate 12, and by bending a part of this metallic plate spring 13, the inclination angle of the tilt sensor 11 to detect optically the warp of the disk 10 to the disk 10 can be adjusted. A conventional tilt adjusting base is eliminated with a simple constitution, and cost can be reduced.