baber/WOPTO huggingface dataset:
Patent JP-2002298322-A (JP)
Title: Magnetic recording/reproducing device
Inventor: NAITO KATSUYUKI
IPC: G11B5/82
Filed: 2001-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a magnetic recording/reproducing device to be easily manufactured and capable of performing tracking with high accuracy even when pitch between tracks is narrowed down. SOLUTION: The magnetic recording/reproducing device 1 is provided with a magnetic recording medium 2 having belt-like magnetic recording parts 22 and belt-like nonmagnetic parts 23 mutually arranged in parallel or alternately, a recording/reproduction head 7 with a first magnetic sensor having a first magnetism detecting part 13b facing a boundary part between one of the belt- like magnetic recording parts 22 and one of the belt-like nonmagnetic parts 23 adjacent to it, a second magnetic sensor having a second magnetism detecting part 13a facing one of the belt-like magnetic recording parts 22 and a magnetic field generating part 14 facing one of the belt-like magnetic recording parts 22 and driving mechanism to relatively transfer the magnetic recording medium 2 and the recording/reproduction head 7 along one of the belt-like magnetic recording parts 22.
Patent JP-2002295177-A (JP)
Title: Pipe for use in pipe jacking method
Inventor: SHIMOYASU TETSUJI
IPC: E21D9/06
Filed: 2001-03-29
Abstract: PROBLEM TO BE SOLVED: To provide an earthquake resisting pipe for use in a pipe jacking method which carries out laying of fluid transporting pipes for waterworks, gas distribution, sewageworks, etc., without excavating the ground, wherein the pipe is buried in the ground while ensuring a sufficient expansion allowance functioning at the time of an earthquake, etc., suppressed in increase in propelling force, and relatively simple in structure. SOLUTION: The earthquake resisting pipe is for use in the pipe jacking method for burying the pipes in the ground in a manner being sequentially connected together. According to the earthquake resisting pipe, a peripheral portion of a cast iron pipe having an NS-type earthquake resisting joint is sheathed with a steel pipe, and concrete is placed between the cast iron pipe and the sheathing steel pipe, followed by providing an end face ring on a front end face of the sheathing steel pipe with respect to a propelling direction, in order to prevent twisting of the steel pipe.
Patent JP-2002089653-A (JP)
Title: Circulation type ball screw
Inventor: OKUBO TSUTOMU
IPC: F16H25/22
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a ball screw of circulation type having excellent durability by supplying a lubricant to each item of circulation components sufficiently and thereby suppressing noise emission. SOLUTION: Four holes leading to a spiral rolling passage (consisting of ball rolling grooves confronting at the outer surface of a screw shaft 2 and the inner surface of a ball nut 4) of a ball screw 12 are formed on a flat surface 4b formed on the oversurface of the ball nut 4, and the ends of two ball tubes (circulation components) 8 are inserted into these holes. The ball tubes 8 are fixed from above by a tuber holder 14. Two supplying members 16 are connected with the oversurface of the tube holder 14, and their inside is in communication with the inside of each ball tube 8 through an oil passage 20 formed in the tube holder 14.
Patent JP-2002298439-A (JP)
Title: Optical recording medium and reproducing method
Inventor: ICHIHARA KATSUTARO
IPC: G11B7/24065
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a technology by which a super-resolution effect can fully be obtained. SOLUTION: An optical recording medium 1 is detachably or undetachably mounted on a reproducing device which uses light converged by a focus lens for reproduction of information, and is provided with a layered structure having a thin film recording part 4 and a super-resolution film 3 in which an optical constant changes according to irradiated light intensity, and a substrate 2 to support the layered structure. The film thickness Ts of the super-resolution film 3, light wavelength λ and the numerical aperture NA of the focus lens satisfy a relation illustrated in the inequality: Ts>0.5×(λ/NA<2> ).
