baber/WOPTO huggingface dataset:
Patent JP-H11100351-A (JP)
Title: Purification of benzyl acetate
Inventor: WATANABE MASATO
IPC: C07C69/157
Filed: 1997-09-30
Abstract: PROBLEM TO BE SOLVED: To obtain the subject compound in high yield by distilling crude benzyl acetate over an alkali metal compound. SOLUTION: Crude benzyl acetate containing 0.01-10 wt.% of impurities selected from phenyl acetate derivatives as cresyl acetate, phenol derivatives as cresol, and carboxylic acids as the total weight is distilled with heat over an alkali metal compound as sodium methoxide, for example, at 20-300 deg.C distillation column bottom temperature at a reduced pressure of 760 mm-0.01 mm Hg. During the purification, the impurities form alkali salt from the alkali metal compound and are separated as residues whereby the impurities are reduced in the range from 1-1,000 ppm and benzyl acetate of high purity is obtained.
Patent JP-H0797964-A (JP)
Title: Intake air heating device
Inventor: EGUCHI TORU
IPC: F02M31/135
Filed: 1993-09-29
Abstract: PURPOSE:To improve the heating efficiency of mixtured gas to be supplied form a carburetor and perform efficient vaporization of liquidified fuel under non-vaporized conditions. CONSTITUTION:This device is provided with a pair of radiation boards 11, 12 fitted to the inner circumferential wall part of intake pipe 2 which connects the intake passage of carburetor to the intake port of cylinder of an engine, through flange parts 11b, 12B formed integrally with plate parts 11A, 12A, and a PTC heat emmitting element 15 being pressure contacted with the upper faces of the flange parts 11B, 12B of the flanges 11, 12 of the radiation boards and generating heat with current supply from a battery. The plate parts 11A, 12A constituting the respective radiation boards 11, 12 are disposed at the positions where mixed gas or liquidified guel in the intake pipe 2 flows maximum, and the flange parts 11B, 12B constituting the respective radiation plates 11, 12 are partially protruded in the inward direction of the intake pipe 2.
Patent JP-H11175444-A (JP)
Title: Preparation of terminal to be used in system, system and terminal
Inventor: GUYOT GILBERT
IPC: H04L12/28
Filed: 1998-09-21
Abstract: PROBLEM TO BE SOLVED: To avoid a failure from taking place during installation that demands a user for minimum skillfullness degree and time by storing an access code that regulates the addresses of plural access points in the terminal memory of a non-mechanical memory. SOLUTION: This system includes a terminal 1 which is connected to a telephone network 3 through a telephone line 2 and an accessing means 5 which is connected to the network 3 through a telephone line 4. The network 3 includes an exchange 41 that is connected to network memory 43 which is controlled by a network processor 42. More than one access code is selected from many access codes that regulate the addresses of plural access points and the selected access codes are stored in terminal memory that is non- mechanical memory. Thus, more than one access code that regulates the address of an access point such as the telephone number of an access provider is selected and is stored together with software that carries out a protocol in the non-mechanical terminal memory.
Patent JP-2000100336-A (JP)
Title: Barrier rib substrate for image display device and its manufacture
Inventor: INOUE RYOJI
IPC: H01J11/36
Filed: 1998-09-21
Abstract: PROBLEM TO BE SOLVED: To put to practical use a barrier rib substrate with insulation proper ties improved to solve a problem of dielectric breakdown, by forming roundness with a radius of a specific value or more at corner parts. SOLUTION: A band steel with a composition of Fe-48% Ni is etched by spray-etching with a solution of FeCl3 to form a metallic barrier rib substrate having a thickness of 0.15 mm and a cross section with a radius of about 2 μm at a corner part 1. When the corner part 1 is worked by wet-sandblasting with fine powder of alumina, the radius, of roundness at the corner part 1, is adapted to 4, 7, or 11 μm, by adjusting the working time. Next, the metal substrate is formed into a film with Al2O3 into about 3 μm thickness at the corner parts 1 through sputtering. Thus, the corner part 1 is formed into roundish shape extending from a surface 2 of the metal barrier rib substrate apart from a corner, what if a etching hole being rectangularly formed, by 3 μm to an inner surface 3 of the etching hole apart from the corner by 3 μm.  The roundness of the corner part 1 is specified to have a radius of 3 μm or more.
