baber/WOPTO huggingface dataset:
Patent JP-2001355049-A (JP)
Title: Martensitic stainless steel sheet and its production method
Inventor: TAKAHASHI MASAHIRO
IPC: C22C38/28
Filed: 2001-04-10
Abstract: PROBLEM TO BE SOLVED: To provide a martensitic stainless steel sheet having stable intermediate temperature region strength and small in blanking crack sensitivity and to provide its production method. SOLUTION: This steel sheet has a chemical composition containing, by mass, 0.02 to 0.10% C, <=1.0% Si, 0.05 to 1.0% Mn, <=0.01% S, <=0.1% P, 10.5 to 13.5% Cr and <=0.05% N and containing at least one kind selected from <=0.1% Ti, <=0.1% Al and <=0.1% Nb and 0.02 to 1.0% Mo, and the balance Fe with unavoidable impurities, has a metallic structure composed of ferrite and carbide, and in which the following MP value satisfies -18<=MP<=-7, and in the production, hot rolled sheet annealing is performed at 600 deg.C to less than the Ac1 transformation point, and then, cooling is performed to 500 deg.C at >=5 deg.C/sec: MP(%)=180[C(%)+N(%)]+3Mn(%)+6Ni(%)-3Si(%)-2Cr(%)-2 Mo(%)-Nb(%).
Patent JP-2002312999-A (JP)
Title: Disk unit
Inventor: KUROSAKA TOSHINORI
IPC: G11B17/028
Filed: 2001-04-16
Abstract: PROBLEM TO BE SOLVED: To realize a reliable reproduction operation while dealing with such a that a disk unit is made thinner. SOLUTION: A chucking table 17 attached to the rotation spindle 61 of a spindle motor 60 comprises a supporting part 20 for supporting the bottom face side of a recording disk 50 and a cover part 21. Also, a spindle part 20a fitted to the rotation spindle 61 and an inner circumferential contacting part 20b brought into contact with the inner circumferential end face of the recording disk 50 are extended from the supporting part 20 to be formed integrally. Even when the chucking table 17 is made thin in this way, attachment accuracy to the rotation spindle 61 can be sufficiently obtained, and the center position of the recording disk 50 can be surely aligned with the rotation spindle 61 to be supported. Then, it is possible to reduce the wobbling and eccentricity of the recording disk 50.
Patent JP-2002311266-A (JP)
Title: Optical waveguide and method for manufacturing the same
Inventor: IMOTO KATSUYUKI
IPC: G02B6/13
Filed: 2001-04-17
Abstract: PROBLEM TO BE SOLVED: To provide an optical waveguide and a method for manufacturing the waveguide in which the concentration of hydroxyl groups in the light- propagating part is decreased. SOLUTION: The inner part of a base body 1 consisting of an optical material is irradiated with femtosecond laser pulse beams at 1.39 μm wavelength so as to form the light-propagating part 2 having an increased refractive index and decreased concentration of hydroxyl groups in the region where the light converges. Thus, the light-propagating part where OH groups are removed can be obtained.
Patent JP-2002308134-A (JP)
Title: Driving operation device
Inventor: SUZUKI TORU
IPC: H02P7/29
Filed: 2001-04-17
Abstract: PROBLEM TO BE SOLVED: To prevent continuation of an overheat state of a driving circuit for controlling an electric motor generating reaction force and a current applied to the electric motor. SOLUTION: This driving operation device is provided with a operation lever 10, a steering angle sensor 26 for detecting an operating angle θj of the operating lever, an electric motor 25 for generating reaction force according to the magnitude and direction of an applied current, a driving circuit 42 for controlling a current applied to the electric motor, a reaction force computing part B13 for determining the magnitude and the direction of a current applied to the electric motor according to the detected operating angle θj and giving an instruction of applying the current to the electric motor to the driving circuit, temperature detecting parts B3, B4 for detecting or estimating the temperature of the electric motor or the temperature of the driving circuit,  and current limit means B14 to B16 for limiting the magnitude of the current applied to the electric motor according to the detected or estimated temperature to a designated current limit value or less.
