baber/WOPTO huggingface dataset:
Patent JP-2001235203-A (JP)
Title: Ventilation apparatus for house
Inventor: YOKOYAMA KATSUMI
IPC: F24F7/10
Filed: 2000-02-22
Abstract: PROBLEM TO BE SOLVED: To provide a ventilation apparatus for a house, which is improved in its appearance. SOLUTION: A ventilation unit 3 is provided in a ventilation apparatus 1 for a house. The unit 3 extends vertically from a floor to a ceiling between wall panels P and P in the same wall surface to suck air under the floor and blows it out to a living room space 2. The ventilation unit 3 comprises a box- like unit main body 4, which has an opening O in the front facing to a living room space 2 and a fan Fu in the inside, and a decorative cover 5 mounted to the unit main body 4 for blowing air to the living room space 2. A sidewall material 4b of the main body 4 comprises a main wall part 43 placed in the thickness of the wall panel P and a decorative edge material 44 adhered to the main wall part 43 and projecting from the front of the wall panel P to the living room space 2.
Patent JP-2001232934-A (JP)
Title: Ink jet recording medium, use thereof, and manufacturing method therefor
Inventor: NAKAMURA KASUMI
IPC: B41M5/00
Filed: 2000-02-23
Abstract: PROBLEM TO BE SOLVED: To provide an ink jet recording medium, with which a high density and high picture quality ink jet recording is possible, and an ink accepting layer especially excellent in transparency and water resistance of an image can be formed. SOLUTION: In the ink jet recording medium, in which at least one layer of ink accepting layers is provided on a support, the ink accepting layer includes fine alumina particles manufactured by a gaseous phase method and a hydrophilic polymer so as to realize the high density, high picture quality, high transparency and high water resistance.
Patent JP-2001242418-A (JP)
Title: Polarized wave non-dependence optical isolator
Inventor: IKARI MASANORI
IPC: G02B27/28
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To provide an optical isolator which is small in polarized wave dispersion, without having to provide a special polarized wave dispersion reduction means, such as a compensator. SOLUTION: The polarized wave non-dependence optical isolator disposes a Faraday rotor 4 between two double refractivity wedge plates 1 and 2, whose optical incidence and emission surfaces are an inclined plane and a non-inclined plane, the inclined planes 1a and 2a of the double refraction wedge plates 1 and 2 are disposed so as to turn to the each opposite side of the Faraday rotation element 4, and is disposed so as to be parallel together. The material of the double refractivity wedge plates 1 and 2 is lithium niobate crystal.  A length L of the side, where the non-inclined planes 1b and 2b of the double refractivity wedge plates 1 and 2 face the Faraday rotor element 4, maximum thickness T, and desirably the inclined angle θ have the relations 600 μm<L<2,500 μm, T>=300 μm, θ>=6.6 deg., L>120.6θ-1.029×(T-555)-4183, and the relations 600 μm<L<2,500 μm, T>=300 μm, θ>=6.6 deg., L>120.6θ-1.029×(T-150)-939.
Patent JP-2001238461-A (JP)
Title: Three-level inverter device
Inventor: IKIMI TAKASHI
IPC: H02M7/527
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To suppress the resonance current of the DC bus of a three-level inverter device, and to improve conversion efficiency and operation stability. SOLUTION: This inverter device is equipped with a converter 1, that converts AC supply power into DC power, an inverter 2 that converts converted DC power into an AC power, and a DC link 3 that connects the converter to the inverter. The DC link 3 has two smoothing capacitors 4a and 4b that are connected between positive-electrode and negative-electrode potential buses P and N in series and store the DC power obtained by the capacitor 1, and two smoothing capacitors 4c and 4d that are connected between the positive- electrode and negative-electrode potential buses P and N in series and store the DC power that is supplied to the inverter 2. In the positive-electrode and negative-electrode potential buses, reactors 7a and 7b for resonance suppression are provided, respectively. In an intermediate potential bus, a resistor 6 for resonance suppression is provided.
