baber/WOPTO huggingface dataset:
Patent JP-2001148227-A (JP)
Title: Polarization device for separating two particle beams
Inventor: FROSIEN JUERGEN
IPC: G01Q60/00
Filed: 2000-09-27
Abstract: PROBLEM TO BE SOLVED: To provide a polarization device in order to polarize two particle beams. SOLUTION: A polarization device, possesses an electrostatic polarizer and a magnetic field polarizer which have a common optical axis, generate an electrostatic polarization field and a magnetic polarization field intersecting each other, and polarizes two particle beams. The two particle beams pass from the opposite side against each other, and the polarization part is equipped to include both the electrostatic polarizer and the magnetic field polarizer in order to polarize one particle beam by the angle α without chromatic aberration against the incidence angle, and polarize the other particle beam by the angle β>=3α against the incidence angle.
Patent JP-2002108100-A (JP)
Title: Developing apparatus and magnetic roller
Inventor: ISHIDA KAZUFUMI
IPC: G03G15/09
Filed: 2000-09-27
Abstract: PROBLEM TO BE SOLVED: To make toner feeding quantity to a photoreceptor adjustable. SOLUTION: This magnetic roller 12 is composed by arranging seven electric magnets 122 (122-1 to 122-7) inside a sleeve 121 forming a hollow cylinder body. Each of the electric magnet units 122 is arranged so that the shaft of the electric magnet that is incorporated therein becomes orthogonal to the shaft center of the sleeve 121 and moreover so that one of the magnetic pole comes close to the sleeve 121. The polarity of electric magnet units is periodically changed at a specified speed by means of the electric magnet driving circuit 16 and a CPU 21.
Patent JP-2002105056-A (JP)
Title: Method for purifying 2-chloro-4-(1-piperidinylmethyl) pyridine
Inventor: NISHIMURA YASUNOBU
IPC: C07D213/61
Filed: 2000-09-27
Abstract: PROBLEM TO BE SOLVED: To provide a method for purifying 2-chloro-4-(1-pyperidinylmethyl) pyridine which is useful as a raw material for a medicine, an agrochemical or the like, easily effectively on an industrial scale. SOLUTION: 2-Chloro-4-(1-pyperidinylmethyl)pyridine is converted to a salt with an organic or inorganic acid, and crystallized out. Subsequently, the salt is neutralized inversely with a basic aqueous solution to purify it to a highly pure product.
Patent JP-2001152310-A (JP)
Title: Method of improving oxidation resistance of metallic base material coated with thermal barrier coating
Inventor: THOMPSON ANTHONY MARK
IPC: C23C4/08
Filed: 2000-09-28
Abstract: PROBLEM TO BE SOLVED: To increase aluminum content in the surface of a superalloy and to prolong its oxidation life. SOLUTION: In the method of forming a protective film on a metallic base material, an aluminum-enriched mixture is applied to the base material to form a discontinuous layer of aluminum-enriched particles and then a second film is applied to the discontinuous layer of the aluminum-enriched particles. Aluminum is allowed to diffuse from the aluminum-enriched layer into the base material and a bond coat which is subsequently applied. Further, related products are also provided.
Patent JP-2002107545-A (JP)
Title: Side light type light guide plate
Inventor: YAMAMOTO TAMENOBU
IPC: G02B27/28
Filed: 2000-09-28
Abstract: PROBLEM TO BE SOLVED: To provide a light guide plate which can improve the luminance while realizing the reduction in the assembling cost of an LCD panel by eliminating any one or part of a polarizing plate, a diffusion sheet and a prism sheet. SOLUTION: A polarizing plate is insert-molded to prepare a side light type light guide plate.
Patent JP-2002104198-A (JP)
Title: Core member of steering wheel and manufacturing method therefor
Inventor: HAGIWARA YASUHISA
IPC: B62D1/04
Filed: 2000-09-28
Abstract: PROBLEM TO BE SOLVED: To provide a core member of a steering wheel in which the number of steps becomes less and which can be inexpensively manufactured. SOLUTION: The core member 1 of the steering wheel in which a grasp ring part 2 and a center boss part 4 for mounting a steering shaft are connected by a plurality of spoke parts 5 is constituted by a slice piece obtained by slice- cutting an extrusion-molded material 10 made of metal. Thereby, since a bending processing and a welding are not required, a labor that a reinforced fiber structure is used is not required, the number of steps is reduced and an expensive metal mold is not used, a manufacture cost can be reduced.