Patent JP-2002292280-A (JP)
Title: Producing method of catalyst for production of aromatic aldehyde and method for producing aromatic aldehyde
Inventor: HASHIMOTO MASASHI
IPC: B01J23/30
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a producing method of a new catalyst which oxidizes alkylbenzenes in gaseous phase in the presence of molecular oxygen and produces the corresponding aromatic aldehydes at high yield and to provide a method which produces the corresponding aromatic aldehyde from the alkylbenzenes at high yield. SOLUTION: When producing the catalyst for producing aromatic aldehyde by gaseous phase oxidation of alkylbenzenes which is also a catalyst containing antimony, starting material of two kinds or more which are different in valence of antimony are used. By using the gained catalyst, the alkyl benzenes are oxidized in gaseous phase in the presence of molecular oxygen.
Patent JP-2002297982-A (JP)
Title: Managing system and managing method for reservation or purchase information
Inventor: SHIROMIZU AKIRA
IPC: G06Q30/06
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To make reservation or purchase of a commodity performable even if a purchaser does not hold something special other than things which the purchaser normally holds. SOLUTION: A purchaser terminal device 10 sends reservation information for a commodity specified by the purchaser and a credit card number to a credit loan company terminal device 40, and the credit loan company terminal device 40 coordinates the reservation information with the credit card number and stores it. A store terminal device 30 inputs the credit card number from a credit card submitted from the purchaser, sends the credit card number to the credit loan company terminal device 40 and has it send back corresponding reservation information, and sells the commodity corresponding to the reservation information to the purchaser.
Patent JP-2002295277-A (JP)
Title: Spark ignition type direct injection engine equipped with turbo supercharger
Inventor: UCHIDA HIROYASU
IPC: F02D13/02
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a spark ignition type direct injection engine having a turbo supercharger capable of promoting activation of an exhaust emission control catalyst on the downstream from a turbine at cold starting. SOLUTION: In cold start of an engine, a fuel is injected through a fuel injection valve, dividing into a preceding stage to be carried out in the latter half of compression process prior to ignition timing and a subsequent stage in an expansion process after ignition timing. In this case, the amounts of intake air and fuel injection are adjusted, in such a way that an air/fuel ratio (preceding stage air/fuel ratio) in a combustion chamber at combustion of the fuel injected by the preceding stage satisfies 2<=λ<=3, so that the ratio (total air/fuel ratio) at combustion of the fuel by the subsequent stage becomes such that 1<λ<2.  Thereby, the temperature of exhaust gas is elevated by the combustion heat of the fuel injected in the expansion process and also the heat generated due to the oxidation of unburned HC by turbine agitation to elevate the temperature or promote the activation of the exhaust emission control catalyst downstream from the turbine.
Patent JP-2002294794-A (JP)
Title: Sanitary washing device
Inventor: MATSUSHITA HIROYUKI
IPC: E03D9/08
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a sanitary washing device capable of being designed to display a sense of integration. SOLUTION: In the sanitary washing device, a toilet seat and a toilet seat cover are arranged ahead of a main body casing wherein a washing water discharging nozzle for discharging washing water is housed in such a manner as to freely advance/retreat, and an operation-part casing housing an operating button is continuously installed in a side part of the main body casing. A top face of the main body casing and a top face of the toilet seat cover are formed of a continuous curved line, and the top face of the toilet seat cover and a midway part of a top face of the operation-part casing are formed of a continuous curved line.
Patent JP-2002302491-A (JP)
Title: Method for separating ester compound from acid catalyst
Inventor: MONMA YOSHINARI
IPC: C07B61/00
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a new method for separating an ester compound from an acid catalyst used in a reflux dehydration reaction to obtain the ester compound in a high yield at a low cost and in high productivity. SOLUTION: This method for separating the ester compound from the acid catalyst comprises subjecting a carboxylic acid and an alcohol or phenol compound to a dehydrative esterification reaction in the presence of the acid catalyst, neutralizing the acid catalyst with an organic base to form the salt of the acid catalyst, and then adding water to a non-aqueous solvent solution thereof to separately transfer the produced ester compound and the acid catalyst organic base salt to the non-aqueous solvent layer and the water layer, respectively.
Patent JP-2001353170-A (JP)
Title: Plastic implanting material
Inventor: KELLER ARNOLD
IPC: A61F2/00
Filed: 2001-04-04
Abstract: PROBLEM TO BE SOLVED: To avert the danger that a radiographic contrast wire is disconnected and (or) that the radiographic contrast wire dislocates from a prescribed position. SOLUTION: The plastic implanting material has a circumferential groove 3 for housing the radiographic contrast wire 9. The groove 3 is completely or partially shielded from outside. The wire more adequately forms an open loop.