Patent JP-2002317218-A (JP)
Title: Molten iron dephosphorizing method
Inventor: HOSOHARA SEIJI
IPC: C21C1/02
Filed: 2001-04-20
Abstract: PROBLEM TO BE SOLVED: To provide a molten iron dephosphorizing method capable of reducing the phosphor concentration to a low or super-low phosphor zone without using any environmental regulating substance such as fluorite as a flux in the preliminary treatment of the molten metal. SOLUTION: In the preliminary treatment of dephosphorizing the molten iron in which the phosphor concentration in the molten iron is set to be <=0.040 mass % by feeding oxygen source and CaO source to the molten metal held in the converter as a reaction vessel, the CaO source of the quantity required for the treatment is charged in a divided manner so that the melting ratio of the slag to be formed during the treatment is >=70% without charging any flux for promoting the melting of the slag.
Patent JP-2002318328-A (JP)
Title: Optical connector device
Inventor: ASADA KAZUHIRO
IPC: H01L31/0232
Filed: 2001-04-20
Abstract: PROBLEM TO BE SOLVED: To provide an optical connector device that can suppress electromagnetic waves radiating from a ferrule in an optical connector equipped with the ferrule formed of an electrically conductive material. SOLUTION: In the optical connector 1 on an optical element D side, the shield case 30 is formed into a structure in which a guide sleeve 33 is integrally formed with the case body 31 for storing the optical element D, with the entirety formed with metallic materials. Where the optical connector 1 and an optical connector 50 are connected to each other, a ferrule 51 on the optical connector 50 side is inserted into the guide sleeve 33 and guided toward the optically coupled part Dc of the optical element D inside the shield case 30. The ferrule 51 is in electrical contact with the guide sleeve 33 and grounded through the shield case 30.
Patent JP-2002318708-A (JP)
Title: Method and system for scalability test
Inventor: YAMADA YASUHARU
IPC: G06F11/28
Filed: 2001-04-20
Abstract: PROBLEM TO BE SOLVED: To provide a method and a system for scalability test, with which an effective and flexible test can be performed. SOLUTION: The scalability test system is provided with a plurality of application running devices for running application composed of a plurality of sets of software components, and a component flow control part for changing a number of software components to be executed corresponding to one request applied from a virtual request generator to the application corresponding to the contents of the test and making the application running device run the components.
Patent JP-2002318513-A (JP)
Title: Image forming device
Inventor: KONNO HISAO
IPC: G03G21/00
Filed: 2001-04-23
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device capable of appropriately maintaining the air quantity of an air flow in one and the other flow passage parts with a simple constitution. SOLUTION: A copying machine 1 is provided with a branch duct 51 equipped with an air flow guiding flow passage part 53 and one and the other flow passage parts 57 and 59 branching from the guiding flow passage part 53, where an ozone filter 63 is attached to one flow passage part 57, a movable filler 61 for distributing the air flow in the guiding flow passage part 53 to one and the other flow passage parts 57 and 59 is arranged at the branch part 51a of the branch duct 51, the movable filler 61 is freely rotated around a rotational fulcrum 65 arranged on the downstream side of the air flow toward one and the other flow passage parts, the movable filler 61 is provided with a swell part 62 formed at the longitudinal center part so as to be made thicker than one end and the other end in the longitudinal direction,  and a pressure of one flow passage part 57 is imparted to one side face 61c on the downstream side of the swell part 62, and a pressure of the other flow passage part 59 is imparted to the other side face 61d on the downstream side of the swell part 62, then, the movable filler 61 is rotated in accordance with a pressure difference between one and the other flow passage parts 57 and 59.
Patent JP-2002317612-A (JP)
Title: Valve mechanism of engine
Inventor: KUMAGAI ATSUNORI
IPC: F02F1/24
Filed: 2001-04-24
Abstract: PROBLEM TO BE SOLVED: To provide a valve mechanism of an engine constituted so that heat radiation from the valve can be promoted. SOLUTION: A valve guide for slidably holding a valve stem 20 on a cylinder head 13 is divided in two of 23a and 23b and arranged apart in the axial direction of the valve stem 20.
