baber/WOPTO huggingface dataset:
Patent JP-2002121159-A (JP)
Title: Method for producing desulfurized naphthalene compounds
Inventor: SENZAKI TOSHIHIDE
IPC: C07C15/24
Filed: 2000-10-12
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a desulfurized naphthalene compound, by which naphthalene or an alkylnaphthalene having an extremely low sulfur content and enabling the reduction in the content of sulfur to <=1 ppm can be obtained. SOLUTION: This method for producing the naphthalene compound, characterized by treating the naphthalene compound (one or more compounds selected from the naphthalene and the alkylnaphthalenes) containing slightly distillable sulfur compounds as impurities with hydrogen peroxide in the presence of a carboxylic acid such as formic acid or acetic acid, thus reacting the sulfur compounds with the hydrogen peroxide to produce the heavy products, and subjecting the reaction products to a vacuum distillation to distil away the sulfur-free naphthalene compounds, while the temperature of the bottom portion or a reboiler does not exceed 250 deg.C.
Patent JP-2001144519-A (JP)
Title: Cable reel, and electromagnetic wave communication device equipped with such reel
Inventor: BERTHAUD PHILIPPE
IPC: H01Q1/24
Filed: 2000-10-13
Abstract: PROBLEM TO BE SOLVED: To provide a means that warrants continuity of electric signals at a low cost with excellent operating reliability. SOLUTION: In a cable reel of a form that is provided with a 1st component 38 turnable around a axial line Y with respect to a 2nd component 40 and with at least a 1st cable 24 fixed at least one part of the 1st component 38, the 1st cable 24 is fixed at least at one part of the 2nd component 40 and the 1st cable is wound in spiral around the axial line Y.
Patent JP-2002119833-A (JP)
Title: Method for washing porous hollow fiber membrane manufactured by dry wet spinning method
Inventor: URAKAWA TETSUYA
IPC: B01D69/08
Filed: 2000-10-16
Abstract: PROBLEM TO BE SOLVED: To provide a method for washing a hollow polysulfone fiber membrane manufactured by a dry wet spinning method and excellent in water permeability and eliminating the generation of malodorous taste at the permeation of city water membrane manufactured. SOLUTION: The porous polysulfone hollow fiber membrane prepared by the dry wet spinning method by adding high-molecular weight polyvinyl pyrrolidone having a molecular weight of not less than about 1,000,000 is washed with a hypochlorite aqueous solution.
Patent JP-2002121318-A (JP)
Title: Method and apparatus for chemical recycling of waste plastic
Inventor: UEMICHI YOSHIO
IPC: B01D5/00
Filed: 2000-10-17
Abstract: PROBLEM TO BE SOLVED: To effectively recover an olefin gas, hydrogen, and BTX from a waste plastic. SOLUTION: This method comprises a pretreatment step (I) for separating a waste plastic into a polyolefin plastic and other plastics; a thermal decomposition step (II) for thermally decomposing the polyolefin plastic; a catalytic decomposition step (III) wherein 2-4C olefins are formed from a thermal decomposition gas 5 (generated at step II) by the action of a boron-containing silicate catalyst 7 of a first catalytic decomposition section 8 and BTX and hydrogen are formed by the action of a gallium-containing silicate catalyst 9 of a second catalytic decomposition section 10; a high-boiling-point component separation step (IV) for separating a high-boiling-point component from a gas 13 coming out of step III;  and a gas-liquid separation step (V) wherein the gas 13 freed of the high-boiling-point component is cooled to be separated into a gas phase 16 mainly comprising a 2-4C olefin gas and hydrogen and a liquid phase 17 mainly comprising BTX.
Patent JP-2002124198-A (JP)
Title: Electron gun and its driving method as well as display device
Inventor: YAMADA YOSHINORI
IPC: G09G1/00
Filed: 2000-10-18
Abstract: PROBLEM TO BE SOLVED: To provide an electron gun which can well control movement of a cathode base body accompanied by thermal expansion of a sleeve, without elongating its total length or complicating parts manufacturing. SOLUTION: The electron gun comprises an inner sleeve 15 which supports a cathode base body 13 at the tip part and contains a heater 17 for heating the cathode base body 13, an outer sleeve 16 containing the inner sleeve 15 inside and formed of a metal material with larger thermal expansion coefficient than that of the inner sleeve 15, an insulation member 19 having a through-hole 20 insertion-coupling with the tip side of the outer sleeve 16 with a given interval, and a sleeve holder 18 fixing the outer sleeve 16 to the insulation member 19. The inner sleeve 15 and the outer sleeve 16 are bonded together at a rear end part of the outer sleeve 16 and at same time, the outer sleeve 16 and the sleeve holder 18 are bonded together near a tip part of the outer sleeve.
