baber/WOPTO huggingface dataset:
Patent JP-S57130777-A (JP)
Title: Method and device for fixing electrogas welding set
Inventor: YANO KENICHI
IPC: B23K9/173
Filed: 1981-02-09
Abstract: PURPOSE:To fix a welding set easily to a proper position by retaining the welding set by a magnet incorporated in the set itself on a material to be weled and further fixing with a fixing jig. CONSTITUTION:Fixing of the first step is positioning for temporary fixing device of a welding set. A magnet 14 is fitted to the body 1 of an electrogas welding  set and the body 1 is fixed to the correct position on a material 8 to be welded.  This bond strength is weak in the direction parallel to the surface of said material 8 to be welded, the body is moved further to the proper position by tapping with a hammer, etc. As for fixing of the second step, a fixing fin 13 projected  on the side of the body 1 is fixed with jigs 15a and 15b provided with magnets.
Patent JP-S55110161-A (JP)
Title: Production of basic dye
Inventor: GOTOU YASUTO
IPC: C09B57/06
Filed: 1979-02-16
Abstract: PURPOSE: In the production of basic dyes by reaction between a lactam and an aniline, zinc oxide is used as a catalyst to increase remarkably the reaction yield.  
     CONSTITUTION: The condensation reaction between (A) a compound of formula I (R 1  is H, lower alkyl, cyano-lower-alkyl, carboxyl-substituted-lower alkyl; X is H, halogen), e.g., N-cyanoethyl-1,8-naphtholactam, and (B) a compound of formula II (R 2  and R 3  are lower alkyl or lower alkoxy-lower alkyl), e.g., N,N-diethylaniline, is conducted in the presence of an inorganic acid halide, e.g., phosphorus oxychloride and zinc oxide as a catalyst in an amount of 0.3W1 time the molar quantity of the component A at 60W90°C for 4W10hr to produce a basic dye of formula III (Y is an anion) in high yield. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-2000214606-A (JP)
Title: Photoreceptor coating device and photoreceptor coating method
Inventor: SAITO SAKAE
IPC: G03G5/05
Filed: 1999-01-26
Abstract: PROBLEM TO BE SOLVED: To decrease the fraction defective of a photoreceptor drum by rapidly adjusting the viscosity of a coating liquid and suppressing the generation of foam. SOLUTION: This photoreceptor coating device is provided with a coating tank 21 for dipping a tube stock 1 of the photoreceptor drum 3, in which the coating liquid S1 prepared by dissolving a photoreceptor 4 in a solvent is filled, and a circulation tank 23 for circulating the coating liquid S1 through the coating tank 21 to coat the outer peripheral surface of tube stock 1 with the coating liquid S1. In such a case, a mixing tank 43 for preparing a mixed liquid by stirring the coating liquid S1 supplied from the circulation tank 23 and a solvent S3 supplied from a solvent tank 32 in a stirring device 48 is included and the adjustment of the viscosity of the coating liquid S1 is performed by supplying the mixed liquid S2 from the mixing tank 43 to the circulation tank 23 with the change of the viscosity of the coating liquid S1.
Patent JP-H11215753-A (JP)
Title: Insulating coil and insulating tape used with the same
Inventor: HATANAKA YASUMICHI
IPC: C09J161/00
Filed: 1998-01-29
Abstract: PROBLEM TO BE SOLVED: To improve the reliability of insulating characteristic by winding a tape bonded by hardening a catalyst and binder resin, consisting of phenol resin, and impregnation-hardening thermosetting impregnating resin consisting of epoxy resin and acid anhydride. SOLUTION: An insulating tape is produced by bonding an insulating material to reinforcing material with binder resin consisting of phenol resin containing a hardening catalyst. The insulating tape is wound around a coil conductor 3 and is impregnated with thermosetting resin consisting of epoxy resin and acid anhydride, and then hardened to form an insulating layer 4 and obtain an insulating coil 2. The binder resin of the insulating tape consists of the hardening catalyst and phenol resin, so that the epoxy resin in the impregnation resin reacts with the phenol resin. The impregnating resin and the binder resin are integrated to be hardened, such that it is possible to provide an insulating coil with improved insulating layer characteristic and high reliability.
