baber/WOPTO huggingface dataset:
Patent JP-H10168002-A (JP)
Title: Production of liquid crystal compound having 2-(3,4,5-trifluorophenyl)ethyl group
Inventor: SHIMADA TERU
IPC: C07C25/18
Filed: 1996-12-10
Abstract: PROBLEM TO BE SOLVED: To produce the subject compound efficiently and safely, having a very large dielectric constant anisotropy (Δε) and capable of imparting a high resistivity value and electric voltage retention ratio to a liquid crystalline composition. SOLUTION: This method of producing a liquid crystal compound having 2-(3,4,5-trifluorophenyl)ethyl group, is constituted by reacting 2-(3,4,5- trifluorohalogenzene) (e.g. 1-bromo-3,4,5-trifluorobenzene) with magnesium or lithium to form an organometallic compound (a Grignard reagent), then reacting the Grignard reagent with a linear aldehyde containing cyclohexane ring of formula I [R is a 1-10C alkyl; the cyclohexane ring has a trans configuration; (m), (n)=0 or 1 and when (m)=1, n=1], dehydrating the obtained alcoholic compound to obtain a styrene derivative and further performing hydrogenation to produce an objective compound expressed by formula II.
Patent JP-H09157623-A (JP)
Title: Acrylic pressure-sensitive adhesive composition
Inventor: TSUJII YOSHINARI
IPC: C09J133/04
Filed: 1995-12-12
Abstract: PROBLEM TO BE SOLVED: To obtain an acrylic pressure-sensitive adhesive composition capable of shortening an aging time required for accomplishing the cross-linking to (1/2) to (1/3) as compared with that of a conventional technique. SOLUTION: This acrylic pressure-sensitive adhesive composition comprises an acrylic copolymer prepared by copolymerizing 50-99.5wt.% alkyl (meth) acrylate having a 4-12C alkyl group with 0.5-10 pts.wt. α,β-unsaturated carboxylic acid and, as necessary, 0-40wt.% other polymerizable monomers, a cross-linking agent composed of a polyfunctional polyisocyanate compound and a catalyst composed of a quaternary ammonium salt of an organic acid.
Patent JP-H07188452-A (JP)
Title: Expandable styrene resin composition and foamed molding produced therefrom
Inventor: TAKAHASHI ATSUSHI
IPC: C08L25/00
Filed: 1993-12-27
Abstract: PURPOSE:To a resin compsn. which is excellent in expandability and retention of blowing agent and gives a foamed molding excellent in impact strength and stiffness. CONSTITUTION:This compsn. is prepd. by impregnating a styrene resin compsn. comprising 70-98 pts.wt. styrene polymer and 2-30 pts.wt. rubbery polymer with a blowing agent provided the rubbery polymer is in the form of particles of which at least 90% have each a single occlusion structure.
Patent JP-H07190224-A (JP)
Title: Radiation photographing method for ball valve
Inventor: NAKANISHI SADAYUKI
IPC: F16K27/10
Filed: 1993-12-27
Abstract: PURPOSE:To solve a subject that preparation for radiation photographing of a welded part of a body and a body cap cannot be made or change of arrangement is required on the way of the radiation photographing because a sleeve pipe connected to an overall welding type ball valve is too long or too thin. CONSTITUTION:A film 18 is installed on the outside of a welded part A, a radiation source 15 is fixed at a specified position of a bar member 9 of a jig 8 formed by pin-connecting the central part of an arm member 10 to the head end part of the bar member 9, a ball 6 is inclined by inserting the arm member 10 into the central part of the ball 6 and oscillating it at a specified angle, the ball 6 is fixed on the arm member 10 by actuating a fixing mechanism 11 provided on the arm member 10 and radiation photographing of a ball valve 1 its carried out by rotating the bar member 9.
Patent JP-2000173003-A (JP)
Title: Magnetic recording and reproducing device
Inventor: TAKEUCHI ATSUSHI
IPC: G11B5/024
Filed: 1998-12-07
Abstract: PROBLEM TO BE SOLVED: To provide a magnetic recording and reproducing device for preventing the generation of the distortion of an image at the consecutive recording position or assemble editing position of a magnetic tape, and for obtaining a signal with high quality equivalent to that at a normal position. SOLUTION: A magnetic recording and reproducing device is provided with a head drum 17 equipped with recording heads 13 and 15 for recording helical tracks 2-12 in a magnetic tape 1 and erasure heads 14 and 16 for erasing the helical tracks 2-12 at positions prior to the recording heads 13 and 15, a recording circuit 26 for outputting a recording signal to the recording heads 13 and 15, a deleting circuit 27 for outputting a deletion signal to the erasure heads 14 and 16, and a control circuit 28 for controlling the deleting circuit 27 and the recording circuit 26. The erasure heads 14 and 16 are constituted so that areas beyond the helical tracks whose recording is ended by the recording heads 13 and 15 can be deleted.