Patent JP-H06337310-A (JP)
Title: Optical multilayer film, film forming method, and film forming device therefore
Inventor: KORENAGA TSUGUHIRO
IPC: C23C14/50
Filed: 1993-10-25
Abstract: PURPOSE:To provide a technique to produce an optical multilayer film of a large area which is required with high accuracy for film thickness. CONSTITUTION:A substrate 59 on which a film is formed is mounted on a rotating dome 58 and an optical multilayer film is formed on the substrate 59 by using vaporized particles 56 from the source for vapor deposition. In this process, the rotating dome 58 is driven and rotated without causing eccentricity from the rotation axis by using position controlling means 511 disposed at about 120 degree interval around the rotating dome. Thus, uneven distribution of film thickness which is conventionally caused among substrates held in the circumferential direction of the rotating dome 58 can be decreased, and an optical multilayer film of a large area can be obtd. with little variation of optical characteristics.
Patent JP-H11107894-A (JP)
Title: Ignition timing control device for internal combustion engine
Inventor: TSUKAMOTO KEISUKE
IPC: F02P5/15
Filed: 1997-09-30
Abstract: PROBLEM TO BE SOLVED: To produce a decelerating feeling according to the deceleration demand of a driver in the fully closed state of a throttle valve. SOLUTION: In an ECU 41, it is detected by an idle switch 23 that a throttle valve 8 is in a full closed position, and when it is detected by a car speed sensor 29 that a car speed exceeds a given value, it is detected by a brake switch 31 that brake operation is effected. When it is detected by a shift position sensor 30 that the shift lever of an automatic transmission is set to a range other than a drive range, an ignition timing for idle is selected as an ignition timing, and ignition is effected by an ignition plug 12. Thereby, in the full closed state of the throttle valve, output torque of an internal combustion engine is reliably reduced according to a deceleration demand and the deceleration feeling of a vehicle is further produced.
Patent JP-S62125514-A (JP)
Title: Magnetic head and its production
Inventor: YAMAMOTO TATSUSHI
IPC: G11B5/187
Filed: 1985-11-26
Abstract: PURPOSE:To increase the efficiency of the titled head by holding both sides of a soft magnetic metal which is formed in a width corresponding to the track width, at the direct contact part with a recording medium, with magnetic bodies having wear resistance and consisting of the same material. CONSTITUTION:The first groove 8a is worked on the surface of a polycrystal Mn-Zn ferrite substrate 8, the base material 9 of uncrystallized photosensitive crystalizable glass is placed thereon, and the material is heat-treated under pressure to mold the base material 9. Then the parallel second groove 10a is worked at the same pitch as the first groove 8a, one surface 10 formed on the second groove 10a is formed at right angles to the inclined plane of the first groove 8a, and further an FeAlSi alloy thin film 12 having a thickness corresponding to the track width 11 is formed by sputtering, etc., on the ferrite 8 and the surface 10 with the exposed glass 9. Then the second groove 10a coated with the thin film 12 is molded and crystallized with a photosensitive crystallized glass base material 9'. Consequently, the polycrystal MnZn ferrite 8 is brought into direct contact with the FeAlSi alloy thin film 12, and the head in an excellent magnetic coupling state is obtained.
Patent JP-H03131479-A (JP)
Title: Power tool
Inventor: SOSHIN KOJI
IPC: B25B21/00
Filed: 1989-10-14
Abstract: PURPOSE:To automatically align screw heads and save a work trouble by providing a control means for controlling the output shaft of a motor for the rotation thereof in a stepping mode via the operation of a selector switch during motor rotation. CONSTITUTION:A power tool tightens screws as a normal tool, and the rotation of a motor 2 is selected to a stepping mode via a selector switch 12 at the time of the final positioning of the screws, thereby aligning screw head. As a result, manual work conventionally required for screw head alignment can be eliminated and the power tool can be used instead for continuous alignment work, thereby saving a work trouble.
Patent JP-H08118001-A (JP)
Title: Optical beam heating device
Inventor: UEDA MASAYOSHI
IPC: H01J37/30
Filed: 1994-10-31
Abstract: PURPOSE: To provide an optical beam heating device capable of reducing the preheating time, and early stabilizing the output after the preheating. CONSTITUTION: The temperature in a light emitting lamp 1 can reach the thermally saturated temperature in a short time during the preheating time by providing a delay circuit 16 to the rear stage of a current detecting circuit 13, and providing a temperature detecting element 17 in the vicinity of the light emitting lamp 1 to stop a cooling for 6 for a certain period of time until the delay is made by actuating the delay circuit 16 after the light emitting lamp 1 is lit or the temperature detecting element 17 is actuated. As a result, the quantity of light emission of the light emitting lamp 1 can be stabilized within several minutes, and the light energy incident on a light receiving end 9a of an optical fiber can be constant.  Thus, the preheating time can be reduced, the output after the preheating can be stabilized early, and the constantly stabilized heating characteristic can be obtained.