Patent JP-S54109507-A (JP)
Title: Fuel injection type internal combustion engine
Inventor: AIHARA HISAMOTO
IPC: F02B23/10
Filed: 1978-02-17
Abstract: PURPOSE: To preferably burn dilute mixture gas in a fuel injection type internal combustion engine by forming a combustion chamber to which air is tangetially introduced from squish area in the vicinity of completion of compression stroke of a piston for laminar combustion.  
     CONSTITUTION: There are provided a fuel injection nozzle 1 and an ignition plug 11 at a cylinder head 1 of a fuel injection type internal combustion engine. There are formed an annular partition wall 7 around a piston 3 and a vortex chamber 6 at the center thereof. A plurality of radial injection slots 8 are formed on the wall 7. Thus, the air in a combustion chamber 4 is introduced in vortex state into a vortex chamber 6 through the slots 8 at the compression stroke of the piston. Injection nozzle 10 is disposed at the position opposite to the vortex to improve the mixture of injected fuel and the air. The plug 11 is disposed at the center of the vortex for exact ignition of the mixture gas. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H02197245-A (JP)
Title: Brushless motor
Inventor: MOTOHASHI MAKOTO
IPC: H02K29/08
Filed: 1989-01-26
Abstract: PURPOSE:To suppress the temperature rise and lowering of sensitivity of a magnetic induction element by forming a position-sensing magnet from plastic magnet materials. CONSTITUTION:A rotor shaft 2 is rotatably retained by a housing 9 and the bearing 11 of a bearing stand 10. A sensing magnet(MG) 22 is fixed at the rotor shaft 2 protruding through said bearing stand 10 by a press fit or adhesion, etc., via bush 23. A magnetic induction element 13 is arranged to face the outer periphery of said MG 22 to enable the polarity checking thereof. Said MG 22 is formed into a disc of ferrite or rare earth plastic magnet materials. The MG 22 is small in thermal conductivity to suppress a temperature rise by the heat entering via the rotating shaft 2. Thus, it is possible to suppress the temperature rise of said magnetic induction element 13 arranged in close vicinity to the sensing magnet.
Patent JP-H09183529-A (JP)
Title: Paper feeding device
Inventor: TANABE CHIKASHI
IPC: B41J13/02
Filed: 1996-01-05
Abstract: PROBLEM TO BE SOLVED: To establish a mechanism of FRR paper feeding device to return to the tray and stack those sheets which remain in the place while they are pinched by a feed roller and separation roller without increasing electric components but using only simple mechanical part items. SOLUTION: An FRR paper feeding device concerned includes a feed roller 1 rotating in the sheet feeding direction, a separation roller 2 contacting with it 1 and rotating in the opposite direction to the sheet feeding direction with torque limiter interposed, a pickup roller 3 to feed sheet to between the two rollers, and a swinging means to contact and separate the pickup roller 3 with/ from the sheet 5. A gear 35 is installed on the drive shaft T of the feed roller 1 so that restraint is made by a pawl 33-1 with possibility of rotating only in the sheet feeding direction. This restraint of the rotating direction is disengaged when a solenoid 13 to swing the pickup roller 3 is actuated so that the drive shaft 7 is put free to rotate.
Patent JP-H02199050-A (JP)
Title: Artificial stone and production thereof
Inventor: MIYASHITA KENICHI
IPC: C08K3/22
Filed: 1989-01-26
Abstract: PURPOSE:To obtain an artificial stone having excellent stain resistance, heat resistance and scratch resistance by polishing the surface of a molded article containing quartz granules, aluminum hydroxide powder and glass fiber in an unsaturated polyester resin. CONSTITUTION:A molding material prepared by blending an unsaturated polyester resin with quartz granules, aluminum hydroxide powder and glass fabler is molded. Then the surface of the molded article is polished to provide the aimed artificial stone. In the above-mentioned artificial stone, blend ratio of the unsaturated polyester, quartz granules, aluminum hydroxide and glass fiber is preferably each set to 5-26wt.%, 70-90wt.%, 3-15wt.% and 1-8wt.%. In production of the artificial stone, quartz granules contained inside can be exposed in wide area on the surface of the artificial stone and effect for improving surface hardness of the artificial stone by the quartz granules can be enhanced by polishing the surface of the molded article.