Patent JP-2002109625-A (JP)
Title: Order information processing system and information processor and vending machine used in the same
Inventor: ANDOU YASUTAKE
IPC: G06Q30/06
Filed: 2000-09-28
Abstract: PROBLEM TO BE SOLVED: To provide an order information processing system, capable of surely supplying the commodity that a user desires, even where there is not the commodity in a vending machine selling a beverage product, such as a can of juice. SOLUTION: When an order information processor receives commodity ordering information from a plurality of vending machines via a network, it sends the information to a worker in charge of the vending machine making rounds (travelling terminal unit) for replenishing the commodity to obtain a worker's answer of the information telling, when the commodity can be replenished. When the order information processor receives time information related to the replenishment of the commodity from the traveling terminal unit, it transmits the information to the vending machine, displays it on a display screen, and informs the user of the time when the user can obtain the desired commodity.
Patent JP-2002111428-A (JP)
Title: Enclosure for enclosing piezoelectric vibrator
Inventor: TAKATO TATSUJI
IPC: H03H9/02
Filed: 2000-09-28
Abstract: PROBLEM TO BE SOLVED: To solve a problem that a crack initiates in a base plate, because stress concentrates on a base plate of an insulating substrate, caused by difference of thermal expansion coefficient between a covering substrate and an insulating substrate in welding a metal covering substrate. SOLUTION: This enclosure for enclosing piezoelectric vibrator is composed with the insulating substrate 1 joined a framing substrate 1b on the upper surface of the base plate 1a and arranged a concave part 4 with rectangular parallelepiped state in order to enclose the piezoelectric vibrator 3 on the upper surface, a level difference part 5 formed on the base surface of the inner edge of the concave part 4 and mounted the edge of the piezoelectric vibrator 3 on the upper surface, a frame state metalized metal layer 9 adhered on the upper surface of the framing substrate 1b, a metal framing substrate 10 joined to the frame state metalized metal layer 9, and a metal covering substrate 2 welded to the metal framing substrate 10 in order to close the concave part 4.  In this enclosure, a base surface metalized metal layer 6 spreading between the base plate 1a and the level difference part 5 is formed in the center neighborhood in the lower side of the level difference part 5 in the base surface of the concave part 4. Thus, any crack does not initiate in the base plate 1a of the insulating substrate 1, even if thermal stress generates in welding the metal covering substrate 2.
Patent JP-2002104659-A (JP)
Title: Powder feeding device
Inventor: OGITA TETSUYA
IPC: B65G53/46
Filed: 2000-09-29
Abstract: PROBLEM TO BE SOLVED: To prevent a flow of pressure air in a power transport line in a power storage tank through a metering chamber brought into an empty state as a result of powder being discharged, in a powder feeding device to continuously and quantitatively feed the powder to air transport line by utilizing a rotary table having a plurality of metering chambers. SOLUTION: A deaerating means is communicated with the metering chamber brought into an empty state and releases pressure air flowing in air transport line and closed therein.
Patent JP-2001163674-A (JP)
Title: Silicon nitride sintered compact and method of producing the same
Inventor: ARAKI KIYOSHI
IPC: C04B35/593
Filed: 2000-09-29
Abstract: PROBLEM TO BE SOLVED: To provide a dense silicon nitride sintered compact having heat- shielding property and appropriate electroconductivity, high in strength and excellent in corrosion resistance and a method for producing the same. SOLUTION: The silicon nitride sintered compact is a polycrystalline body having silicon nitride crystal grains and grain boundary phases, contains Yb element in an amount of 2 to 30 wt.% expressed in terms of the oxide and Al element in an amount of 1 to 20 wt.% expressed in terms of the oxide and has thermal conductivity of <=40 W/mK at room temperature, resistivity of >=1×105 and <=1×1012 Ω.cm at room temperature and open porosity of <=0.5%. The method of producing the silicon nitride sintered compact comprises forming a formed body by using a raw material obtained by adding Yb element and Al element to a silicon nitride powder and sintering the formed body under a non-oxidizing atmosphere.  At this time, β-silicon nitride powder is incorporated in an amount of >=10 parts by weight in 100 parts by weight of the total silicon nitride powder and the formed body is sintered at a temperature of <=1,850 deg.C.