Patent JP-H08128605-A (JP)
Title: Combustion device
Inventor: NAKAGAWA SHINYA
IPC: F23D11/00
Filed: 1994-10-31
Abstract: PURPOSE: To maintain good combustion condition for a long period of time by a method wherein the production of tar is restrained and a poor evaporation is prevented. CONSTITUTION: An evaporating chamber 16 is formed on a burner receiving seat 11, provided with a burner unit 23, put thereon, and a heater 19, while a nozzle unit 13 is provided at the substantially center of the burner receiving seat 11 through the outlet port side of the evaporating chamber 16, further, an opening unit for primary air is provided on the burner receiving seat 11 so as to be positioned at the outer periphery of the nozzle unit 13 and the inside of the burner receiving seat 11. On the other hand, the nozzle unit 13 is connected to the end of a rib unit 21, formed integrally with the burner receiving seat 11.  Accordingly, heat from the burner receiving seat 11 can be transferred to the nozzle unit 13 efficiently and the temperature of the outlet port side of the evaporating chamber 16 and the nozzle unit 13 can be increased further whereby the production of tar can be prevented, tar preventing property is improved, a poor evaporation is prevented and excellent combustion condition can be maintained for a long period of time as a result.
Patent JP-H08121176-A (JP)
Title: Intake device for internal combustion engine
Inventor: MATOBA SHIGEHIRO
IPC: F02B31/00
Filed: 1994-10-31
Abstract: PURPOSE: To obtain an intake device for an internal combustion engine which can improve combustion efficiency by promoting mixing of air and fuel under a low load state. CONSTITUTION: An intake passage 4 connected to an intake port 6 of a cylinder head 5 is composed of a main intake passage 4a of a large diameter and a subsidiary intake passage 4b of a small diameter, arranged parallelly to the main intake passage 4. Intake is supplied to a cylinder S through the subsidiary intake passage 4b under a low load state. In such an internal combustion engine, a swirl generator 15 is arranged along the subsidiary intake passage 4b for generating spiral intake flow.
Patent JP-H10111517-A (JP)
Title: Liquid crystal display device
Inventor: SHIMIZU ATSUSHI
IPC: G02F1/1333
Filed: 1996-10-08
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal display device capable of obtaining a large-sized screen which is easy to see and does not have unnaturality even when many substrates are arranged. SOLUTION: Film substrates are used instead of glass substrates in a SEG (lower side electrode) substrate 11 and a COM (upper side electrode) substrate 12 and the SEG substrate 11 is dent downward at parts of dotted lines 4 and the COM substrate 12 is also bent downward at parts of dotted lines. Consequently, only an effective display area 13 is made to be positioned at an upper surface and electrode laying parts 14-1, 14-2, 14-3, 14-4 and electrode connecting parts 15-1, 15-2, 15-3, 15-4 of the SEG substrate 11 and electrode laying parts 14-5, 14-6, 14-7 and electrode connecting parts 15-5, 15-6, 15-7 of the COM substrate 12 are all bent downward to be made to be positioned at side faces.
Patent JP-H03126991-A (JP)
Title: Display system for information processor
Inventor: MATSUBARA KIYOTAKA
IPC: G06F17/21
Filed: 1989-10-12
Abstract: PURPOSE:To allow the diversified expression of rule colors by providing a rule color register which is an I/O register and a subordination mode register which determines whether the rule color complies with the rule color register or a character color. CONSTITUTION:An attribute code 12 is transferred from an attribute code storage memory 1 into an attribute synthesizing circuit 2 which outputs a display signal 16 to display the rule by rule color information 15 for a character pattern 11. On the other hand, an rule color set value 13 and a subordination signal 14 indicating whether the rule color complies with the rule color set value 13 or the character color are respectively transferred from the rule color setting register 3 which is the I/O register and the subordination register 4 in addition to the attribute code 12 to a rule color determining circuit 5. The rule color information 15 which is the determined result is transferred to the attribute synthesizing circuit 2 by which the display signal 16 synthesized with the rule on the character pattern 11 is formed. The diversified rule colors are obtd. in this way.