Patent JP-H06228555-A (JP)
Title: Organic electroluminescent element
Inventor: ENOKIDA TOSHIO
IPC: C09K11/06
Filed: 1993-02-04
Abstract: PURPOSE:To provide an element which has high luminance and luminescent efficiency, hardly undergoes degradation in luminescence, and is highly reliable. CONSTITUTION:At least one org. compd. of the formula (wherein X and Y are each independently an optionally substd. alicyclic, carbocyclic arom., hetercyclic arom., or heterocyclic group provided each group may form a satd. or unsatd. ring) is used for producing the EL element which at least has a phosphor between a pair of electrodes.
Patent JP-H11220785-A (JP)
Title: Panel-type loudspeaker system
Inventor: MIZUUCHI TAKAYUKI
IPC: H04R1/00
Filed: 1998-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a wide frequency response characteristic from a low-frequency band to a high-frequency band of reproduced output. SOLUTION: A diaphragm 2 which is rigid and is formed into a panel form is supported by making the outer peripheral part 2c, to be an almost non- restricted state. A partial bending action of the diaphragm 2 is generated and reproduced output is sound-output is sound-radiated in two jointing parts 18 and 20, based on a reproduced input signals by driver units 3 and 4 fitting the diaphragm 2 to a face to be 2b driven. The first jointing part 18 has a ring form and the second jointing part 20 has a prescribed area.
Patent JP-S62174136-A (JP)
Title: Production device of composite board
Inventor: SATO HIROMITSU
IPC: B32B37/00
Filed: 1986-01-28
Abstract: PURPOSE:To make it possible to very easily manufacture composite boards, the male and female connecting parts of which are intricate and which has a shape impossible to form before charging foam, in two stripes by a method wherein board base material is slit during the forming of board. CONSTITUTION:First, the starting end of base material A is fed through pinch rolls 3 to a forming machine 4, in which female connecting parts F are formed on both side edges of the base material A and decorative ribs G are formed midway in the width direction of the base material and, after that, the base material A is slit at its center in the width direction into two stripes with a slitter 6 in order to form male connecting parts E with rolls provided in the following steps. Secondly, a raw material P is discharged in the trough- shaped part of the base material A at a discharging section 8 and, after that, a base material C is pressingly fitted and laminated to the raw material P. Thirdly, this base material is pressed with guide rollers 10 which have functions to form the male and female connecting parts E and F, and then fed to a mold 11. During the passing of this base material through the mold, the raw material P is reacted, foamed and cured so as to deliver this base material from the outlet of the mold in the form of a continuous band S of composite board. The continuous band S of composite board which is divided into two stripes is cut with a traveling cutter 21 in optional lengths and carried to a packaging section.
Patent JP-S59143624-A (JP)
Title: Opening and closing plug for gate of hot runner nozzle
Inventor: TERAOKA SHIYOUICHI
IPC: B29C45/74
Filed: 1983-02-05
Abstract: PURPOSE:To let plasticized molten resin not leak out from a nozzle gate and to let a gate mark not be remained on a molded product, by providing an opening and closing plug for a gate of a hot runner nozzle which is provided within an end part of a hot runner of an extruder, with a built-in heating unit such as a cartridge heater and makes reciprocating motion. CONSTITUTION:When a plasticized matter is supplied to a screw 2, the plasticized matter is injected into a cavity of a mold from an opening of a tip gate 27 of a nozzle 6 by passing through the lower edge 25 of the screw 27 and a gap 26' between a hot runner 26 and an opening and closing plug 18 of the gate 27. Reciprocating motion of the opening and closing plug 18 of the gate 27 is so constituted that the gate 27 is opened and closed according to an injection cycle through connection among a limit switch, a timer and relay by interlocking with a movement stroke through hydraulic pressure of a rod 14 in which the opening and closing plug 18 is fitted directly below a hydraulic cylinder 12. The opening and closing plug 18 repeats its action so as to open the gate 27 at the time of injection and closes the same after the injection.
Patent JP-H06230994-A (JP)
Title: Abnormality detecting device for cpu system
Inventor: SHIMIZU KAZUHIRO
IPC: G06F11/18
Filed: 1993-02-04
Abstract: PURPOSE:To provide the abnormality detecting device for the CPU system which can always and securely monitor abnormality of the system. CONSTITUTION:A rear-wheel steering angle controller for a vehicle has a main CPU 24 and a sub-CPU 33. Sensor signals are all inputted to the main CPU 24, which performs various arithmetic operations. Then the sensor signal data and arithmetic result data are transferred to the sub-CPU 33. The sub-CPU 33 performs various arithmetic operations based upon the inputted sensor signal data and compares the arithmetic results with the arithmetic result data from the main CPU 24 to monitor abnormality. The sub-CPU 33, on the other hand, transfers its arithmetic result data to the main CPU 24, which also compares them with its arithmetic result data to monitor abnormality.