Patent JP-2002110208-A (JP)
Title: Fuel cell system
Inventor: URA MIKIO
IPC: C01B3/38
Filed: 2000-10-03
Abstract: PROBLEM TO BE SOLVED: To supply high purity hydrogen gas. SOLUTION: A fuel cell system provided with a reforming reactor 4 for producing reformed gas containing hydrogen from a raw material, a hydrogen separation refiner 5 for separating the hydrogen in the reformed gas introduced from the reforming reactor 4 selectively, and a hydrogen circulation flow passage 8 for joining a part or all amount of hydrogen pole side discharge gas of a fuel cell 7 with hydrogen-enriched gas on the secondary side of the hydrogen separation refiner 5 and supplying them again is provided with a control means 23 for controlling an outlet gas pressure on the primary side of the hydrogen separation refiner 5 and a supply the amount of the raw material for reforming so that a hydrogen permeation rate which is the ratio of a secondary side hydrogen-enriched gas permeation flow rate of the hydrogen separation refiner 5 to a hydrogen gas flow rate in the reformed  gas on the primary side is kept at a fixed value or less.
Patent JP-2002066498-A (JP)
Title: Cleaning method for container and member containing organic chlorine compound pcb oil
Inventor: MIHARA RYOHEI
IPC: B08B3/08
Filed: 2000-08-29
Abstract: PROBLEM TO BE SOLVED: To provide a new cleaning method which makes containers and members containing PCB, i.e., organic chlorine compounds, harmless and is simple, economical, and capable of treating in a short time. SOLUTION: An apparatus is used which comprises tank A, tank B, a vacuum pump, tank C, and an ultrasonic apparatus, an electrostatic induction apparatus, and an electric heater installed at the bottom of tank A. An object to be treated, i.e., a container or member containing a PCB oil, is opened and is put into tank A. While the object is being heated at 60-80 deg.C by the electric heater, the PCB oil is sucked from tank A into tank B with the vacuum pump, and the valve of tank B is opened to send the oil into tank C and simultaneously a carbon dioxide gas is injected into tank A. Then, an ultrasonic wave is applied to clean the object.
Patent JP-2002114094-A (JP)
Title: Room mirror
Inventor: ICHIKAWA TAKASHIGE
IPC: B60R1/04
Filed: 2000-10-05
Abstract: PROBLEM TO BE SOLVED: To provide a room mirror for a vehicle provided with a lighting means capable of lighting directions other than vehicle downward. SOLUTION: A joint 518 is connected to a mirror main body 502 rotatably around a shaft in a width direction of the mirror main body 502, and a lamp house 514 is connected to the joint 518 rotatably around a shaft in a longitudinal direction of the mirror main body 502. The joint 518 is rotated against the mirror main body 502 to move the lamp house 514 to an outer part from an end part of the mirror main body 502 in the longitudinal direction. Consequently, the lamp house 514 can be rotated against the joint 518 without interference with the mirror main body 502 to allow changing lighting direction of an electric bulb in the lamp house 514 by rotation.
Patent JP-2002113269-A (JP)
Title: Sound reflector
Inventor: MICHITSU KEIICHI
IPC: A63J5/04
Filed: 2000-10-06
Abstract: PROBLEM TO BE SOLVED: To provide a sound reflector that is a simple mechanism and can be compactly stored. SOLUTION: In a sound reflector having a ceiling reflective plate 1, a front reflective plate 2 and a pair of side reflective plates 3 and 3, and capable of storing them in a folded state, the ceiling reflective plate 1 is raisably held on the back wall of a stage, the front reflective plate 2 is droopingly held on the ceiling reflective plate 1 and the side reflective plates 3 and 3 are forwardly and backwardly rotatably held on the front reflective plate 2. When the ceiling reflective plate 1 is raised up, the front reflective plate 2 and the side reflective plates 3 and 3 are stored integrally on the back wall side of the stage S.
Patent JP-2002146434-A (JP)
Title: Heat treating method
Inventor: NAKAMURA HIDEKAZU
IPC: C21D1/18
Filed: 2000-10-06
Abstract: PROBLEM TO BE SOLVED: To provide a heat treating method by which quenching strain of steel parts can be reduced in quenching the steel parts by removing the directionality of cooling power or breaking a step of vapor film simultaneously at every part of the material to be treated. SOLUTION: In this heat treating method, ultrasonic-wave radiation is carried out from the opposite direction to the flow direction of quenching oil due to agitation or ultrasonic-wave radiation is started when the material to be treated is thrown into a quenching oil bath to break the step of vapor film at the surface of the material to be treated and the ultrasonic-wave radiation is stopped at the point of time when the temperature of the surface of the material to be treated drops to a value as low as a shifting temperature to a boiling step; or ultrasonic-wave irradiation is carried out alternately from two or more directions opposite to each other.