Patent JP-2002305408-A (JP)
Title: Antenna
Inventor: HORIIKE YOSHIO
IPC: H01Q1/24
Filed: 2001-04-06
Abstract: PROBLEM TO BE SOLVED: To provide an antenna which is compact and can obtain superior radiation characteristics and gain. SOLUTION: A line-type conductor foil, whose one end is open, is disposed on a printed board 11; a loop-type conductor foil, whose one end is connected with ground, is disposed on the opposite surface of the printed board or on a surface which interposes an insulating layer on the line-type conductor foil surface; the other end of the line-type conductor foil is electrically connected with the other end of the loop-type conductor foil; and the antenna is disposed on the printed board, where the end of the electrically connected side is set as a feeding point.
Patent JP-2002304436-A (JP)
Title: Wiring substrate evaluation assisting device
Inventor: TANIMOTO SHINICHI
IPC: H05K3/00
Filed: 2001-04-06
Abstract: PROBLEM TO BE SOLVED: To provide a wiring substrate design assisting device for assisting the designing of a substrate with good characteristics for a designer in deciding a layout position of a bypass capacitor or a decoupling element. SOLUTION: A wiring substrate evaluation assisting device for assisting evaluation by a user on whether a wiring path of a net to be evaluated where the influence of the size corresponding to the wiring path is produced is appropriate or not in a designing stage of the wiring substrate is provided with a design information recording part 111 for recording design information including index data to be an index of the size of the influence produced in each of the plurality of nets to be evaluated, an influence calculation part 107 for calculating the size of the influence produced in each of the nets to be evaluated based on the design information, and a display part 110 for displaying the size of each of the index data or the size of the calculated influence according to the net to be evaluated in the mode recognizable by the user.
Patent JP-2002304745-A (JP)
Title: Optical pickup and disk drive device
Inventor: YAMADA KAZUHITO
IPC: G11B7/08
Filed: 2001-04-10
Abstract: PROBLEM TO BE SOLVED: To facilitate the inclination adjustment of an optical element, and to reduce the number of parts items. SOLUTION: This device is provided with a holder integrated optical element 22 constituted of a circular platelike arrangement part 24 including an optical element, in which a holder part 23 and an optical element 14 having no optical axis for inclination adjustment are integrally formed, and a protrusion to be operated 25, a movement base 11, in which an arrangement recessed part 19 for rotatably arranging the holder integrated optical element, and an insertion hole 21 for protruding the protrusion to be operated to the outside are formed, and a pressing member 26 for pressing the holder integrated optical element to the movement base when the inclination of the holder integrated optical element attached to the movement base is adjusted.
Patent JP-2002308418-A (JP)
Title: Conveying method of roof tile base and conveying line system of roof tile base
Inventor: HAYAKAWA AKIHIRO
IPC: B65G47/248
Filed: 2001-04-11
Abstract: PROBLEM TO BE SOLVED: To solve the problem that a roof tile base loses a market value as its surface is easy to be marred and damaged at the time when it is derricked by a derrick mechanism and at the time when it is conveyed by a receiving conveyor by coming into contact with the derrick mechanism and the receiving conveyor as the surface of the roof tile base faces against the derrick mechanism. SOLUTION: This conveying line system of the roof tile base carries the derricked roof tile base W in a horizontal state by the receiving conveyor 20 by hanging the roof tile base W by a hanger 24 of a hanger conveyor 12 for glazing application so that a head H of the roof tile base W is directed downward, revolving the roof tile base W in the horizontal direction so that a back surface N of the roof tile base W is directed in the conveying direction, removing the revolved roof tile base W from the hanger 24 and derricking the roof tile base W on the receiving conveyor 4 by receiving it so that a surface P of the roof tile base W is directed upward.