Patent JP-2002328756-A (JP)
Title: Merchandise dealing explaining method using three- dimensional display
Inventor: NISHIMORI YASUNORI
IPC: G06F3/0481
Filed: 2001-04-27
Abstract: PROBLEM TO BE SOLVED: To realize merchandise dealing explanation using three-dimensional expression by making it possible for a user to observe the operation of a movable part from various points of view while experiencing the operation of merchandise by using a computer. SOLUTION: A background picture indicating a three-dimensional space is displayed on the screen of a computer, and the three-dimensional picture of merchandise having a movable part is compositely displayed on the background picture so that the movable part of the merchandise can be operated according to the operation of the computer, and the operation of the movable part can be observed from an arbitrary point of view according to the operation of the computer. The screen of the computer is provided with at least a main screen and a sub-screen, and the operating part of the merchandise displayed on the main screen is displayed on the sub-screen. The movable part of the merchandise can be displayed on the main screen while the whole merchandise is displayed on the sub-screen.
Patent JP-2002327712-A (JP)
Title: Gear ascending and descending device of airplane landing
Inventor: UNNO TAKAHIRO
IPC: F15B15/26
Filed: 2001-05-02
Abstract: PROBLEM TO BE SOLVED: To avoid economic deterioration accompanied by assembling of a locking mechanism for locking a piston rod in a stroke end of an advancing side in order to fix a landing gear in a descending position where the gear is pulled out from the body of an airplane. SOLUTION: A piston 12 in a cylinder 11 is fixed in the locking position by means of a plurality of locking segments 26. The plurality of the locking segments 26 are maintained in the cylinder side so that the locking segments pass through the cylinder 11 in a radial direction and is also movable in its radial direction, and the segments are also engaged with the inside of the piston 12 in the state where they are moved to the center side, and they are further separated from the inside of the piston 12 in the state where they are moved to the outer peripheral side. Upon arranging a plurality of the locking segments 26 in the cylinder side, it is avoided that the locking segments 26 are contacted with the inner peripheral surface of the cylinder 11, and hardening treatment to the inner peripheral surface of the cylinder becomes unnecessary.
Patent JP-2002326759-A (JP)
Title: Sheet processing device, and image forming device
Inventor: MATSUMOTO YUZO
IPC: G03G21/00
Filed: 2001-05-07
Abstract: PROBLEM TO BE SOLVED: To eliminate nonconformity such as failure or difficulty to take the lowest sheet among delivered sheets. SOLUTION: This device is provided with a finisher 400 comprising a sheet delivery roller 415 to carry a sheet to an intermediate processing tray, a front regulating plate 412B on the device front side and a rear regulating plate 412A on the device depth side to regulate the sheet in a width direction perpendicular to a carrying direction, a sheet bundle delivery belt 421 to deliver a sheet bundle on the processing tray regulated by the regulating plates 412, and a finisher control part to control action of each part. Each sheet bundle is sorted by the regulating plates 412 on the processing tray. Size of the sheet delivered to the processing tray is compared with a preliminarily set specified size, and when the sheet size is smaller than the specified size, sorting of the sheet bundle is automatically prohibited.  A stop position of the front regulating plate 412B is changed corresponding to the sheet size, and the rear regulating plate 412A only is actuated to the reference of the front regulating plate 412B changed.
Patent JP-2002326421-A (JP)
Title: Recorder
Inventor: TAGA SUSUMU
IPC: B41J25/304
Filed: 2001-05-07
Abstract: PROBLEM TO BE SOLVED: To ensure a good recording quality on a sheet in case of a record pattern having a high recording duty. SOLUTION: A recorder comprising a platen 17 supported resiliently and movably in the direction approaching a recording head 11 or receding therefrom, and the recording head for recording an image on a sheet carried between the head and the platen is further provided with a mechanism 31 prestored with a relation between a pattern being recorded by the recording head and the allowable displacement of the platen in the direction receding from the recording head, at the time of recording operation of the platen and restraining the platen to recede from the recording head exceeding the allowable displacement. A control board section detects the recording pattern of an image to be recorded prior to recording operation by the recording head, and controls the restraining mechanism such that displacement of the platen in the direction receding from the recording head does not exceed the allowable displacement corresponding to a detected recording pattern at the time of recording operation.
Patent JP-2002333687-A (JP)
Title: Heat developable image recording material
Inventor: TSUKADA YOSHIHISA
IPC: G03C1/498
Filed: 2001-05-08
Abstract: PROBLEM TO BE SOLVED: To provide a heat developable image recording material excellent in both image preservability and suitability to coating. SOLUTION: The heat developable image recording material contains at least one photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions and a binder on one face of the base and a polymeric latex containing 20-900 ppm chelate compound relative to the latex liquid is contained as the binder.