Patent JP-2001239500-A (JP)
Title: Positioning device and method for positioning
Inventor: HIGUCHI TOSHIRO
IPC: G01N1/00
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To solve a problem that an advanced technical skill is required to do a delicate work on a small matter such as a cell because conventional driving method of a holding pipette or an injection pipette is based on the reduced movements of hands of an operator. SOLUTION: An electric field is acted to a positioning object, and the object is displaced by the electric field. Therefore, a turning angle of an egg cell can be positioned without using a holding pipette and an injection pipette for an operation such as an egg cell nucleus removal operation. Further, a cell fusion can be performed without moving the cell to a cell fusion device after the operation by generating a predetermined electric vibrating field at a generated electric field.
Patent JP-2001234876-A (JP)
Title: Scroll compressor
Inventor: OSANAWA TAKASHI
IPC: F04B39/00
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To attain the stable turning motion of a scroll by forming the contactless structure of the scroll lap of a turning scroll and the scroll lap of a fixed scroll even with thermal expansion during operation, and reducing load to each component caused by the centrifugal force of the turning scroll and gas compressive force. SOLUTION: In a mechanism that slides parallel with a line connecting two crankshafts for rotatory-supporting the turning scroll, a slider is fixed to the turning scroll, and a sliding area is enlarged to allow the elongation of the turning scroll during operation. A sleeve is formed of a material with a coefficient of linear expansion causing no loosening of a bearing and the sleeve by the operating temperature. The reliability and performance of this scroll compressor of high output causing high pressure and high temperature can be kept high.
Patent JP-2000206507-A (JP)
Title: Liquid crystal projector device transparent body and polarizing plate
Inventor: UMEHARA MIKIHIRO
IPC: G09F13/04
Filed: 2000-02-28
Abstract: PROBLEM TO BE SOLVED: To eliminate the deterioration of a characteristic caused by the heat generation of a liquid crystal projector device whose heat radiating effect is improved, whose luminance is excellent and which is small-sized by forming at least one kind of transparent bodies such as a transparent base body constituting the holding plate of a polarizing body and a liquid crystal panel in a lens and a polarizing plate of a sapphire base body. SOLUTION: Light projected by a light source 1 is reflected by a spherical reflection mirror 2, and is made incident on the liquid crystal panel 8 through an incident side polarizing plate 6 after being transmitted through a filter 3, an integrator lens 4 and a condensing lens 5. Then, an image obtained by the light emitted by the liquid crystal panel 8 is magnified and projected on a screen or the like by a projecting lens 9 after the light is transmitted through an emitting side polarizing plate 7. In this liquid crystal projector device, at least, one kind of the transparent bodies such as the transparent base body constituting the holding plate of the polarizing body and the liquid crystal panel 8 in the lens 4 and polarizing plates 6 and 7 is formed of the sapphire base body.  Then, the heat conductivity of the sapphire base body is excellent, so that generated heat at each part is efficiently radiated.
Patent JP-2001248417-A (JP)
Title: Muffler
Inventor: KAMIKANE MASAYUKI
IPC: F01N1/08
Filed: 2000-03-01
Abstract: PROBLEM TO BE SOLVED: To reduce weight, dimension and cost by constituting a control valve of a muffler with possibly small number of components. SOLUTION: A cap-like valve element 37 is engaged with the outer periphery of the end of a communication pipe 35 for communication a plurality of sound deadening chambers in a muffler body, and a compressed coil spring 39 is mounted between a flange 35b of the communication pipe 35 and a flange 37d of the valve element 37. During a low load operation of an engine with exhaust gas of low pressure, the valve element 37 is held at a shown position to block the end of the communication pipe 35, and sound-deadening effect of exhaust gas is improved to reduce exhaust noise of the engine.  When the engine transfers to a high load operation to increase the pressure of exhaust gas, the valve element 37 moves in the left direction in the drawing against an elastic force of the coil spring 39, and communication holes 38, etc., formed in a cylindrical part 37a of the valve element 37 open to release the end of the communication pipe 35. Therefore, communication resistance of the exhaust gas is reduced, and reduction amount of engine output is minimized.
Patent JP-2001248144-A (JP)
Title: Drain driving barge and drain member driving method by drain driving barge
Inventor: NAKAGAWA MIKIO
IPC: B63B35/00
Filed: 2000-03-02
Abstract: PROBLEM TO BE SOLVED: To provide a drain driving barge capable of efficiently placing a drain in the open sea and to provide a drain member driving method by the drain driving barge. SOLUTION: A plurality of drain material driving devices 51 are provided in parallel at the tip part of a barge platform, and each drain material driving device 51 is supported to follow the rocking of the barge 50 by a driving device support means 12 at the lower part and by a leader head support means 42 at the apex, respectively. A drain material feeding device 52 having a twist preventing function and a cutter lifting/lowering device 30 for cutting a drain material 9 in the water are provided for each drain material driving device 51.