Patent JP-2001162427-A (JP)
Title: Rotating polygon mirror and machining device for the same
Inventor: IMANARI TORU
IPC: B41J2/44
Filed: 1999-12-07
Abstract: PROBLEM TO BE SOLVED: To lower the price of a rotating polygon mirror by improving its productivity by a machining device for a rotating polygon mirror. SOLUTION: The machining device for a rotating polygon mirror, which is for mirror-finishing the polygonal prism faces of a rotating polygon mirror blank B1 in the form of a polygonal prism while sandwiching it from opposed sides of a first and a second face F1 and F2 perpendicular to the center axis, comprises a first holding member with a precision-finished contact surface 12c for contact with the first face F1 as the reference face of the finishing of each rotating polygon mirror face, and a second holding part 23 for contact with the second face F2 opposite to the first face. The second holding part includes a resilient contact member 24 for contact with the second face F2, and a holding member 23b for holding the contact member.  The contact member 24 is fixed on the holding member 23b when a projection 24b formed on the contact member is pressed in a recess 23c formed in the holding member and provided with smaller dimensions than the projection 24b on the contact member.
Patent JP-H11181074-A (JP)
Title: Isolation of polyhydroxycarboxylic acid
Inventor: SHIMIZU KOTARO
IPC: C08L101/16
Filed: 1997-12-17
Abstract: PROBLEM TO BE SOLVED: To provide a method for isolating a formed polyhydroxycarboxylic acid in a satisfactory form with respect to quality and productivity. SOLUTION: A hydroxycarboxylic acid and/or its oligomer is treated with a haloiminium salt to give a solution of a polyhydroxycarboxylic acid. An organic solvent is removed under reduced pressure while dripping the solution into water to give a water-slurry solution, which is filtered, washed and dried to isolate the objective polyhydroxycarboxylic acid.
Patent JP-H09170557-A (JP)
Title: Gas charging/exhausting device
Inventor: KAWAHARA MASAAKI
IPC: E04H15/20
Filed: 1995-12-18
Abstract: PROBLEM TO BE SOLVED: To improve gas charging efficiency and aim at time reduction for gas charging/exhausting work by providing an air suction chamber having two or more gas suction ports and a gas exhausting chamber having two or more exhaust ports, in such a device for making gas charging/exhausting of a gas column, etc., for composing an air tent and/or an air boat. SOLUTION: A gas charging/exhausting device is sectioned into a gas suction chamber C1 having gas suction ports 2 formed thereon and a gas exhaust chamber C2 having gas exhaust ports 3 formed thereon, and 4 gas suction ports 2 and 4 gas exhaust ports 3 are provided respectively. And a motor M is set inside thereof and when the motor M is operated, air inside of the gas suction chamber C1 is fed in the gas exhaust chamber C2 so that the air is taken in the gas suction chamber C1 from the gas suction ports 2 and the air inside of the gas exhaust chamber C2 may be exhausted from the gas exhaust ports 3. Then, the air discharged from the gas exhaust ports 3 is fed into an air column from a gas charging port of an air tent, etc., after passing through a hose so as to develop an air tent, etc.
Patent JP-H05157824-A (JP)
Title: Target discriminating device
Inventor: OGAWA HIROTOSHI
IPC: G01S3/782
Filed: 1991-12-05
Abstract: PURPOSE:To obtain a target discriminating device which is capable of realizing secure separation and discrimination of a target from its background or the like. CONSTITUTION:A target discriminating device is provided with infrared rays cameras 1a-1c which take an infrared photo of a target with its background and output the image signals of 3 kinds of mutually different specified infrared wavelength regions, binarization circuits 4a-4c which binarize the respective image signals, a pseudo color image display device 10 which processes the respective image signals into the pseudo color images and displays them, and identifies the target for the respective binarization circuits 4a-4c, an AND circuit 11 to take the logical production of the output of the respective binarization circuits 4a-4c, and a target XY direction collecting circuit 6 to obtain the point of gravity of the picture elements groups to be outputted as significant from the AND circuit 11. Thus, the arrangement allows the target to be securely separated/discriminated, obtaining a target discriminating device which enables tracking, alarming or the like with high accuracy.