Patent JP-2002114842-A (JP)
Title: Polycarbonate resin and optical part composed by including the same
Inventor: ONO TAKASHI
IPC: G02B1/04
Filed: 2000-10-06
Abstract: PROBLEM TO BE SOLVED: To obtain a polycarbonate resin having (1) high refractive properties, (2) heat resistance and (3) transparency in combination and capable of controlling (5) the refractive index (optionally regulating the refractive index within the range of 1.60-1.65). SOLUTION: This polycarbonate resin has recurring units represented by chemical formulae (1) to (3) (R1 to R6 are each hydrogen atom, an alkyl group or a halogen atom; a, b, c, d, e and f are each the number of substituent groups and are each 0-4; and R7 and R8 are each hydrogen atom, an alkyl group, an alkyl group containing a halogen atom, an aromatic group or a halogen atom) and has a molar ratio of the recurring units represented by the chemical formulae (1) to (3) in the molecule represented by numerical formulae (A) to (B) 0.1<=M1/(M1+M2+M3)<=0.7 (A) and 0<M3/(M1+M2+M3)<=0.7 (B) [in the numerical formulae (A) and (B), M1 to M3 are each the number of the respective recurring units represented by the chemical formulae (1) to (3) in the molecule].
Patent JP-2002118964-A (JP)
Title: Four-wire active filter and power supply method for three-phase
Inventor: MATSUDA YOSHIAKI
IPC: H02M7/12
Filed: 2000-10-10
Abstract: PROBLEM TO BE SOLVED: To reduce third harmonic components applied to a neutral wire. SOLUTION: When a load 9 is connected between respective phases of a three-phase AC voltage source 4 and a neutral wire 19 and a power is supplied from the respective phases, currents similar to a 3rd harmonic component of a current consumed by the load 9 are generated and supplied to the respective phases at the positions near the load 9. The 3rd harmonic components do not flow through the long parts of the 4 wires between the 3-phase AC voltage source 4 and the load 9.
Patent JP-2002116133-A (JP)
Title: Scattering particle diameter distribution measuring apparatus
Inventor: KUROZUMI TAKUJI
IPC: G01N15/02
Filed: 2000-10-11
Abstract: PROBLEM TO BE SOLVED: To provide a scattering particle diameter distribution measuring apparatus capable of maintaining an optimal condition for measurement without requiring a measuring person to make troublesome adjustments of an optical axis for every measurement. SOLUTION: The scattering particle diameter distribution measuring apparatus applying light 2 from a light source 1 to a sample 8 and detecting the scattered light using a photodetector to measure a distribution of particle diameters in the sample based on a pattern of the intensity of the scattered light obtained, is provided with automatic adjustment mechanisms 15 and 19 for aligning the center position of the light source 1 with the center position of the photodetector at all times.
Patent JP-2001172349-A (JP)
Title: Process for preparing polyurethane foam
Inventor: WEBER HANS
IPC: C08G18/48
Filed: 2000-10-11
Abstract: PROBLEM TO BE SOLVED: To provide a process for preparing a polyurethane foam, which can exclude the concurrent use of a blowing agent of a fluorocarbon and/or a chlorocarbon and a conventional amine catalyst. SOLUTION: In odder to prepare a polyurethane foam, at least one carbamate represented by formula I: (wherein R1 and R2 are the same or different alkyl groups; R3 and R4 are the same or different groups and are each hydrogen or an alkyl group; R5 is hydrogen, an alkanol group, a polyether monool group or a group represented by X; and (n) is 2 or 3) is used as a catalyst and at the same time as a blowing agent.
Patent JP-2002122104-A (JP)
Title: Hydraulic servo valve
Inventor: TAKAHASHI YOSHIMIZU
IPC: F15B13/043
Filed: 2000-10-12
Abstract: PROBLEM TO BE SOLVED: To provide a feedback type hydraulic servo valve capable of discharging liquid within a cylinder body of a displacement sensor part, discharging air remaining at the depth of the cylinder body in an assembling to the outside and preventing generation of rust at the inside of the cylinder body. SOLUTION: In the feedback system hydraulic servo valve for controlling the position of a spool 40 by feedbacking a detecting signal detected in the displacement sensor part 60, the displacement sensor part 60 is constituted so as to have the cylinder body 62 communicated with the inside of a hydraulic fluid inflow chamber 11L formed at an end part of a sleeve 20 at the inside, to store a core 62 connected via a connecting member 65 at an end part of the spool 40 within the cylinder body 62 and to arrange a coil 63 for detecting displacement of the core 64 at the outside of the cylinder body 62. A hollow hole 65b communicated with the cylinder body 62 is formed in the connecting member 65, a flow passage for introducing high pressure hydraulic fluid into the end part of the spool 40 at the time of non-control of the spool 40 and maximum displacement is formed and hydraulic fluid introduced into the flow passage is made to flow to the displacement sensor 60 side through the hollow hole 65b of the connecting member 65.