Patent JP-2001248190-A (JP)
Title: Hydrant mounting structure
Inventor: OIKAWA MASAHIRO
IPC: A62C35/20
Filed: 2000-03-02
Abstract: PROBLEM TO BE SOLVED: To provide a hydrant mounting structure capable of readily coping with different embedded depths of a water pipe and different installation depths of a valve casing and also coping with changes in height of the surface of the ground. SOLUTION: Either one of an upper connecting pipe extending from a hydrant body part into the ground and a lower connecting pipe extending upwards from a hydrant valve casing is provided with a socket 15 and the other of the pipes is provided with a spigot 16. A lower valve rod 42 formed to be capable of adjusting the amount by which the spigot 16 is inserted into the socket 15 and adapted to open and close a valve element in the hydrant valve casing and an upper valve rod 43 provided in the hydrant body part are connected with each other by an axially movable connecting member 44.
Patent JP-2001205386-A (JP)
Title: Binder composition for casting of casting mold, composition for casting of casting mold and method for manufacturing casting mold for casting
Inventor: OKUYAMA SUSUMU
IPC: B22C9/12
Filed: 2000-01-28
Abstract: PROBLEM TO BE SOLVED: To provide a composition for casting of a casting mold which is longer in pot life than the conventional composition for casting of the casting mold and a method for manufacturing the casting mold for casting using this conventional composition for casting of the casting mold. SOLUTION: This composition for casting of the casting mold contains a phenolic resin, isocyanate compound, boric acid, gaseous ternary amine catalyst and granular refractory aggregate.
Patent JP-2001249085-A (JP)
Title: Method and apparatus for inspecting sewer pipe
Inventor: MIYANE YUJI
IPC: G01N22/02
Filed: 2000-03-03
Abstract: PROBLEM TO BE SOLVED: To specify the abnormality generation position in a sewer pipe by inspecting even the long-range sewer pipe at once. SOLUTION: In a sewer pipe inspection method for detecting the abnormality generated in the sewer pipe 1 of sewage or the like using an electromagnetic wave, the frequency of the electromagnetic wave is made 10 times or more with respect to the cut-off frequency in such a case that the sewer pipe 1 is regarded as a waveguide pipe.
Patent JP-2000291696-A (JP)
Title: Transmission for tractor
Inventor: ONO HIROYOSHI
IPC: A01B63/10
Filed: 2000-03-06
Abstract: PROBLEM TO BE SOLVED: To obtain proper transmission torque by providing a sensor detecting a turn position on a lift arm and changing pressure rising characteristic of a hydraulic clutch in accordance with the detection of the sensor. SOLUTION: Hydraulic fluid fed out from a main pump 45 flows into a subcon valve 46 for taking out external oil pressure and is led into a valve 48 for horizontal control in a part through a flow dividing valve 47 to expand, shrink, and control a horizontal cylinder 49. The remaining hydraulic fluid divided by the flow dividing valve 47 flows into a valve 50 for lifting, lowering, and controlling a work machine and is fed into a main cylinder 51 to turn a lift arm and lift and lower the work machine. At this time, a turn position of the lift arm is detected by a sensor to change pressure rising characteristic of a hydraulic clutch in accordance with the detection of the sensor. Consequently, it is possible to prevent a shock and a slip at the time of start and shifting.
Patent JP-2001197594-A (JP)
Title: Ultrasonic wave vibrator
Inventor: MATSUO KENJI
IPC: H01L41/083
Filed: 2000-03-07
Abstract: PROBLEM TO BE SOLVED: To provided a small-sized ultrasonic wave vibrator that provides a narrow directivity characteristic without increasing the frequency. SOLUTION: Providing a groove 3 to an outer circumferential face of a case 2 of the ultrasonic wave vibrator configures a vibration disk 2' supported by a support 4 along a concentric circle and the support 4 is used for a node of the vibration and the inner and outer areas are vibrated in the same phase, respectively. Thus, the sound wave by the vibration of the inner area is interfered with the sound wave by the vibration of the outer area to enhance the sound pressure in front along the center axis and to obtain a narrow directivity characteristic. Furthermore, the groove 3 is packed by a flexible packing material to suppress degradation in the reverberation characteristic.