Patent JP-H06198326-A (JP)
Title: Method and device for extruding metallic extruded material different in cross section shape in lengthwise direction
Inventor: YOSHIDA TAKASHI
IPC: B21C29/00
Filed: 1992-12-28
Abstract: PURPOSE:To extrude a metallic extruded material different in cross section shape in the lengthwise direction by temporarily or nearly shutting down the flow of the extruded material in a cross section area of part in the cross section area of a die gap through which the extruded material passes, by cooling in the time of extrusion. CONSTITUTION:When a changeover switch 5 is held at the closed position not to pass cooling medium through a cooling medium path 26, a billet metal B passes through a port part 28 between bridges 17 in a die 3 in the divided shape, then, they are welded to each other in a first welding room 14 and the metal passes through a 1st forming gap 20 between a female die hole 13 and a forming projection 18 and is extruded in front of a die 3 in a square hollow shape. At the same time, part of the billet metal B in the port 28 is charged into a 2nd welding room 22 on the front end side of a core 16 through upper and lower openings, then, they are welded to each other and extruded in front of the die 3 through a 2nd forming gap 21 and both upper and lower edge parts are welded to the central surface of the width of the square tubular part.
Patent JP-H11182295-A (JP)
Title: Control device for cylinder fuel injection type engine
Inventor: MOTOSE JIYUN
IPC: F01N13/12
Filed: 1997-12-18
Abstract: PROBLEM TO BE SOLVED: To correct air-fuel ratio finely by controlling the air-fuel ratio with at least fuel injection timing in a range of fine variation of the air-fuel ratio, and controlling the air-fuel ratio with fuel injection time out of the range. SOLUTION: A setting means 205 sets a fundamental fuel injection amount based on outputs from a rotation speed detecting means 201 and a load detecting means 202. An air-fuel ratio detecting means 203 detects air-fuel ratio after combustion, an air-fuel ratio control means 206, based on the detection signals, calculates fuel injection time and fuel injection timing so that the air-fuel ratio equals to a theoretical air-fuel ratio, and a fuel injection valve 13 is feedback- controlled. At this time, a target air-fuel ratio theoretical means 209 corrects a target air-fuel ratio based on detection signals from an engine operation condition detecting means 204.  An operation condition variation range judging means 210 judges variation range of the air-fuel ratio, the airfuel ratio is controlled with the fuel injection timing in a range of fine variation of the air-fuel ratio, and the air-fuel ratio is controlled with fuel injection time in the other range.
Patent JP-H11182572-A (JP)
Title: Constant velocity joint
Inventor: UNO YOSHITO
IPC: F16D3/20
Filed: 1997-12-18
Abstract: PROBLEM TO BE SOLVED: To provide a constant velocity joint capable of reducing the slide resistance and the thrust force by increasing the contact area of an outer circumferential surface of a cage to an inner circumferential surface of an outer joint member to reduce the load per unit area of a contact part. SOLUTION: A partial projecting spherical surface 21 of a cage 13 of a constant velocity joint is formed of a curved surface 21a of the radius (r) with the point O1 as the center of curvature at the perpendicular section to the axis to be cut by the plane orthogonal at the point O1 on the axis L1. In the partial projecting spherical surface 21, the center of curvature offset by the distance (d) from the axis L1 is O2 in the axial section to be cut by the plane including the axis L1, and formed of a curved surface 21b of the radius R. The radius R is larger than the radius (r). The taper angle to form a tapered surface 21c extending from the curved surface 21b is determined by the joint angle use range of a model in which the constant velocity joint is used.
Patent JP-H06177407-A (JP)
Title: Transparent conductive film
Inventor: SUGIHARA TADASHI
IPC: H01B5/14
Filed: 1992-12-02
Abstract: PURPOSE:To provide a transparent conductive film of good humidity resistance having little change of characteristic with time. CONSTITUTION:A transparent conductive film is a zinc oxide transparent conductive film 2 wherein 0.4 to 4.5 atomic % Al and 0.05 to 2.0 atomic % fluorine are contained. A transparent conductive film 2a from another point of view of this invention is formed by laminating a zinc oxide upper side transparent conductive film 6 containing 0.4 to 4.5 atomic % Al and 0.05 to 2.0 atomic % fluorine on a surface of a lower side transparent conductive film 8.