Patent JP-2002088213-A (JP)
Title: Water-soluble resin composition
Inventor: OHARA YASUNARI
IPC: C08L45/00
Filed: 2000-09-12
Abstract: PROBLEM TO BE SOLVED: To provide a water-soluble resin composition which is useful as an organic binder, i.e., an indispensable component for a paint, an adhesive, and a coating agent, is environmentally friendly, and is excellent in adhesiveness and water resistance. SOLUTION: This resin composition is prepared by compounding polyvinyl alcohol with a terpene-maleic anhydride copolymer resin.
Patent JP-2002119716-A (JP)
Title: Game machine
Inventor: UGAWA SHOHACHI
IPC: A63F7/02
Filed: 2000-10-19
Abstract: PROBLEM TO BE SOLVED: To provide a game machine capable of paying game balls off by use of passages without jams, even if jamming of game balls occurs in either of plural passages for payoff of the game balls. SOLUTION: A game ball supply passage includes two guide rails 205a and 205b serving as inclined portions which are inclined so that game balls can flow down; one guide rail 220 serving as a common passage into which the two guide rails 205a and 205b are combined; a prize ball passage 235 branching from the one guide rail 220 for guiding game balls to a prize ball payoff mechanism part of a ball payoff device 240; and a dispensed ball passage 236 for guiding game balls to a dispensed game ball payoff mechanism part of the ball payoff device 240.
Patent JP-2002136020-A (JP)
Title: Iron core of stator coated with resin-made insulating layer for generator for internal combustion engine
Inventor: TAKAGI SHIGERU
IPC: H02K1/18
Filed: 2000-10-19
Abstract: PROBLEM TO BE SOLVED: To obtain an iron core of a stator coated with a resin-made insulating layer for a generator of an internal-combustion engine capable of enhancing the joint of a magnetic metal plate at each pole. SOLUTION: The iron core of a stator is formed by laminating a plurality of magnetic metal plates 1 and comprises a laminated iron core 5 formed by protruding a plurality of poles 3 at its edge and by jointing the magnetic metal sheets each other 1 mating the necessary pole 3 thereof at a welding part 4, and a resin-made insulating layer 6 applied to a wound part of a generating coil at least at the external periphery of each pole 3. At the tip of each pole 3, retreating parts 7 that retreat from a reference outside diameter are formed at both sides of the direction of the periphery excluding the central part of the pole, and each retreating part 7 is coated with the resin-made insulating layer 6.
Patent JP-2002085388-A (JP)
Title: Apparatus for one-man o-ring test
Inventor: SHIMOTSUURA YASUHIRO
IPC: A61B10/00
Filed: 2000-09-12
Abstract: PROBLEM TO BE SOLVED: To provide an objective rating of the rate of change in finger muscle force on several levels by objectively rating at different levels a one-man O-ring test which is difficult to perform with precision and to enable a rating of the test results on about ten levels although the number of levels usable for such a rating varies depending on differences among individuals. SOLUTION: In this method, an O-ring is formed in such an object as a forceps by two fingers of one hand, based on the principle of the lever, and many dents to which fingers are applied are formed on the opposite side across a fulcrum; based on the principal of the lever, the open part of the O-ring is checked as the fingers are changed. Use of this apparatus allows one person to determine whether or not he has any abnormality through the O-ring test and to check resonance phenomenon and conduct by himself a test for the adaptability to drugs.
Patent JP-2002125872-A (JP)
Title: Bathtub covers and hook for suspending the same
Inventor: MAEDA YOICHI
IPC: A47K3/00
Filed: 2000-10-24
Abstract: PROBLEM TO BE SOLVED: To provide bathtub covers and a hook for suspending the same, in which each flat cover simplex hung on a wall surface of a bathroom is made stable, and which obviate a danger of falling down of the cover simplex due to the slipping of a hanging annular portion on one side edge portion of the cover simplex from the hook. SOLUTION: Shock absorbing projections 5, each of which is made into a height substantially the same as that of a grip 2, are formed at a plurality of points on the surface of each cover simplex 1, and the shock absorbing projections 5 prevent the rocking between the cover simplexes 1 hung on a hook 4. The top surface of the hook 4 is provided with a slant surface in which a tip portion 10 is arranged heigher than the side of a wall surface 6. The upper surface of the hook 4 is formed with concave grooves 12, to which each hanging annular portion 3 can be engaged.