Patent JP-S60163011-A (JP)
Title: Optical device
Inventor: MIYAWAKI MAKOTO
IPC: G02B7/28
Filed: 1984-02-04
Abstract: PURPOSE:To move automatically and quickly the whole lens barrel part to a fed-in position which is strong against an external force, without applying an immoderate load to an optical system and a driving system, by providing a switch for starting a motor which can be operated manually from the outside of an optical device. CONSTITUTION:An optical device is provided with a switch member 13e for starting a motor which can be operated manually from the outside. That is to say, in this case, a switch 14 is turned on by applying a force to the switch member 13e from a state as shown in the figure and rotating clockwise a switching lever 13 against a force of a spring 16, and a gear 15 and a tele-wide gear 18 are meshed therewith. In this way, a power of a reverse rotation of a motor 1 is transmitted to a turning pin 18b through a gear train, and the whole lens barrel part can be moved automatically and quickly to a fed-in position which is strong against an external force, without applying an immoderate load to an optical system and a driving system.
Patent JP-H02200744-A (JP)
Title: Manufacture of tungsten carbide-base sintered hard alloy for cutting tools having less dimension in void defect
Inventor: KATAYAMA AKIRA
IPC: B22F1/00
Filed: 1989-01-30
Abstract: PURPOSE:To obtain the sintered hard alloy for cutting tools having less defect caused by the segregation of cobalt by using coated power of which the surface of hard carbide material powder is coated with Co as a raw material. CONSTITUTION:The surface of respective hard material powder constituted of (A) WC, (B) the solid solution carbide and solid solution nitride of W and Ti and (C) the solid solution carbide and solid solution nitride of W and Ti with one or more kinds among the transition metals in the groups IVa, Va and VIa (except W and Ti) is coated with Co as a bonding phase. The coated powder is added with a forming auxiliary, which is subjected to press forming and sintering to obtain the WC-base sintered hard alloy for cutting tools. The coating of Co is executed by electroless plating, a deposition method or the like. In this way, dimension in void defection caused by aggregated Co is re duced, by which the effect of showing excellent capacity when used to tools for intermittent cutting applied with impact loads can be obtd.
Patent JP-H05212249-A (JP)
Title: Isotope separator
Inventor: KITA YOSHIO
IPC: B01D59/34
Filed: 1992-02-03
Abstract: PURPOSE:To improve an isotope sepn. rate by preventing the intrusion of the plasma in metallic vapor into the spaces between product recovering plates. CONSTITUTION:This separator recovers isotope metal ions by irradiating the metallic vapor of a metallic sample 2 with a laser beam and has a vessel 10 which covers the metallic sample and the space for generation of the metallic vapor, an aperture which is formed on the recovering electrode 4 side wall of this vessel 10 and a magnetizing means 11 which generates the magnetic field of the inside direction of the vessel in this aperture.
Patent JP-H03223610-A (JP)
Title: Method and apparatus for position alignment
Inventor: NISHISAKA TAKESHI
IPC: H01L21/027
Filed: 1990-01-30
Abstract: PURPOSE:To perform highly accurate position alignment even if the wavelength of exposing light and the wavelength of aligning light are remarkably different by projecting two direct light beams from two mutually separated region on a first substance to two mutually separated diffracting points on a second substance, and detecting the two obtained diffraction light beams as interference light beams. CONSTITUTION:Aligning light from a laser light source 43 is made to be two light beams through a mirror 44-1 and a prism 44-2. The light beams are projected on mask marks 41-1 and 41-2 of a mask 11, and two n-order diffraction light beams are obtained. At this time, two direct beams (0-order diffraction light beams (d)) are guided to wafer marks 42 of a wafer 12 through a projection lens 13 and inputted into two diffracting points of each wafer mark 42. The light beams are reflected and diffracted, and the two secondary diffracted light beams appear. The two secondary diffraction light beams are inputted into a detector 47-1 as interference light beams. The change in intensities of the interference light beams is detected. Thus, the detected signals having the position deviation data of the wafer 12 are obtained. In this way, the mask 11 and the wafer 12 can be positioned at high accuracy.