Patent JP-2001349685-A (JP)
Title: Plate type heat exchanger and its partially offset corrugated fin
Inventor: GERARD CLAUDE
IPC: F28D9/00
Filed: 2001-04-16
Abstract: PROBLEM TO BE SOLVED: To reduce or substantially eliminate saw-tooth pressure drop caused by offset from one row to next row. SOLUTION: In the corrugated fin, each corrugated leg part (10A, 10B) has, at at least one edge (11A) thereof, a notch (18A, 18B) extending at least to a part of the height. The invention is applied to a plate type heat exchanger including a corrugated fin.
Patent JP-2002306564-A (JP)
Title: Bathing care device
Inventor: KOMURA SEIICHI
IPC: A61H33/00
Filed: 2001-04-17
Abstract: PROBLEM TO BE SOLVED: To provide a bathing care device which secures an effictive space in bathtub as it is, has a simplified structure, prevents a driving mechanism from sinking becoming wet and enables a user to safely take a bath with few faults. SOLUTION: The device is provided with a supporter part 1 which is placed on one side of the upper surface 10a of a bathtub 10 in a weight support state and held to a wall 11 by a forward inclination preventing means 4 in an upper part in a weight non-support state, a slide member 5 arranged in the supporter part 1 so as to be elevated/lowered, a holding member 6 which is extended toward a lower part from the slide member 5, a seat part 2 arranged at the lower end of the holding member 6 and an elevating/lowering driving mechanism E which is disposed in the supporter part 1 and elevates/lowers the slide member 5.
Patent JP-2002317387-A (JP)
Title: Grain artificial leather and method for producing the same
Inventor: ANDO SHUICHI
IPC: A43B23/02
Filed: 2001-04-18
Abstract: PROBLEM TO BE SOLVED: To provide a flexible artificial leather substrate having mechanical properties durable to severe use conditions such as sports shoes. SOLUTION: The substrate layer of the grain artificial leather is composed of a three-dimensionally interlocked nonwoven fabric made of fibers composed mainly of ultrafine fibers having a fineness of <=0.5 dtex and a polymeric elastomer. The weight ratio of the ultrafine fiber and the polymeric elastomer in the substrate layer is 60/40 to 30/70 and the substrate layer contains a crosslinked polyurethane resin, the polymeric elastomer and the ultrafine fiber in mixed state in the range from 100 to 200 μm measured from the resin layer for forming a grain surface.
Patent JP-2002079438-A (JP)
Title: Service life controlling method for composite tool
Inventor: YAMAZAKI TSUNEHIKO
IPC: B23B1/00
Filed: 2001-04-18
Abstract: PROBLEM TO BE SOLVED: To provide a life controlling method for a composite tool capable of properly controlling the service life of the composite tool provided with a plurality of inserts. SOLUTION: In this composite tool 21 capable of executing the turning work and the milling work by independently or selectively simultaneously using the plurality of inserts 22, 23, 25, 26, the service life of the composite tool is determined by integrating work time elements UT, LN by each insert, and when the expiration of the service life of at least one insert is determined, the expiration of the service life of the composite tool including the insert on which the expiration of the service life is determined, is determined. The working by the combination tool can be immediately stopped when the service life of one insert is expired, which prevents the impairing of the working accuracy caused by the continuous use of the insert of which the service life is expired.  As the working time elements are integrated by each insert, the insert of which the service life is expire, can be evidently distinguished from the other inserts.
Patent JP-2002315348-A (JP)
Title: Pwm-current controlled inductive load drive, control provided therewith, and method for driving inductive load
Inventor: KAWAI KOJI
IPC: H02P7/00
Filed: 2001-04-18
Abstract: PROBLEM TO BE SOLVED: To efficiently suppress or prevent heat generation from a voice coil motor, when the voice coil motor 20 is in a stop with respect to a PWM-current controlled inductive load drive which drives and controls an electromagnetic motor, such as voice coil motor, by PWM current control, a control provided with the inductive load drive, and to provide a method for driving an inductive load. SOLUTION: By making control operation to switch the carrier frequency of the voice coil motor 20 at a stoppage to a value higher than the carrier frequency of the voice coil motor, when driving, the response characteristics of the voice coil motor 20 are maintained as desired, without increasing the size of the overall equipment, and heat generation from the voice coil motor 20 at stoppage is suppressed efficiently or prevented, without causing switching loss.