Patent JP-2001165514-A (JP)
Title: Heat pump device especially with cooling function
Inventor: RAYNAUD JEAN FRANCOIS
IPC: F25B29/00
Filed: 2000-10-25
Abstract: PROBLEM TO BE SOLVED: To provide a heat pump device using water as thermodynamic fluid and having a more compact configuration than before with improved efficiency. SOLUTION: In a cooling cycle, an evaporation region 21 is used before compression, a condensation region 26 is used after compression, and thermodynamic fluid used in the cycle and fluid used in low-temperature heat exchange and high-temperature heat exchange cycle is water. A heat pump device is operated based on dynamic compression at two independent compression mechanism parts 1 and 2 that are connected each other by at least one region for desuper heating while being sealed into an adiabatic container 13 that confines an extremely low pressure and is airtightly sealed, and vanes 11 and 12 of the two compression mechanism parts are directly mounted to both the sides of the shaft of a common closed-type variable speed electric motor being arranged inside the container 13 between the compression mechanism parts 1 and 2.
Patent JP-2002129813-A (JP)
Title: Door lock device for automobile
Inventor: FUKUNAGA KATSUTOSHI
IPC: E05B77/34
Filed: 2000-10-26
Abstract: PROBLEM TO BE SOLVED: To provide a structure capable of precisely preventing penetration of water to a connection portion between the connection part of an operation lever and the connection part of an operating means in a door lock device for automobile and executing it at a low cost. SOLUTION: In this door lock device for automobile, the connection part of the operation lever 24 arranged within a resin-made housing 10 through an opening S formed in the housing 10 is exposed, and the connection part of the operation means (locking cable) 63 is connected to the connection part of the operation lever 24. A cover part 11d capable of opening and closing the opening S of the housing 10 is integrally formed on a housing body 11.
Patent JP-2002128408-A (JP)
Title: Method for inspection operation in elevator system after occurrence of earthquake, and obstacle detector
Inventor: SHIOZAKI HIDEKI
IPC: B66B5/02
Filed: 2000-10-27
Abstract: PROBLEM TO BE SOLVED: To provide an elevator system inspection operation method and an obstacle removing device after occurrence of an earthquake. SOLUTION: In this inspection operation method, an obstacle detector for detecting an obstacle existing in the upward direction is provided on the ceiling side of a car of an elevator, an obstacle detector for detecting an obstacle existing in front in the downward direction is provided on the floor side of the elevator car, respectively preliminarily. The elevator car is inspection- operated at a very low speed after the occurrence of the earthquake, the operation is stopped when the obstacle is detected by anyone of the detectors, and an normal operation or an emergency operation is conducted when on obstacle is detected.
Patent JP-2001196218-A (JP)
Title: Ferrite molded object and its manufacturing method
Inventor: KITAGAWA KOJI
IPC: C04B35/622
Filed: 2000-10-30
Abstract: PROBLEM TO BE SOLVED: To provide a ferrite molded object which has sufficient ductility and does not have air gaps between ferrite particles. SOLUTION: In a manufacturing method of the ferrite molded object, mixture of magnetic materials containing iron oxide is preliminarily sintered and smashed. Obtained ferrite powder is granulated and subjected to hydrostatic pressing treatment, and molding and sinterning are performed. In the method, after metal powder is mixed into the granulated ferrite particles, hydrostatic pressing treatment is performed under a super high pressure, and molding and sintering are performed. This molded object has a so-called chilled texture shown by figure 1 wherein air gaps between ferrite particles 1 are filled with metal 2. Since residual pores do not exsist at all, moisture is not absorbed and stable characteristic is exhibited. Since the filling metal 2 is excellent in ductility, the molded object has sufficient ductility.