Patent JP-H05219472-A (JP)
Title: Video signal recording and reproducing device
Inventor: EZAKI TADASHI
IPC: H04N7/01
Filed: 1992-02-03
Abstract: PURPOSE:To prevent waveform deterioration in a code signal at dubbing. CONSTITUTION:A luminance signal from an input terminal A is fed to one fixed contact of a changeover switch 1 and fed to a code signal extract circuit 3 through a gate circuit 2, the extracted code signal is fed to a microcomputer 4, in which information relating to a form of a picture of the video signal provided in the video signal is discriminated. The discriminated information is fed to a code signal generating circuit 5, from which the code signal is generated again. The regenerated code signal is fed to the other fixed contact of the switch 1. Furthermore, a gate pulse from the generating circuit 6 is fed to the gate circuit 2 and fed to the switch 1 through a changeover switch 7 controlled by a manual operating knob B. Then the signal from the switch 1 is fed to a recording processing circuit 8, the signal subject to recording processing is fed to a magnetic head 10 through a recording amplifier 9 and recorded on a recording medium 11.
Patent JP-H02198152-A (JP)
Title: System for detecting wafer in cassette
Inventor: YANAI TOSHIAKI
IPC: H01L21/68
Filed: 1989-01-27
Abstract: PURPOSE:To improve the efficiency of handling by a method wherein a light source is moved vertically along the direction of the height of a cassette and the existence of a wafer is detected by the output of a linear optical sensor obtained in accordance with the movement of the light source. CONSTITUTION:A processor 7 moves the light source 4e of an optical detector by a motor 4a and a vertically moving mechanism 4b within the range of the height of a cassette 2. The Z-position of an attracting arm 4d is detected by counting the number of turns of the motor 4a with a built-in Z-position (vertical position) detector. The detection data obtained by a one-line image sensor 5 is stored in the address of a memory corresponding to the detected Z-position. When a wafer is taken out, the stored data are read out of the memory in accordance with the movement of the attracting arm 4d and the attracting arm 4d is positioned successively at the positions where the wafers exist to take out the wafers. With this constitution, even if there are missing wafers, or the like, the position of the wafer can be securely detected and the efficiency of a handling treatment can be improved.
Patent JP-H04255806-A (JP)
Title: Production of waveguide type interferometer circuit
Inventor: KAWACHI MASAO
IPC: G02B6/13
Filed: 1991-02-08
Abstract: PURPOSE:To provide the manufacture of the waveguide type optical interferometer circuit which remedies an optical path length difference setting error due to the fine error of a mask pattern. CONSTITUTION:An optical interferometer circuit pattern 5a consists of directional coupler patterns 1a and 2a and optical waveguide patterns 3a and 4a and is provided with a pattern deficit part 6a for optical path length difference correction by laser trimming. The pattern 5a is transferred onto a substrate 1 in a photolithography process to constitute optical waveguides 3b and 4b. The glass material of an upper clad layer 7a is charged in the deficit part 6b of the optical waveguide 4b. Optical coupling is performed at this deficit part 6a without any light loss, so the optical path length difference error is reducible by the length (g) of the deficit part 6b.
Patent JP-H11202211-A (JP)
Title: Infrared microscope
Inventor: WADA KIYOSHI
IPC: G01N21/94
Filed: 1998-01-12
Abstract: PROBLEM TO BE SOLVED: To provide an infrared microscope with which foreign matter can be analyzed with high accuracy in a comparatively short time. SOLUTION: A surface is analyzed through two coarse and detailed steps. Namely, first of all, the inside of a designated range S1 of a sample is two- dimensionally scanned and coarse measurement is performed in each fine area on the conditions of a short time and low accuracy (S2 and S3). From the data obtained by this coarse measurement, a point having maximum characteristic values (such as a gram Schmidt value and the degree of light absorption within a designated range) is detected (S4). Then, respective fine areas (S5) within a range narrower than the said designated range near this point are two-dimensionally scanned and precise measurement is performed on the conditions of a long time and high accuracy (S6).
Patent JP-S53104161-A (JP)
Title: Crystal growth method
Inventor: SADAMASA TETSUO
IPC: H01L21/208
Filed: 1977-02-23
Abstract: PURPOSE: To produce a mass of high-quality growth layers by adhering two compound semiconductor substrates to each other with the low melting-point metal consisting of the substrate. 
     COPYRIGHT: (C)1978,JPO&Japio