Patent JP-2002332776-A (JP)
Title: Abnormality restoration method for automatic door
Inventor: ABE NAOKO
IPC: G06Q50/16
Filed: 2001-05-09
Abstract: PROBLEM TO BE SOLVED: To provide an abnormality restoration method for an automatic door that can immediately restore the automatic door in which a failure or abnormality has occurred. SOLUTION: This abnormality restoration method for the automatic door is provided with an operating information storage means 16 for acquiring and storing the operating state of a drive part 2, a passing body detecting means 10 and an auxiliary passing body detecting means 11 from a control part 12; information analysis means 17, 18, 19 for analyzing the occurrence of the failure on the basis of the operating state stored in the operating information storage means 16, and classifying the degree of difficulty of restoration corresponding to the cause of the failure into at least two degrees; an audio storage device 20 for storing the contents and restoration method of the failure easy to restore, classified by the information analysis means 17, 18, 19; and an audio output device 20A selecting voice corresponding to the state of the failure, from an audio output device to inform a user.
Patent JP-2002302207-A (JP)
Title: Packing volume reduction device for garbage container
Inventor: SAKURAI KURAZO
IPC: B65F1/10
Filed: 2001-04-02
Abstract: PROBLEM TO BE SOLVED: To provide a packing volume reduction device, capable of facilitating packing and volume reduction, by using an ordinary garbage container and a garbage bag, easily inputting garbage with the volume reduction device attached at the upper part of the garbage container, and pressing down fully- packed garbage with a pressing-down plate of the device for easily packing and reducing the volume, thus easily packing and reducing the volume of the garbage bulky gathered in the garbage container to a fraction in the garbage container, reducing the frequency of garbage disposal, and reducing the stacking amount of the garbage bags at a garbage station for promoting beautification of environment in a city and saving labor for garbage collection. SOLUTION: This packing volume reduction device for garbage container comprises a pressing-down member where endless contracting string 3 is attached onto the pressing-down plate 2 having a grab 1 at the center part so that both sides of the string may protrude from the pressing-down plate 2, and a pair of attaching hooks 4 separately provided for attaching the pressing-down member with the garbage container.
Patent JP-2002332998-A (JP)
Title: Pump device
Inventor: TAMAGAWA MITSURU
IPC: F04D29/66
Filed: 2001-05-11
Abstract: PROBLEM TO BE SOLVED: To provide a pump device for which a vibration preventive measure can be taken without requiring troublesome work. SOLUTION: In the pump device, a vibration preventive function part 22 is attached to a pump base 1 when the pump shipped. Therefore, the vibration preventive measure can be taken for the pump device only with an ordinary pump device setting work such as installing the pump base 1 on which a pump unit 5 is assembled on a setting place A, and the pump device with vibration preventive function can be set without troublesome work such as setting a conventional vibration preventive rack.
Patent JP-2002336066-A (JP)
Title: Leg
Inventor: IWAMURO HIROMI
IPC: A47B91/02
Filed: 2001-05-14
Abstract: PROBLEM TO BE SOLVED: To provide a leg by which costs for manufacture is reduced remarkably compared with a conventional leg by making the leg which can be shared between at least two different kind of furniture. SOLUTION: A leg 2 consists of a leg body 21 having a continuous opening X along a longitudinal direction at a part of a peripheral wall 21a and a plate body 22 inserted along the longitudinal direction to the inside of this leg body 21 to partially appear to outside through an opening X.
Patent JP-2002340024-A (JP)
Title: Hydraulic declutching device
Inventor: MIURA YOSHIHISA
IPC: F16D25/08
Filed: 2001-05-15
Abstract: PROBLEM TO BE SOLVED: To provide a hydraulic declutching device which is not broken even when a boot is twisted in the rotational direction. SOLUTION: In this hydraulic declutching device wherein a hydraulic chamber 12 in which a piston 7 is inserted is composed of an inner cylinder 5 and an outer cylinder 6, an annular flange 15 supporting a release bearing 9 is mounted on an end part of the piston 7, a compression spring 10 is mounted between the annular flange 15 and an annular washer 16 fitted and fixed to an outer peripheral face of the outer cylinder 6, and a bellows-shaped boot 11 is positioned at an outer peripheral side of the compression spring 10 between an outer end part of the annular flange 15 and the annular washer 16, an end part of the boot 11 is fixed to a rotatable sliding bush 21 abutting on the annular washer 16.