Patent JP-2001162507-A (JP)
Title: Motor-operated hand-held grinding machine
Inventor: WUENSCH STEFFEN
IPC: B24B23/03
Filed: 2000-10-30
Abstract: PROBLEM TO BE SOLVED: To ensure a changeover of a hand-held grinding machine between a free-rotation condition and a forced-drive condition without risk of damage thereto even during an operation thereof, and ensure a reduced structure height thereof. SOLUTION: A first rolling contact surface 28 is rotatable on an eccentric axis 19 along with a grinding disk unit 15, and a second rolling contact surface 30 is associated with the first rolling contact surface. The center axis of the second rolling contact surface extends coaxially with a center axis 17 of a working spindle 13. The first rolling contact surface 28 is rollable along the second rolling contact surface 30. The second rolling contact surface 30 is supported for rotation on its center axis. In association with the second rolling contact surface 30, a brake device 35 is arranged so as to selectively check and release the rotation of the second rolling contact surface 30.
Patent JP-2002137773-A (JP)
Title: Seat fixing tool for auxiliary child seat
Inventor: SUZUKI KIYOJI
IPC: B62J1/16
Filed: 2000-10-31
Abstract: PROBLEM TO BE SOLVED: To provide a seat fixing tool for an auxiliary child seat enabling safe folding of the seat while preventing the seat from opening while riding a bicycle. SOLUTION: The seat fixing tool 1 for the auxiliary child seat includes a handle 2a, handle support 2 and a seat fixing part 3. The handle support 2 and the seat fixing part 3 are rotatably connected to each other by connectors 5, so that the handle support 2 assumes either an open condition in which it abuts against one end of the seat fixing part 3 or a folded condition in which it abuts against the side face of the seat fixing part 3 at the other end. The connector 5 includes a rotating part with through-holes bored therein for being rotatably connected together by a rotating pin 8 while clamping the pipe of the handle support 2, and a frame fixing part for fixing the frame of the seat fixing part 3 in place.
Patent JP-2001220145-A (JP)
Title: Method for manufacturing lithium manganese oxide powder for lithium secondary battery
Inventor: I SUPU HAN
IPC: H01M4/505
Filed: 2000-10-31
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing lithium secondary battery positive electrode powder by which a battery with large charge and discharge capacity and long life even under large current condition can be manufactured because some crystallinity of lithium manganese oxide powder can be obtained in a spontaneous combustion process and consequently heat treatment of shorter time can endow the powder with excellent crystallinity, necessary heat treatment time is considerably shorter than that in a conventional fixed bed method and thereby processing cost is very low and further obtained particles are minute. SOLUTION: The method for manufacturing LiMn2O4 powder for positive electrode material of the lithium secondary battery is distinguished by that oxide or carbonate is used as the raw material of the positive electrode material, a solution is dried at a high temperature of >=150 deg.C and then residue is subjected to spontaneous combustion treatment and then to calcinations in a reaction furnace in a short time.
Patent JP-2002141092-A (JP)
Title: Control method of fuel cell device
Inventor: KATO KENJI
IPC: H01M8/10
Filed: 2000-11-01
Abstract: PROBLEM TO BE SOLVED: To enable charging a battery properly by properly controlling a distributing condition of current flowing in a fuel cell and a battery without increasing battery capacity, and also to drive the fuel cell and the battery by maintaining output distribution of the fuel cell and the battery in a given condition, so as to keep efficiency of the fuel cell device as a whole as high as possible. SOLUTION: Current supplied to a load from a fuel cell 11 of a fuel cell device equipped with the fuel cell 11 having both terminals connected to the load, and a secondary cell circuit connected in parallel to the fuel cell 11 including a booster circuit, a charging circuit and a secondary cell, is controlled so as to get efficiency of the fuel cell 11 as a system as high as possible.
Patent JP-2002139395-A (JP)
Title: Water-leakage position detection device and method therefor
Inventor: ARAI TAKESHI
IPC: G01M3/16
Filed: 2000-11-01
Abstract: PROBLEM TO BE SOLVED: To improve accuracy of detection of a water-leakage position through correction by extracting only the current flowing in leaked water and grasp the characteristics of current flowing through a protective layer. SOLUTION: A sealing work construction is constituted by an insulating sealing work 2, provided on a depression of the ground and the protective layer 3 through which the current is carried provided on the sealing work. A planar electrode 12 is disposed on a front surface or a reverse surface of the sealing work, and plural point electrodes are disposed on a side opposite to the planar electrode. Circular electrodes 13a and 13b for surrounding around the plural point electrodes or the planar electrode are located near a part where the protective layer is brought into contact with the ground. One of the point electrodes is selected from among the plural point electrodes and is connected with one end of a power supply, and all of the point electrodes, except the selected point electrode, the planar electrode and the circular electrode are connected with the other end of the power supply. A current, flowing between the selected point electrode, the planar electrode and the circular electrode, is measured, and a current component flowing through the protective layer is corrected from the measured current value of the planar electrode with the usage of the measured current value of the circular electrode. The water-leakage position of the sealing work construction is detected from the corrected current value and from the position of the selected point electrode.
