baber/WOPTO huggingface dataset:
Patent JP-2001027166-A (JP)
Title: Fuel injection valve
Inventor: JONAS STEPHAN
IPC: F02M45/08
Filed: 2000-07-03
Abstract: PROBLEM TO BE SOLVED: To provide a fuel injection valve having a function as a double spring type holder and a simple structure and capable of being manufactured at a low cost by connecting a buffer volume functioning against the opening stroke of the valve member of the fuel injection valve to a fuel inflow section via a restriction. SOLUTION: A nozzle needle 1 applied with downward pre-load force 10 is inserted into the guide hole 20 of a nozzle body 2 in this fuel injection valve, and the fuel injection valve is closed when the tip section 5 of the nozzle needle 1 abuts on a seat section 6. The nozzle needle 1 has three segments 12-14 different in diameter respectively, and the difference between diameters d3 and d2 is connected by a taper section 19 faced to a pressure chamber 4 where a fuel inflow section 3 formed on the nozzle body 2 is opened. The difference between diameters d3 and d4 forms a step on the opposite side to the pressure chamber 4, a buffer volume 16 is formed on the step, and the buffer volume 16 is connected to the fuel inflow section 3 via a hole 15 having a restriction position 17.
Patent JP-2002026330-A (JP)
Title: Thin film transistor and liquid crystal display element
Inventor: NAKAMURA WAKICHI
IPC: H01L29/786
Filed: 2000-07-06
Abstract: PROBLEM TO BE SOLVED: To provide a thin film transistor in which less etching residue of a semiconductor film is left on the stepped section of a gate electrode and the leakage currents between source and drain electrodes is reduced. SOLUTION: This thin film transistor is provided with a substrate 1, a gate electrode 2 formed on the substrate 1 and composed of a metal, and a first insulating film 3 which is formed on the electrode 2 by anodically oxidizing the metal. The transistor is also provided with a second insulating film 4 formed on the first insulating film 3, semiconductor films 5 and 6 formed on the second insulating film 4, and source and drain electrodes 9 and 8 separately formed on the conductor film 6. In the transistor, the ratio (D/T) of the distance(D) between the source and drain electrodes 9 and 8 to the total film thickness(T) of the gate electrode 2 and first insulating film 3 is adjusted to 20-25.
Patent JP-2002019685-A (JP)
Title: Front wheel driving power-assisted bicycle
Inventor: TANAKA TATEAKI
IPC: B62H1/02
Filed: 2000-07-06
Abstract: PROBLEM TO BE SOLVED: To provide a front wheel driving power-assisted bicycle being safe in driving and running even while a stand is erected during stop and a rear wheel floats during running on a bumpy road. SOLUTION: In this front wheel driving power-assisted bicycle, a main frame 1 of a bicycle main body, a head pipe 2, and a seat tube 3 are mutually connected. A handle 12 and a front wheel 5 are attached to the head pipe 2, and a panellike casing 20 incorporating a motor is provided in a part of a rotary shaft 10 in a hub of the front wheel 5. Moreover, the rear wheel 6 supported on a frame 15 of the rear wheel is rotated by a driving force in a human power driving part. A means for detecting ascent and descent conditions of the stand is provided in a mechanism of the stand 19, and conducting electricity to the motor built in the panellike casing 20 is stopped when the means detects the descent condition of the stand.  Moreover, a means 18 for detecting a floating condition of the rear wheel is provided in the frame 15 of the rear wheel, and conducting an electric current to the motor built in the panellike casing 20 is stopped when the detection means 18 detects the floating condition of the rear wheel.
Patent JP-2002025964-A (JP)
Title: Method of manufacturing semiconductor device
Inventor: HARA KOJI
IPC: H01L21/3213
Filed: 2000-07-04
Abstract: PROBLEM TO BE SOLVED: To protect electrodes or wirings formed of high-melting metal nitride against etching at cleaning after the electrodes or wirings are formed in the manufacture of a semiconductor device provided with the electrodes or wirings formed of high-melting metal nitride. SOLUTION: A semiconductor device manufacturing method comprises a first process of forming conductor films that contain high-melting point nitride films on a semiconductor substrate, a second process of patterning the conductor films into required forms, and a third process of cleaning the patterned conductor films. A cleaning solution used in the third process of cleaning the patterned conductor films is a mixed solution of quaternary ammonium hydroxide represented by general formula, [(R1)nN(R)4-n]+OH- (R1 is a 1-2C alkyl group, R is a 1-2C alkyl group or a 1-2C hydroxy-substituted alkyl group, and R1 and R may be identical to each other or different from each other. n is an integer of 1 to 3), a hydrogen peroxide solution, and pure water.