Patent JP-2002084693-A (JP)
Title: Brushless dc motor
Inventor: INAYAMA HIROHIDE
IPC: H02K1/24
Filed: 2001-05-16
Abstract: PROBLEM TO BE SOLVED: To provide a brushless DC motor which can reduce cogging torque. SOLUTION: A brushless DC motor, which is composed of a rotor 2 mounted with a permanent magnet 3 and a stator 1 having a plurality of slots, has an effective magnetic pole opening angle Q2 of the rotor 2 being set with a prescribed opening angle based on the rotary shaft of that rotor 2 and a magnetic pole projection opening angle Q3 being given within that effective pole-opening angle Q2, and each opening angle is set so that the cogging torque generated by the effective pole-opening angle Q2 and the cogging torque generated by the magnetic pole protrusion opening angle Q3 is mutually out of phase.
Patent JP-2002336645-A (JP)
Title: Plasma catalyst reactor, air cleaner, nitrogen oxide cleaner and waste combustion gas cleaner
Inventor: KAGAWA KENKICHI
IPC: A61L9/22
Filed: 2001-05-21
Abstract: PROBLEM TO BE SOLVED: To sufficiently promote the chemical reaction of fluid to be treated and to enhance treatment performance by enhancing the activity of the plasma in a plasma catalyst reactor (20) combining a low-temperature plasma and a noble metal-base catalyst. SOLUTION: The low-temperature plasma is generated by a corona discharge, creeping discharge, unvoiced discharge or partial discharge in a flow space of the fluid to be treated and the fluid to be treated is treated by combining the low-temperature plasma and the noble metal-base catalyst.
Patent JP-2002347073-A (JP)
Title: Material resin feeder of injection molding machine by vacuum hopper
Inventor: MATSUI TOKUO
IPC: B29C45/18
Filed: 2001-05-22
Abstract: PROBLEM TO BE SOLVED: To solve the on-off failure of a shutter, seal failure or the like without sharply altering the structure of a hopper itself by the feed of a material due to a blower and the negative pressure eliminating vent valve employed in the pipeline of a vacuum pump for reducing the pressure in a material feed chamber. SOLUTION: The hopper 1 is airtightly demarcated into an upper material suction chamber 4 and a lower material feed chamber 5 by the shutter 3, and the on-off device 18 of the shutter 3 is provided to the hopper 1. A feed pipeline 8 is provided over the material suction chamber 4 and a material tank 7 and the suction blower 10 is connected to the material suction chamber 4. The pressure reducing vacuum pump 13 and a level detector 19 for detecting the level of the material resin 21 in the material feed chamber 5 are provided to the material feed chamber 5. A weighing part 9 for controlling a material feed amount on the basis of an open time is provided to the feed pipeline 8, and the negative pressure eliminating vent valve 15 of the material feed chamber 5 is provided to the pipeline 14 of the vacuum pump 10.
Patent JP-2002226986-A (JP)
Title: Corrosion protection device for steel-made equipment
Inventor: HANAZAKI MASAYUKI
IPC: E01F9/681
Filed: 2001-05-23
Abstract: PROBLEM TO BE SOLVED: To provide a corrosion protecting device composed of a sacrificial anode for steel-made equipment quickly disposing with minimal manhour with a close contact near the root of the steel-made equipment installed, on various planes and sufficiently exhibiting the function of the sacrificial anode. SOLUTION: The corrosion protecting device 10 for the steel-made equipment is composed of aluminum or its alloy and is fixed on the installation plane 4 of a barrier curb 2 and attached to the whole periphery of the part near the root of a support (the equipment) 6 located on the installation plane 4 and functions as a sacrificial anode. This device has a circular ring-shaped main body 12a, 12b surrounding the whole periphery of the part close to the root of the support 6, and also conductive driftpins (fillers) 18 are inserted between the inner peripheral surface 13 of the main body 12a, 12b and the outer peripheral surface of the support 6.