Patent JP-2002141205-A (JP)
Title: Thermistor
Inventor: MIHARA KENJIRO
IPC: H01C7/04
Filed: 2000-11-02
Abstract: PROBLEM TO BE SOLVED: To obtain a thermistor which is reduced in size and height, used as a chip-type electronic component, hardly changes in resistance, even when a large current is applied repeatedly to it, and high enough in reliability to be suitably used as a rush-current suppressing device. SOLUTION: Inner electrodes 3 to 6 are formed in thermistor element 2, and resistive layers 11 to 15 are laminated between the opposed inner electrode layers 3 to 6, so as to come into contact with the counterposed surfaces of the inner electrodes 3 to 6 at a part, where the inner electrodes 3 to 6 are laminated for the formation of a thermistor 1.
Patent JP-2002148488-A (JP)
Title: Method for manufacturing semiconductor laser module, semiconductor laser module and raman amplifier
Inventor: IRIE YUICHIRO
IPC: H01S5/022
Filed: 2000-11-06
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a semiconductor laser module which outputs a laser beam having excellent wavelength stability, the semiconductor laser module and a Roman amplifier. SOLUTION: First, an optical system consisting of a first lens 6 and a second lens 7 is positioned in the front side of the semiconductor laser element 1 so that optical coupling efficiency of the laser beam exited from the front side end part of the semiconductor laser element 1 to a second optical fiber 3 is maximized. Optical coupling efficiency of the laser beam to the second optical fiber 3 is measured by using, for example, an optical power meter 9 connected to the end part of the second optical fiber 3. Next, a first optical fiber 2 having a diffraction grating K is positioned in the rear side of the semiconductor laser element 1 so that an output of the laser beam exited from the front side end part of the semiconductor laser element 1 is maximized. The output of the laser beam is measured by using the optical power meter 9 like in the case of optical coupling efficiency.
Patent JP-2002150092-A (JP)
Title: Server for system for supporting attendance and coming to store, system for supporting attendance and coming to store, and recording medium
Inventor: FUKUDA HIROFUMI
IPC: G06Q30/06
Filed: 2000-11-07
Abstract: PROBLEM TO BE SOLVED: To provide an attendance and coming to store support system for promoting re-attendance and re-coming to stores of members. SOLUTION: A server 3 manages a member information data base 13 and a contents data base 15, and renews these data bases on the basis of the last member information 21 and the contents raw material 23 provided from a computer 5 of a customer 19 through a network 7 when necessary. The server 3 selects the information matching with each member from the contents data base 15 on the basis of the attendance and coming to store past record stored in the member information data base 13, and forms a home page 27 for the only each member on a home page 25.
Patent JP-2002147712-A (JP)
Title: Catalytic combustion heater
Inventor: YAMADA TOMOJI
IPC: F23C13/00
Filed: 2000-11-07
Abstract: PROBLEM TO BE SOLVED: To improve the heat exchanger efficiency of a catalytic combustion heater. SOLUTION: The catalytic combustion heater comprises fins 17B in boiling portions 31B for zoning the same into a plurality of small channels arranged perpendicularly to the surface thereof in Fig., which boiling portions are positioned in the midstream of a fluid-to-be-heated channel 3 contacting the intensively heated midstream portion 21B of a combustion gas channel 2 to boil the fluid to be heated.  The fins 17B comprise through holes 170B for allowing adjacent small channels to communicate to each other, reducing pressure difference among the small channels to stabilize the surface of fluid and allowing bubbles expanding by bumping to escape to adjacent small channels so as to prevent the wall surfaces of the channels from being covered by gas layers poor in heat transfer efficiency, thereby allowing heat concentrated in the boiling portions 31B to be effectively transferred to the fluid to be heated.