Patent JP-2002019873-A (JP)
Title: Tape cassette storing case
Inventor: NARISAWA ATSUSHI
IPC: B65D85/575
Filed: 2000-07-07
Abstract: PROBLEM TO BE SOLVED: To provide a tape cassette storing case capable of surely protecting a tape cassette, and having high reliability. SOLUTION: A first elastic member 20 is fitted into the inner circumferential side of a main body 11 of an outer casing 10, and a second elastic member 30 is fitted into the inner circumferential side of a lid 13 of the outer casing 10. It is so designed that when the main body 11 of the outer easing 10 and the lid 13 thereof are allowed to abut against each other, a storing portion where a tape cassette is stored is formed with a recess 21 provided in the first elastic member 20 and a recess 31 provided in the second elastic member 30.  Further, a plurality of protrusions 23, 33 are provided in advance on a circumferential wall of the recess 21 and on a circumferential wall of the recess 31, respectively, and it is so designed that the tape cassette is held by elastic displacement which at least part of these plural protusions 23, 33 make under the condition that the tape cassette is stored in the storing portion.
Patent JP-2002018668-A (JP)
Title: Positioning device for conveying carriage
Inventor: FUJIWARA KAZUHIRO
IPC: B23Q7/00
Filed: 2000-07-10
Abstract: PROBLEM TO BE SOLVED: To provide a positioning device for a conveying carriage capable of certainly stopping the conveying carriage at a machining position at which the conveying carriage abuts on a stopper without positional displacement. SOLUTION: This positioning device 2 of the conveying carriage 1 positions the conveying carriage 1 capable of running along a conveying passage 11 at a predetermined machining position. On the conveying passage 11 side, the stopper 21 for abutting on the conveying carriage 1 at the machining position X to stop the running of the conveying carriage 1. The conveying carriage 1 is provided with a positioning pin 23 lockable and unlockable on or from a locking hole 13 disposed on the conveying passage 11 side at the machining position X, and a pulling means 25 for pulling the conveying carriage 1 to the stopper 21 side to forcibly allowing the carriage 1 to abut on stopper 21.
Patent JP-2002025874-A (JP)
Title: Single-crystal wafer and solar cell
Inventor: OMI TADAHIRO
IPC: H01L31/04
Filed: 2000-07-10
Abstract: PROBLEM TO BE SOLVED: To reduce losses in a single-crystal raw material by providing a single- crystal wafer which can withstand the device process, even if its thickness is small and to provide an MIS semiconductor device or a solar cell at a low cost by using such a wafer. SOLUTION: The main face of the single-crystal wafer is a plane, having a tilting angle with respect to the [100] axis of the single crystal of α(0 deg.<α<90 deg.) in the [011] direction, β (0 deg.<β<90 deg.) in the [01-1] direction or γ(0 deg.<=γ<45 deg.) in the [10-1] or [101] direction or is a face which is equivalent to these faces.
Patent JP-2002025064-A (JP)
Title: Recorder, method for recording and recording medium
Inventor: SHIMIZU YASUNARI
IPC: G11B7/0045
Filed: 2000-07-12
Abstract: PROBLEM TO BE SOLVED: To increase the linear density of a recording medium. SOLUTION: The recording device for recording a signal on the basis of a reference clock by using an optical disk 101 whereon the signal is recorded with the specified linear density on the signal recording surface, is provided with an optical pickup 11 for recording the signal along a recording track of the optical disk 101 and a control part 61 for controlling so as to record the signal with the density higher than the specified linear density.