Patent JP-2001258142-A (JP)
Title: Protective structure of end concentrated welded part of electric wire group
Inventor: RIKUHATA MAKOTO
IPC: H02G15/08
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To fixedly mount a protective cap at an end concentrated welded part of electric wires without winding a tape. SOLUTION: Many core wires exposed at ends are superposed, and an end concentrated welded part 11 having recesses 11c at upper and lower surfaces 11a, 11b are formed by resistance welding. The part 11 is covered with the protective cap 12 having a locking protrusion 12e projected from an inner peripheral surface 12d in a cylindrical state having a bottom made of a resin. In this case, the protrusion 12e is engaged with the recess 11c, and the cap 12 is fixedly mounted at the electric wires d.
Patent JP-2001255405-A (JP)
Title: Micro structural body array and its manufacturing method
Inventor: USHIJIMA TAKASHI
IPC: C25D7/00
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a micro structural body array which has a reduced distribution in plane, is easy to manufacture and inexpensive and its manufacturing method. SOLUTION: In the method for manufacturing the micro structural body array, insulating mask layers 7 are formed on conductive parts 6, 9 of a substrate 5. Plural opening parts 8 are formed on the mask layers 7 so as to expose the conductive part 6 at the opening parts 8. An auxiliary electrode part 9 is formed essentially so as to surround the region corresponding to the plural opening parts 8. An electroplated layer 15 or an electrodeposited layer is formed on the opening parts 8, on the mask layers 7 and the auxiliary electrode part 9 by carrying out the electroplating or the electrodeposition. An electroless plated layer 16 is formed on the electroplated layer 15 or the electrodeposited layer by electroless plating.
Patent JP-2001255916-A (JP)
Title: Device and method for managing nc program of die-sinking discharge working device
Inventor: TSUKUDA MANABU
IPC: G05B19/409
Filed: 2000-03-10
Abstract: PROBLEM TO BE SOLVED: To provide a device and method for managing the NC program of a die sinking discharge working device, capable of easily searching a target NC program from a file stored in the past. SOLUTION: This managing device is provided with an inputting device 6, which inputs an NC program, the photograph of a discharge worked workpiece or an electrode to be used, and at least one of a worked result and program information or the like, a storage device 7, a display device 8, and an arithmetic device 8 constituted of a means for allowing the storage device 7 to store the prescribed NC program designated by an operator and the photograph and program information related with the prescribed NC program, by making them correspond to each other and a means for extracting the desired NC program from among the stored NC programs and the information related with this NC program,  by performing the arithmetic comparison of retrieval information inputted from the inputting device 6 by the operator with the stored program information and a means for displaying the list of the extracted data and a means for displaying the selected NC program.
Patent JP-2001267961-A (JP)
Title: Mobile wireless terminal
Inventor: TAKANO KOJI
IPC: H04B1/707
Filed: 2000-03-15
Abstract: PROBLEM TO BE SOLVED: To provide a mobile wireless terminal that can accurately select a path suitable for communication, maintain stable communication quality and prevent waste of power. SOLUTION: A matched filter 102 has a spread code used for synchronous acquisition as a tap coefficient and uses this spread code to apply inverse spread processing to a received base band signal obtained by an analog/digital converter 101. A signal power integrator 103 integrates the result of inverse spread processing by the matched filter 102 for a time designated by a path search section 104a. The path search section 104a obtains a delay profile according to the result of integration by the signal power integrator 103 every time a search period comes, temporarily stores the delay profile, averages the delay profiles, obtains a path with a high peak level from the mean profile and informs a finger management section 109a of this path so as to allow a receiver of a finger circuit 111to receive a signal through the path.
Patent JP-2001262500-A (JP)
Title: Hybrid pulp mold holding
Inventor: KUMAMOTO YOSHIAKI
IPC: D21J3/10
Filed: 2000-03-15
Abstract: PROBLEM TO BE SOLVED: To provide a hybrid pulp mold molding being inexpensive in spite of using 100% of taboo waste material. SOLUTION: This hybrid pulp mold molding 1 comprises any layer 6 which is except the outermost layer 5 in a pulp mold molding constituted of a multilayer structure and is composed of a raw material recycled from 100% of the taboo waste material.