Patent JP-H10180735-A (JP)
Title: Concrete form
Inventor: YAMAMOTO ISAMU
IPC: B28B7/34
Filed: 1996-12-27
Abstract: PROBLEM TO BE SOLVED: To provide a concrete form having high durability which can be used repeatedly in which a concrete has a sufficient strength and fine external appearance free from pits (trace of blister). SOLUTION: In the concrete form, a sheath-core type composite long fibers, in which thermoplastic synthetic polymers having melting point 40 deg.C higher than that of a sheath portion are disposed in a core portion, serve as constituent fibers, and a part or the whole of the constituent fibers are bundled together by being fused to form a non-woven fabric layer and a synthetic resin layer having water permeability of 20g/m<2> or more is provided on one side of the non-woven fabric layer. It is preferable that a part or the whole of the constituent a fiber structure of the non-woven fabric layer has a three-dimensional intermingled structure.
Patent JP-2000171674-A (JP)
Title: Optical fiber cable
Inventor: WATABE MASAKAZU
IPC: G02B6/44
Filed: 1998-12-09
Abstract: PROBLEM TO BE SOLVED: To provide an optical fiber cable capable of preventing the occurrence of a loss increase and disconnection by the occurrence of the shrinkage and meandering of a coating when squeezing and bending are imparted thereto in the optical fiber cable formed by integrally coating a coated optical fiber 1 and tension members with PVC. SOLUTION: The tension members 2 are arranged on both sides of the coated optical fiber 1 and the PVC coating 3 is applied integrally thereto. Adhesive layers 5 of thermoplastic polyurethane are interposed between the tension members and the coating. The adhesiveness of the tension members and the coating may be enhanced by interposing the adhesive layers therebetween, by which the shrinkage and meandering of the coating may be suppressed. In addition, the problem of the deterioration of adhesive power with lapse of time may be solved.
Patent JP-H11183571-A (JP)
Title: Semiconductor integrated circuit and its testing method
Inventor: CHIKOU KENTA
IPC: H03K19/00
Filed: 1997-12-19
Abstract: PROBLEM TO BE SOLVED: To achieve a stable operation by suppressing increase in a power consumption due to a once-through current on operation in a normal mode while facilitating a test. SOLUTION: A test circuit 1 is provided with a selection function part 2 for selecting either an output signal A or a test signal B of a large-scale macro 8 in response to the supply of a test selection control signal TT and for outputting it as a selection signal Y and a drive adjustment function part 3 for performing control, so that a drive capacity is reduced when supplying an output signal TS corresponding to the selection signal Y in response to the supply of a control signal C and the drive capacity is increased when outputting the signal to a test output terminal TO4.
Patent JP-2000291555-A (JP)
Title: Gas compressor
Inventor: NONAKA TAKESHI
IPC: F04B39/04
Filed: 1999-12-09
Abstract: PROBLEM TO BE SOLVED: To provide a gas compressor suitable for enhancing cooling efficiency for an air conditioning system, and to prevent poor lubrication due to lack of lubricant. SOLUTION: The capacity of a discharge chamber is enlarged. When the capacity of the discharge chamber is enlarged, high pressure refrigerant gas containing unseparated oil constituents takes sufficient time to pass through the discharge chamber 7. When it takes 9 long time for gas to pass through the discharge chamber 7 such as this, the rate of falling-down due dead weight into an oil basin 7b of the unseparated oil constituents in high pressure refrigerant gas becomes high to let the inflow of the unseparated oil constituents into the condenser side of an air conditioning system, can be reduced as much as possible, and furthermore oil can be stored sufficiently in the gas compressor.
Patent JP-H06178170-A (JP)
Title: Housing device for monitor camera
Inventor: NISHIURA SUSUMU
IPC: H04N5/225
Filed: 1992-12-04
Abstract: PURPOSE:To expedite heat radiation, to prevent components in a device from being damaged, and to display the function of dust protection and light shielding by covering the upper part of a monitor camera mounted by inserting through the mounting hole of a ceiling board with a net. CONSTITUTION:The mounting hole is provided at the ceiling board 10, and a fixing frame 18 is placed on the ceiling board 10 through the mounting hole, and the net 16 is mounted on the upper part of the fixing frame 18 in advance. While, the monitor camera 14 is housed in a camera holder 20, and they are tightened with each other with two screws. Thence, after a coaxial cable is mounted on the camera 14 from a ceiling, the position of the fixing frame 18 is aligned with a flange part 22, and the fixing frame 18 is fixed on the flange part 22 by sliding the flange part 22. At this time, the screw for the adjustment of the mounting angle of the camera 14 is untightened. A material of synthetic resin with superior heat resistance and high shrinkage is used in the net 16, and the net 16 plays roles for the dust protection and the light shielding, and it is effective to employ the net in black color for the light shielding.