Patent JP-2001078922-A (JP)
Title: Toilet seat, toilet lid or attachment thereof
Inventor: SOMENO TARO
IPC: A47K13/02
Filed: 2000-07-13
Abstract: PROBLEM TO BE SOLVED: To provide a toilet seat or toilet lid or an attachment thereof excellent in resistance to surface scratches. SOLUTION: This toilet seat 1 or toilet lid 2 or an attachment thereof is such that the rate of decrease in surface glossiness (value measured at an incident angle of 60 degrees and a light receiving angle of 60 degrees according to JIS K7105) is 10% or less when a steel ball manufactured from injection molding of a polypropylene resin and having a diameter of 2 cm with a weight of 2 kg placed on toilet paper wound in triple layers thereon is made to reciprocate 10 times over a distance of 100 mm. A nonionic surfactant and, if necessary, a skid are added in predetermined amounts to the polypropylene resin and the steel ball is manufactured by injection molding thereof.
Patent JP-2002028418-A (JP)
Title: Fuel filter and fuel supplying device using the same
Inventor: YAMADA KATSUHISA
IPC: F02M37/10
Filed: 2000-07-13
Abstract: PROBLEM TO BE SOLVED: To provide a fuel filter formable into an optional shape and a fuel supplying device using the fuel filter. SOLUTION: This fuel filter 40 is arranged on the fuel inflow side of a pump main body to surround the outer periphery of the pump main body. The cylinder part 43 of a core member 41 is mainly constituted of fine resinous materials extended in the axial direction and fuel is made to pass through gaps formed between the adjacent resinous materials. A filter main body 50 has an inner peripheral filter layer 51 formed on the inner peripheral side close to the part 43 of the body 50 and an outer peripheral filter layer 52 formed on the outer peripheral side of the layer 51. The layer 51 is denser than the layer 52. The filter 40 is obtained by immersing the member 41 in the aqueous solution where a fibrous material having the composition of the layers 51 and 52 is dissolved and forming the layer 51 and the layer 52 in this order while sucking the aqueous solution.
Patent JP-2002030321-A (JP)
Title: Method and apparatus for desulfurizing molten iron
Inventor: TADAMA TOMOAKI
IPC: C21C1/02
Filed: 2000-07-14
Abstract: PROBLEM TO BE SOLVED: To provide a method and an apparatus for desulfurizing molten iron by which even in the case of desulfurizing the molten iron by stirring the molten iron with impeller blades at low rotating speed, the desulfurizing efficiency can be secured as the conventional manner and the service life of the impeller blades can be extended than the conventional manner. SOLUTION: In the desulfurizing apparatus provided with an almost round shape cross sectional refining vessel for holding the molten iron, a desulfurizing agent charging means for adding desulfurizing agent into the molten iron and the impeller having plural pieces of blades and dipping a rotating shaft as almost vertical state into the molten iron and rotating, at least one piece of blade among plural pieces of blades is positioned at higher than the other blades.
Patent JP-2002030601-A (JP)
Title: Track truck system furnished with rail turnout
Inventor: IZUMI TAKANORI
IPC: B61B13/00
Filed: 2000-07-14
Abstract: PROBLEM TO BE SOLVED: To swing a branching member 12 provided between a main way and a branch way of a travelling rail 1 of a track truck between a position on the main way side of a continuous line and a position on the branch way side of a chain line through a crankshaft, an intermediate link 22 and a link 24 on the branch way side by a driving motor 16 and to energize the crankshaft by a spring by holding and moving it with a play by a crank holder 18. SOLUTION: The spring energizes the branching member in opposite directions at the position of the main way side and the position of the branch way side as the crank holder rotates at 180 deg. between the position of the main way side and the position of the branch way side. The branch member takes a right position even when stopping precision of the driving motor is low. Consequently, it is possible to certainly shift the branching member between the position of the main way side and the position of the branch way side. Additionally, vibration due to travelling of the track truck is damped by the spring and hardly transmitted to the driving motor.
Patent JP-2002031302-A (JP)
Title: Support structure for heat transfer pipe
Inventor: MATSUO TETSUYA
IPC: F22B37/20
Filed: 2000-07-14
Abstract: PROBLEM TO BE SOLVED: To provide a support apparatus for a heat transfer pipe for supporting a heat transfer pipe of a heat exchanger in a rear flue section in a boiler with the aid of a suspension fitment, in which erosion is prevented from occurring, using a simplified structure. SOLUTION: When a heat transfer pipe is supported with a pair of side plates, extending to the left and right sides in the vertical directions and a reception plate disposed below each heat transfer pipe, the reception plate is disposed, directed in the vertical directions in its plate width direction to support the heat transfer pipe from a lower portion at an end surface of the plate, whereby ash is prevented from depositing because of a narrow area and erosion is prevented from occurring. Furthermore, the plate width direction of the reception plate is disposed vertically, whereby the secondary moment of a vertical cross section is increased to improve the strength of the support structure.