Patent JP-2001192346-A (JP)
Title: Method for producing perfluoroalkadiene
Inventor: KO GEN
IPC: C07B61/00
Filed: 2000-10-13
Abstract: PROBLEM TO BE SOLVED: To provide a method safe and suitable for industrial practice for efficiently producing a perfluoroalkadiene. SOLUTION: This method for producing a perfluoroalkadiene comprises the following process: an α,ω-dihalogenoperfluoroalkane of the formula: XCF2 CF2-(CF2CF2)a[CF2CF(CF3)]b-CF2-CF2X wherein, (a) and b are each an integer of 0-2; and X is I or Br, is heated or subjected to boiling reflux in an organic solvent together with at least one metal selected from Mg, Zn, Cd, Al, Cu, Na and Li and 0.05-0.5 equivalent, based on the α,ω-dihalogenoperfluoroalkane, of an alkyl halide of the formula: RX (X is Cl, Br or I; and R is a staright- chain, branched or cyclic alkyl or aryl group).
Patent JP-2002123275-A (JP)
Title: Contents distribution system
Inventor: FUKUDA KAZUTAKA
IPC: G06Q20/00
Filed: 2000-10-16
Abstract: PROBLEM TO BE SOLVED: To provide a contents distribution system which does not make a user feel wait time and has high convenience. SOLUTION: A radio distribution terminal 4 to distribute contents data to a car audio system 5 connected by radio communication, and an order terminal 3 which is connected by communication with the radio distribution terminal 4 and receives a contents distribution instruction are installed in different positions, respectively. The contents distribution instruction to the order terminal 3 is inputted when a user utilizes a store, and the distribution processing of the contents in the radio distribution terminal 4 is performed during the user utilizes the store.
Patent JP-2002120312-A (JP)
Title: Slant laminated body
Inventor: TANABE MASAHIRO
IPC: B29C48/32
Filed: 2000-10-16
Abstract: PROBLEM TO BE SOLVED: To provide a laminated body wherein the tearing strength or the bending strength are increased, and a positional slip of the resin layers on the front and rear sides is less, and which is used for a pressure sensitive bonding, conductivity, defogging and gas permeation or the like. SOLUTION: At least one cross section of a resin laminated body comprising at least two layers is laminated into a V-shape for this slant laminated body. Thus, the tearing strength and the bending strength are increased, and in addition, a positional slip of the resin layers on the front and rear sides becomes less. Therefore, the laminated body is suitable for a pressure-sensitive bonding, conductivity, defogging and gas permeation or the like.
Patent JP-2002128328-A (JP)
Title: Cassette type printer
Inventor: IIDA YOSHIKI
IPC: B41J15/04
Filed: 2000-10-18
Abstract: PROBLEM TO BE SOLVED: To facilitate exchanging work of a paper roll and maintenance work of each component, and to improve operability of operations required for the works. SOLUTION: A cassette 203 having paper holding part 206 and a platen 207 is made drawable out of a body case 201, a printing head 204 facing to the platen 207 is jumped up while being drawn in response to the drawing operation of the cassette 203, and the printing head 204 is stored in response to a pressing operation of the cassette 203. Such operations of the printing head 204 are performed with respect to the drawing and pressing operations of the cassette 203 to a halfway part. Thus, setting work or the like of the paper roll for a paper roll holding part 206 is facilitated, and its operability is improved. When the printing head 204 is drawn out and jumped up, a cutter disposed at its tip moves to an evacuating position to be covered with a cutter cover 231 to secure safety.
Patent JP-2002089031-A (JP)
Title: Vibrating trowel
Inventor: TSUNODA YONEO
IPC: E04F21/16
Filed: 2000-09-12
Abstract: PROBLEM TO BE SOLVED: To facilitate finish of a cement mortar surface by providing a vibration amount generation switching function in an upper part of a vibrating trowel and constituting a power switch in a leg column. SOLUTION: A vibration amount generation switching device is provided on an upper face of a handle part where vibrating the trowel is gripped and in a part where the thumb is positioned and the power switch is attached to an index finger part positioned on a side face of the leg column. When cement mortar is made uniform using the vibrating trowel and its surface is smoothed, vibration amount can be switched in several steps by the operation of the thumb without changing a hand gripping the vibrating trowel, and power supply can be turned on and off by the operation of the index finger to improve surface finish by a small force and improve the workability by multi-stage operation of vibration amount.