Patent JP-2000327425-A (JP)
Title: Aluminum nitride sintered compact and its production
Inventor: OBANA YOSHIKI
IPC: C04B35/64
Filed: 2000-03-16
Abstract: PROBLEM TO BE SOLVED: To produce an aluminum nitride sintered compact excellent in thermal conductivity and deflective strength. SOLUTION: The compact is composed of 0.02-0.4 wt.% vanadium compd. expressed in terms of vanadium, 0.6-5 wt.% yttrium compd. expressed in terms of yttrium oxide, 0.03-0.10 wt.% carbon and the aluminum nitride crystalline particles having <=5 μm average particle size, and three-point bending deflective strength is >=45 kg/mm2 and the thermal conductivity is 150 W/m.K.
Patent JP-2001262283-A (JP)
Title: Method for improving steam oxidation resistance of austenitic heat resisting steel for boiler, and austenitic heat resisting steel for boiler excellent in steam oxidation resistance
Inventor: MORINAGA MASAHIKO
IPC: C22C38/00
Filed: 2000-03-21
Abstract: PROBLEM TO BE SOLVED: To provide a method for improving steam oxidation resistance using a relatively inexpensive austenitic heat resisting steel and to produce an austenitic heat resisting steel for boilers, improved in steam oxidation resistance. SOLUTION: In the austenitic heat resisting steel containing 14.0-20.0% Cr, S content and Si content are controlled to 0.002-0.04% and <=1.0%, respectively. In this method, it is desirable to control the relation between the contents (mass%) of the above S, Si and Cr and the grain size No. (G.N.) so that it satisfies the following inequality: 220[%S]+3.3[%Si]+0.4[%Cr]-+1.1[G. N.]>16.5. Moreover, in the resultant heat resisting steel, the average Bo value determined from the equation [average Bo value]=ΣXi.(Bo)i and the average Md value determined from the equation [average Md value]=ΣXi.(Md)i are within the ranges graphically illustrated in the figure.
Patent JP-2001263465-A (JP)
Title: Drain oil passage structure for transmission
Inventor: SUGANO HIROSHI
IPC: F16H57/04
Filed: 2000-03-22
Abstract: PROBLEM TO BE SOLVED: To provide drain oil passage structure of excellent machinability ensuring opening area without being axially extended in cooling and lubricating structure for a transmission unit. SOLUTION: In the transmission unit wherein cooling lubricating oil supplied from a lubricating oil supply oil passage 67 to a seal bearing 63 is drained from a drain oil passage without being accumulated, the radial drain oil passage is formed as a groove-like oil passage long in the circumferential direction of a support member and short in the axial direction.
Patent JP-2001268994-A (JP)
Title: Wind force generated power controller
Inventor: KAWACHI SHOICHI
IPC: H02P9/00
Filed: 2000-03-22
Abstract: PROBLEM TO BE SOLVED: To solve a problem of a difficulty in use of a wind force generator in a residential area due to noise increase of the generator at a strong wind time. SOLUTION: An output voltage of a converter 3 connected to an output stage of the wind force generator 1 is raised at the strong wind time to increase a load current. The generator 1 is electromagnetically braked to suppress an acceleration in the rotting speed of the generator. Thus, when a limit in the speed is not sufficient, a rotating speed limiting load 11 is connected to an output line of the generator 1. To prevent a noise at night, a limiting level of the speed at night is set lower than a limiting level in the daytime.
Patent JP-2001258360-A (JP)
Title: Device for conveying vegetable and for vegetable harvester of the like
Inventor: MINAZU KIYOAKI
IPC: A01D45/26
Filed: 2000-03-22
Abstract: PROBLEM TO BE SOLVED: To provide a conveying device for carrying harvested head-forming vegetables (cabbage), capable of improving conveying posture of the cabbage by synchronizing the moving speed of the running vehicle with the carrying speed of the conveying device. SOLUTION: This conveying device has a switching device 3 for adjusting the carrying speed of a conveying device 2 situated at a side of a running vehicle 5, conveying head-forming vegetables (cabbage) (a) and changing the conveying speed of the carrying device 2 so as to synchronize the above speed with the running speed of the running vehicle 5 in harvesting work.