Patent JP-2002033016-A (JP)
Title: Polymer solid electrolyte and secondary battery
Inventor: HIBARA AKIO
IPC: H01G11/54
Filed: 2000-07-14
Abstract: PROBLEM TO BE SOLVED: To provide a polymer solid electrolyte with high ionic conductivity, high electrochemical stability, and high stability in a charged state, and provide a secondary battery with high performance using the polymer solid electrolyte. SOLUTION: This polymer solid electrolyte contains a salt of Group Ia metal in the periodic table in a polymer compound having acid anhydride structure, and this secondary battery uses this polymer solid electrolyte.
Patent JP-2002030957-A (JP)
Title: Traction control device for vehicle
Inventor: IRIE YOSHIRO
IPC: B60T8/175
Filed: 2000-07-17
Abstract: PROBLEM TO BE SOLVED: To reliably prevent worsening of behavior of a vehicle due to cut off of fuel feed as a problem, such as the excessive increase of the temperature of an exhaust gas purification catalyst, is prevented from occurring. SOLUTION: A slip ratio SLi of each wheel is computed (S60). Based on a drive slip ratio SLi, it is discriminated (S70) whether a drive slip is excessive. Discrimination (S80) of whether a vehicle is in a given turn state, discrimination (S90) of whether a vehicle is in a starting acceleration state at a so-called straddle road, and discrimination (S100) of whether a vehicle is in a state to protect a drive system, such as a differential, are executed. When a drive slip is excessive and there is a fear for behavior to be worsened due to a turn, a feed of fuel to an engine is cut off until a fear for behavior to be worsened is eliminated, and the occurrence of a drive slip due to reduction of a drive force is reduced (S120-S140). After the execution of fuel feed cut, fuel feed cut is executed for a given time (S40 and S50).
Patent JP-2002033819-A (JP)
Title: Communication apparatus
Inventor: KAWAKAMI RYOTA
IPC: H04W88/02
Filed: 2000-07-17
Abstract: PROBLEM TO BE SOLVED: To provide a communication apparatus that realizes an effective utilization of a memory capacity without the need for unnecessary communication history information and allows a user to be able to obtain true communication history information as required from a dummy communication history information. SOLUTION: The communication apparatus has a memory 5 for storing communication history information and a display section 7 that displays the communication history, and accepts a mode setting by a user where storage of the communication history information to the memory is inhibited by using an operation section 6 and the communication history information acquired through the communication processing is discarded without being stored in the memory 5.  The communication apparatus converts (27) the acquired communication history information into dummy communication history information whose contents differ from those of the acquired communication history information, stores the true communication history information and the dummy communication history information in cross-reference with each other, display the dummy communication history information onto a display section usually and outputs the true communication history information on the display section in response to the entry of password information from the user.
Patent JP-2002028962-A (JP)
Title: Apparatus for manufacturing plastic tube provided with inner face treating function, and method for manufacturing inner face-treated plastic tube using the apparatus
Inventor: KOINUMA HIDEOMI
IPC: B29C59/14
Filed: 2000-07-18
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus for manufacturing a plastic tube whose inner face is treated by atmospheric pressure grow discharge plasma by which even a tube being inexpensive and with a wide width in a continuous length can be continuously wound and a method for manufacturing the same. SOLUTION: The apparatus for manufacturing the plastic tube provided with an inner face treating function characterized by an apparatus provided with an extruder with an annular die and nip rolls for taking up a plastic tube extruded from the annular die and solidified by cooling at a specified speed and provided with a gas feeding line for feeding a gas for generating glow discharge plasma or a mixed gas of the gas for generating the glow discharge plasma and a treated gas into a closed space formed by pinching the plastic tube by means of nip rolls when it is operated and provided with an earthed earth electrode and a high voltage side electrode connected with a high voltage side AC electric source and generating the atmospheric pressure glow discharge plasma in the plastic tube by applying an AC electric voltage between the earth electrode and the high voltage side electrode,  is provided.