Patent JP-2001164763-A (JP)
Title: House built on a lot having height variation
Inventor: SAKAI NOBUHIKO
IPC: E04H1/02
Filed: 1999-12-09
Abstract: PROBLEM TO BE SOLVED: To provide a house built on a lot having height variation by providing an entrance on a first floor portion along a low land side with the height facing the road with a garden located near the rear side on a high land portion, a limited site area is effectively utilized, accessibility to the garden is enhanced without sacrificing other living spaces, by eliminating the troubles of carrying shoes for moving across the indoors without creating the problem of indoor fouling, thereby securing convenience in utilizing the garden. SOLUTION: An entrance E is provided at one side at the front, facing a road R of the house at the low land side in the lot, an inner court G is provided at a high place near the rear side, an entrance body 2 is provided between an approach 1 and an earth-floored room 3 in the entrance E portion, in the deep part of earth-floored room 3, a stair 5 rising to the inner court G through the door 4 is provided, while an entrance floor 8 coming to a room at the side of the earth-floored room 3 is provided.
Patent JP-H04294048-A (JP)
Title: High-voltage discharge lamp using metal halogenide
Inventor: ANDOREASU GENTSU
IPC: H01J61/82
Filed: 1991-12-11
Abstract: PURPOSE: To reduce devitrification of a lamp by wrapping hafnium and for zirconium as metal for metal halide. CONSTITUTION: A discharge tube 2 has 2 neck portions 3, 4, and tungsten electrodes in a pin shape 5, 6 are sealed in the neck portions by molybdenum sealing foils 7, 8. Splittings scattered from the electrodes are collected by vacancies 11, 12 formed between the electrodes 5, 6 and a glass coating of the neck portions 3, 4, so that blackening of the discharge tube 2 is prevented. The lamp emits light with a color temperature of 4000-9000K, a common color reproduction index Ra of not less than 90 and a color reproduction index Rg relating to a red spectrum of at least 50, and contains mercury and filling consisting of at least one kind of rare gas, cecium and metal halogenide. This metal halogenide contains hafnium and 1 or zirconium as a metal, and by this filling blackening of the lamp is reduced.
Patent JP-2001168070-A (JP)
Title: Gas supply mechanism for focus ion beam system
Inventor: TSURUHARA KENJI
IPC: H01J37/305
Filed: 1999-12-10
Abstract: PROBLEM TO BE SOLVED: To provide a mechanism for supplying gas from a nozzle to a deep machining part of a sample in which the interval between the nozzle and the sample can be adjusted readily with high accuracy without having any effect on the surface state of the sample. SOLUTION: A sample stage 5 and a gas supply unit 9 are disposed in the sample chamber 7 of a focus ion beam system and a microscope 31 is interposed between a sample 6 on the sample stage 5 and the gas nozzle 10 of the gas supply unit 9. A control computer 46, a control monitor 47 and a controller 48 are disposed on the outside of the sample chamber 7. Interval between the sample 6 and the gas nozzle 10 is adjusted by means of an interval adjusting mechanism and the angle of the gas nozzle 10 is adjusted by means of a nozzle angle varying mechanism.
Patent JP-H07199161-A (JP)
Title: Display device
Inventor: HOSHI JUNICHI
IPC: G02B26/00
Filed: 1993-12-28
Abstract: PURPOSE:To visually and tactily recognize information and to extend the application range of a display device by making it thin in size. CONSTITUTION:When voltage is impressed between a counter electrode 3 and an upper electrode 6, a silicone thin film 5 at a part impressed with the voltage is contracted. Therefore, the surface of the thin film 5 is made rugged to tactily detect the ruggedness. Meanwhile, the scattering or the like of light is caused by utilizing the ruggedness to visually recognize the information so well.
Patent JP-2001166493-A (JP)
Title: Aligner
Inventor: TAWARA TAKANORI
IPC: G03F7/20
Filed: 1999-12-10
Abstract: PROBLEM TO BE SOLVED: To provide an aligner that plural identification codes are aligned at a specified position in a short time and also an entire device is made compact. SOLUTION: Plural aligning units from 9-1 to 9-3 to align a substrate identification code 50a and a panel identification code 51a at a substrate 50 coated with a photosensitive material are respectively movably disposed, and also peripheral aligning units 24-1 and 24-2 to align a substrate peripheral part are movably disposed.