Patent JP-H10113895-A (JP)
Title: Punched scrap removal tool
Inventor: KATAYAMA ISAMU
IPC: B26D7/18
Filed: 1996-10-08
Abstract: PROBLEM TO BE SOLVED: To precisely support a sheet material without producing displacement and a seam even with pliable sheet material thin paper, etc., by providing a pressing plate to clamp and support the sheet material by pressing it on a mold plate by positioning it against the mold plate free to approach and part from it. SOLUTION: A sheet material 11 is held and supported along an overall region from which refuse is removed between a lower surface of a pressing plate 27 of a template 24 and a mold plate 41 of a female mold 22 as the lower surface of the pressing plate 27 of the template 24 makes contact with an upper surface of the sheet material 11 and a coil spring 31 is compressed as it is further lowered. Consequently, even in the case when the sheet material 11 is pliable paper such as thin paper, etc., it is possible to certainly support it without producing a seam and displacement of refuse is never slipped. Thereafter, a contact part 36 of a punching member 25 hits a central part of refuse, pushes down refuse and extracts and drops it over a projection part 45 of the mold plate 41.
Patent JP-H07123583-A (JP)
Title: Abnormality detector for motor
Inventor: JOSA HIROTAKA
IPC: H02H7/085
Filed: 1993-10-26
Abstract: PURPOSE:To provide an abnormality detector for a motor, which detects various abnormalities of a motor positively and stops the motor while suppressing the erroneous operation. CONSTITUTION:A relay contact (r) is provided at an input terminal of an abnormality detector A connected with a series circuit of a relay Ry and a transistor Q1. Upon turn ON of the transistor Q1, the relay Ry is driven to close the relay contact (r). The voltage V1 across a resistor R1 for detecting the driving current flowing into the ground terminal OUT2 on the output side is fed to comparators IC1, IC2, IC3. Each comparator IC1, IC2, IC3 compares the voltage V1 with a reference voltage being set depending on the failure mode of a motor 9. Upon decision of failure, the transistor Q1 is turned OFF to open the relay contact (r) thus interrupting power supply to the motor 9.
Patent JP-H11110745-A (JP)
Title: Magnetic recording medium
Inventor: SHIMIZU SATOSHI
IPC: G11B5/708
Filed: 1997-09-30
Abstract: PROBLEM TO BE SOLVED: To provide a tape-like magnetic recording medium whose travel stability and travel durability improve. SOLUTION: Bend rigidity DL in the longitudinal direction of the magnetic recording medium and bend rigidity DW in a width direction satisfy a formula (I) and a formula (II). The amount of fatty acid ester lubricant extracted by immersing the magnetic recording medium in n-hexane at 25 deg.C for one minute is set to be 5-550 mg/m<2> . The surface electric resistance of a magnetic layer-side in the recording medium is set to be 10<6> -10<10> Ω/(square).
Patent JP-H05106690-A (JP)
Title: High load transmitting toothed belt
Inventor: KAWAHARA HIDEAKI
IPC: D02G3/28
Filed: 1991-10-16
Abstract: PURPOSE:To improve a life by burying an alamide fiber core material along a bottom part of a belt main unit of polyurethane resin having a tooth part on an internal surface, forming a reinforcing layer on the tooth part, and specifying the alamide fiber core material. CONSTITUTION:An alamide fiber core material 3 serving as a tensile material is buried along a tooth bottom part of a belt main unit 1 of polyurethane resin, having tooth parts 2 of equal pitch on an internal surface, to form a reinforcing layer 4 of fabric, knitted cloth, etc. The alamide fiber core material 3 filament- bundled from several hundreds to several thousands, so that a filament of denier 0.9 to 1.6de obtains a denier number (d) of 16.3P<2d<24.5P<2> relating to a tooth pitch P, is first twisted by first twist coefficients 1.2 to 4.2 to form a first twist thread, and by drawing to arrange the seven first twist threads to perform a ply twist in 3.2 to 4.2 by a ply twist coefficient in a reverse direction to the first twist direction, a core material total denier number D is set to 82P<2D<122P<2> to provide a core material occupation rate 75 to 95% relating to a belt width. By the above, lives for tooth part shear and belt breaking can be improved.