Patent JP-2002031797-A (JP)
Title: Liquid crystal display device and method of manufacturing the same
Inventor: HORIGAMI SHINICHI
IPC: G02F1/1368
Filed: 2000-07-18
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal display device capable of displaying in reflection mode having bright and excellent visibility and having high electrical reliability and to provide its manufacturing method. SOLUTION: In the liquid crystal display device having a reflection region for performing reflection mode display in respective plural pixel regions, a reflection electrode 32 is provided so as to form a superposing region including at least one of a first superposing region where the reflection electrode 32 is superposed on a region where a signal wiring 4 and a scanning wiring 2 intersect each other and a second superposing region where the reflection electrode 32 is superposed on a thin film transistor 26. The height of the recessed part of a recessed and projecting surface of an interlayer insulating film 30 positioned in the superposing region is higher than that of the recessed part of a recessed and projecting surface formed in a region other than the superposing region in the reflection area.
Patent JP-2002037430-A (JP)
Title: Suspension type conveyer belt and suspension type conveyer device using it
Inventor: SATOZONO MASANARI
IPC: B65G17/00
Filed: 2000-07-21
Abstract: PROBLEM TO BE SOLVED: To provide a suspension type conveyer belt capable of being thoroughly sterilized and disinfected in carrier portions coming in contact with food and carrying the food maintaining sanitary states at all times and to provide a suspension type conveyer device using it. SOLUTION: This suspension type conveyer device is constituted of a conveyer part comprising the suspension type conveyer belt formed by continuously disposing multiple units, which are constituted by connecting together the bottoms of a pair of suspension members 1 having suspension hook parts 5 in the upper ends by pins 11 and 12 composing a carrier face; and a drive parts 15 attached to one or several portions of the conveyer part, abutting on the suspension members 1, and moving them in the one direction.
Patent JP-2002035705-A (JP)
Title: Washing method for moisture-curable composition and washing agent
Inventor: KUSUDA SATOSHI
IPC: C11D17/08
Filed: 2000-07-24
Abstract: PROBLEM TO BE SOLVED: To provide a washing method and a washing agent capable of easily removing an adhering material adhering to object bodies such as production apparatuses, coating apparatuses and their peripheries after production or use of a moisture-curable composition containing a modified silicone polymer having a hydrolyzable silyl group as a reactive component. SOLUTION: The washing method for a moisture-curable composition containing a polymer having a hydrolyzable silyl group as a reactive component comprises a step of causing a reaction of a washing agent containing a functional group reactive with the hydrolyzable silyl group in the molecule and preferably in liquid phase at a normal temperature with the moisture-curable composition adhering to an object body to which the composition adheres before the moisture-curable composition is cured by moisture. The washing agent is to be employed for the washing method and has the functional group reactive with the hydrolyzable silyl group in the molecule.
Patent JP-2002039810-A (JP)
Title: Method of state inspection for civil.construction structure, its system, and sensor integrated device used to it
Inventor: OKI SHINJI
IPC: G01N27/00
Filed: 2000-07-24
Abstract: PROBLEM TO BE SOLVED: To provide a method of state inspection for a civil.construction structure not requiring troublesome work such as setting up of staging in inspection, capable of inspecting the inside state of a structure in addition to its surface, and surely inspecting without miss a minor defect or a chemical condition change usually difficult to visually confirm, and provide its system. SOLUTION: Plural function sensors for detecting an analog quantity of state existing in each part of the civil.construction structure are buried over the whole region of a inspection target in the civil.construction structure B, inspection information obtained by adding identification ID identifying each sensor to the quantity of state detected with the corresponding function sensor is transmitted to a moving body M by using a electromagnetic wave irradiated from the moving body M as a power source, and inspection information collected in non-contact in the moving body M is analyzed to inspect a state existing in each part of the civil.construction structure.
Patent JP-2002037775-A (JP)
Title: Method for recovering carbazole
Inventor: SENZAKI TOSHIHIDE
IPC: C07D209/84
Filed: 2000-07-25
Abstract: PROBLEM TO BE SOLVED: To efficiently adsorb and separate carbazole from a mixture containing the carbazole and further anthracene, phenanthrene, or the like. SOLUTION: An aromatic hydrocarbon mixture containing the carbazole is brought into contact with a faujasite type zeolite adsorbent to separate and recover the carbazole by an adsorptive separating method. Y faujasite type zeolite substituted with sodium or potassium ions is cited as a perferred faujasite type zeolite adsorbent.