Patent JP-2002307509-A (JP)
Title: Controller for injection molding machine
Inventor: KAGEYAMA KOICHI
IPC: B29C45/76
Filed: 2001-04-18
Abstract: PROBLEM TO BE SOLVED: To extremely easily and accurately set a control position of a predetermined component. SOLUTION: An operator sets an operation mode (mold clamping mode, a mold opening mode or the like) by an operation mode setting means A. The operator then operates a manual feeding means C, operates a drive means B to move the predetermined component such as a movable board, an ejector or the like and to execute a predetermined operation such as, for example, a mold clamping operation. When the predetermined component is moved to a suitable position, or when the position is intended to be set to a control switching position, the operator operates a position data capturing means F. Then, the position data of the predetermined component detected by a position detecting means D is stored in a memory means E via a control means.  In order to set the control switching position of the predetermined component, its setting can be executed merely by operating the position data capturing means without using a ten-key or a digital switch or the like.
Patent JP-2002318753-A (JP)
Title: Server device
Inventor: KUDO TAKASHI
IPC: H04N7/173
Filed: 2001-04-24
Abstract: PROBLEM TO BE SOLVED: To provide a system, with which the sending order of multimedia data can be controlled on the side of a server. SOLUTION: The storage device of the server device for accepting a request from a client device connected to a network and sending document data and multimedia data such as image data to be referred to by the document data is made have data to be used for determining the sending order of the multimedia data in addition to the descriptions of a destination to refer to the relevant multimedia data and the server device is provided with a means for controlling the sending order of multimedia data to be referred to for the document data.
Patent JP-2002324709-A (JP)
Title: Solenoid
Inventor: OTSU ISAO
IPC: H01F7/16
Filed: 2001-04-24
Abstract: PROBLEM TO BE SOLVED: To reduce noises which are made when a plunger is attracted. SOLUTION: An actuator 3 of resin is coupled to the tip of a reciprocated plunger 2 protruding partially from a solenoid 1, and the solenoid 1 controls the reciprocating movement of an object 4 through the intermediary of the actuator 3. The actuator 3 has two legs 5 on both its sides, and the legs 5 hit the sides of the solenoid 1 on an actuator side substantially at the same time when the plunger 2 is attracted by the solenoid 1. The two legs 5 are arranged along the diagonal lines of the nearly square part 6 of the end face of the solenoid 1 on an actuator side.
Patent JP-2002001512-A (JP)
Title: Mold for inserting attached fittings composed of dissimilar metals
Inventor: ISHIHARA YASUYUKI
IPC: B29K105/24
Filed: 2001-04-26
Abstract: PROBLEM TO BE SOLVED: To provide a mold for inserting attached fittings composed of metals dissimilar to each other which cause little deformation, peeling or breakage. SOLUTION: As a material for the attached fittings a metal is selected which differs from the material of the mold and has a precipitation hardening temperature area in the range of the melting and solidification temperatures of the metallic material of the mold. The attached fittings are precipitation-hardened by utilizing the sensible heat of the molten metal during mold casting and are inserted in the mold.
Patent JP-2002327780-A (JP)
Title: Disc brake
Inventor: OSHIMA HARUMI
IPC: F16D66/02
Filed: 2001-04-27
Abstract: PROBLEM TO BE SOLVED: To provide a disc brake capable of preventing not only generation of juddering vibration resulting from a dragging motion of a friction pad but also generation of a clonk resulting from transfer of the friction pad. SOLUTION: In a calliper floating type disc brake in which the front end 34 of a plate spring 30 attached to a backing plate 21 of respective friction pads 3, 4 is arranged to abut against a carrier 1 and the respective friction pads 3, 4 are separated from a disc rotor D by the urging force of the plate spring 30, regarding the plate spring 30, the front end 34 forming a turned back end of a bend 33 extended from a fixed part 32 fixed by caulking on the back face of the disc rotor rotating-in side to the axial outside of the disc rotor D is set to abut against the carrier 1 through a pad spring 5. An engaging piece 37 engaging with an erected piece 36 of the extremity of the plate spring 30 is formed in the pad spring 5, the respective friction pads 3, 4 are always extruded onto the disc rotor rotating-out side to bring it into contact with the torque receiving face of the carrier 1.