Patent JP-H01109404-A (JP)
Title: Trouble diagnosis supporting system in sequence controller
Inventor: NISHIZAWA AKIRA
IPC: G05B19/048
Filed: 1987-10-22
Abstract: PURPOSE:To facilitate a cause analysis by extracting a rule including an action control signal or a condition response signal from a prescribed rule group and successively executing a rule extracted. CONSTITUTION:An operation control part 14 includes a CPU 26 to execute a prescribed action command through a sequencer 12 to a machine tool 10 and execute a trouble diagnosis supporting processing and a memory 28 to store a rule group used in a supporting processing. Based on a first rule group corresponding to plural action control signals and a condition response signal sent from the machine tool 10 and a second rule group corresponding to the action control signal and the condition response signal to change after a prescribed time in accordance with this, the CPU 26 extracts the action control signal or the condition response signal related to the troubled place. Thus, when the machine tool 10 is troubled, or becomes an abnormal condition and is stopped, the trouble cause can be easily analyzed by executing successively the first and second rule groups.
Patent JP-2000097191-A (JP)
Title: Fan integral with cooling device
Inventor: TAKAHASHI TARO
IPC: F04D25/08
Filed: 1998-09-22
Abstract: PROBLEM TO BE SOLVED: To provide a fan integral with cooling device used for cooling heating parts such as an MPU in a personal computer and the other electronic device and exhibiting extremely effective cooling action. SOLUTION: In this fan integral with cooling device in which a cooling wind supply opening 7 is formed in a circumferential wall 6 surrounding an impeller 3 in a fan casing 1 and a guide groove 9 leading to the cooling wind supply opening 7 is formed in the inner surface of the circumferential wall 6, cooling wind by the impeller 3 is guided to the supply opening 7 through the cooling wind guide groove 9 formed in the inner surface of the circumferential wall 6 while reducing ventilation resistance, a cooling wind ventilation quantity is increased, a surface area is increased and cooling effect is enhanced.
Patent JP-H08108211-A (JP)
Title: Diamond die for drawing steel
Inventor: KUSUDA MASAHIRO
IPC: B21C1/00
Filed: 1994-10-07
Abstract: PURPOSE: To improve the drawing performance of a steel wire, also working life of a die, productivity and quality of a drawn wire by making the drawing part of die, inlet part of die and outlet part of die of a diamond die into a suitable structure for drawing the steel wire and raising the performance of wire drawing, introducing property of a lubricating liquid and dischargeability of the lubricating liquid and transformed matter. CONSTITUTION: In the diamond die 10 for drawing the steel wire (a), the reduction angle 3γ in the wire drawing parts 3, 4 of die are formed at 11π2 deg. and also the ratio L/D of the bearing length L in the wire drawing parts 3, 4 of die to the bearing diameter D is formed into 0.4±1. In this diamond die 10, the bell angle 1α is formed at 90±10 deg. and also the approach angle 2β in the inlet parts 1, 2 of die is formed at 45±5 deg.. Further, the back angle 5θ in the outlet parts 5, 6 of die is formed at 30±5 deg. and also the back relief angle 6ψ in the outlet parts 5, 6 of die is formed at 90±10 deg..
Patent JP-H11152281-A (JP)
Title: Tricyclic compound, its production and agent
Inventor: OOKAWA SHIGENORI
IPC: C07D311/94
Filed: 1998-09-22
Abstract: PROBLEM TO BE SOLVED: To obtain a new compound useful as a living body rhythm modifier, a jet lag modifier, and a sleep disorder therapeutic agent or the like. SOLUTION: This new compound is a compound of formula I [R<1> is an amino (having a substituent) or the like; R<2> is a hydrocarbon (having the substituent) or the like; R' is a heterocycle (having the substituent) or the like; X is S or the like; Y is C, N or the like (with the proviso that when X is CH<2> , Y is C or the like); Formula II is a single bond or a double bond; ring A is a 5- to 7-membered O-containing heterocycle (having the substituent); ring B is a benzene ring (having the substituent); (m) is 1-4],  with the proviso that (S)-N-[2-(1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8y1)ethyl]propionamide is omitted}, e.g. N-[2-(1,6,7,8-tetrahydro-2H-, furo[3,2-e]indol-8-yl)ethyl]propionamide.  The compound of the formula I is obtained by reacting, for example, a compound or the like of formula III or formula IV with a compound or the like of the formula R<1> COOH and, if necessary, by performing a reduction reaction or the like.