baber/WOPTO huggingface dataset:
Patent JP-S5445448-A (JP)
Title: Gas spring
Inventor: TOMIOKA HIROTAKA
IPC: B60J5/10
Filed: 1977-09-19
Abstract: PURPOSE:To prevent a damping effect from falling drastically, by providing at the end of piston near a piston rod a cup for reserving a part of working oil and by preventing only gas from passing through an orifice of gas spring. CONSTITUTION:The cup 17 for reserving a part of the working oil 7 is provided at the end of the piston near the piston rod 10. A fitted member 18, which can enter into the cup 17, is provided at the internal end of a rod guide 6. When the gas spring 1 is moved from a position a' to another d', a part of the working oil 7 is reserved in the cup 17 from another position c'. The fitted member 18 enters into the cup 17 and the oil 7'' reserved overflows the cup 17 and flows to the opposite side of the piston 9 through a gap 12 until the gas spring is moved from the position c' to the next d'. Therefore, the damping effect of the gas spring is prevented from falling drastically.
Patent JP-S5735381-A (JP)
Title: Manufacture of ir detecting device
Inventor: HAMASHIMA SHIGEKI
IPC: H01L21/425
Filed: 1980-08-12
Abstract: PURPOSE:To improve the yield rate by a method wherein an isolating film is formed, prior to ion injection, between a substrate and an insulating film to prevent insulating film constitutents from entering the substrate. CONSTITUTION:An anodic oxide film 12, an insulating film 13, and a photoresist film 14 are formed. Then, with the film 14 as a mask, the insulating film 13 is subjected to etching. After this, with the insulating film 13 as a patterned mask, the anodic oxide film 12 is subjected to etching. These processes are followed by the formation of an N type domain 15 by ion injecting B atoms into the substrate 11 with the anodic oxide film 12 and the insulating film 13 serving as masks.
Patent JP-S5737352-A (JP)
Title: Electrophotographic receptor
Inventor: YASUI KOU
IPC: G03G5/08
Filed: 1980-08-15
Abstract: PURPOSE:To obtain a receptor with enhanced charging properties, enhanced potential retentivity, superior durability, etc. by forming an amorphous silicon (a-Si) layer on a substrate by a plasma chemical vapor deposition method in the presence of silane, diborane and N2 optionally together with PH3. CONSTITUTION:On an electrically conductive substrate 2 of Al or the like an a-Si layer 1 is formed by a plasma CVD method in the presence of 5-40, preferably 5-20% silane, 10-500, preferably 20-100ppm diborane (B2H6) and 1-20, preferably 2-15% N2 to the total flow rate of gases. Thus, a receptor with high positively and negatively charging properties, potential retentivity and light attenuation is obtd. By further adding less than 3 times as much gaseous PH3 as B2H6, loss in the charging properties is inhibited, and the photosensitivity is enhanced remarkably. When an a-Si layer [I] 3 is first formed on the substrate by vapor deposition in the presence of B2H6 or N2 alone together with silane, and an a-Si layer [II] 4 is formed in the presence of B2H6 and N2, receptors for positive charging and for negative charging are obtd. in case where the layers 3 are formed in the presence of B2H6 alone and N2 alone, respectively.
Patent JP-H11307457-A (JP)
Title: Non-alloy electrode contact layer and its preparation
Inventor: SUGIURA HIDEO
IPC: H01L21/28
Filed: 1998-04-22
Abstract: PROBLEM TO BE SOLVED: To provide a non-alloy compound semiconductor electrode contact layer by dissolving problems of a conventional hybrid method and doping carbon (C) and beryllium (Be) simultaneously, by employing an MBE method or a CBE method wherein a dope layer of further high concentration can be obtained. SOLUTION: In the method, carbon (C) and beryllium (Be) are doped simultaneously by employing a MBE method or CBE method wherein a dope layer of higher concentration than that in an MOCVD method can be obtained. A compound semiconductor layer such as InGaAs or InGaAsP is subjected to re-growth, influence of remaining oxide of re-growth interface is eliminated by inducing mutual diffusion by Be, and a high concentration doped layer is formed by C. As a result, a non-alloy compound semiconductor electrode contact layer is prepared.
Patent JP-S5736978-A (JP)
Title: Fermentation tank
Inventor: MASAMOTO KYOJI
IPC: C12M1/14
Filed: 1980-08-14
Abstract: PURPOSE: The fermentation chamber is provided with flow stoppers and water- spraying pipes to enable the energy saving in methane fermentation by no use of a mechanical stirrer.  
     CONSTITUTION: The fermentation mixture consisting of organic wastes is fed through pipe 7 into the first fermentation chamber 3. The mixture is stopped by the flow stopper 8 and sprayed from the spray pipe 9 to the downstream of the stopper 8. The stream is stopped again by the stopper 10 and sprayed from the pipe 11 and resultantly, the fermentation mixture is stirred by the spraying to crash scums. The fermentation mixture continues fermentation in all the parts until the downstream of the stopper 10 and the methane formed pushes, with its own pressure, the fermentation mixture through connection opening 12 up to the second fermentation chamber 4. The same treatment is effected in the second chamber and the mixture is sent to the third fermentation chamber 5 where the mixture is expelled from the pipe 22. The methane gas overflows, when the amount exceeds the capacity of each fermentation chamber and the overflowing gas is collected in the tank 6a. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H08302924-A (JP)
Title: Repair method that repairs metal-made square type tile rod into round shape in metal roof board tiled over roof
Inventor: MATSUI SADAO
IPC: E04D3/366
Filed: 1995-05-10
Abstract: PURPOSE: To repair easily existing square-shaped tile rods into a round shape in a metal roof board tiled over roof wherein round-shaped rods are used and is unable to employ a spring back force owing to their thin properties and arranged not to degrade the waterproofness in the existing structure. CONSTITUTION: A reinforcing material having a curved surface area is loaded so that its lapped edge 13 may be placed on the edge of an existing tile rod 1 and then a plurality of fixing members having a locking part 15 and a clamping part 16 are employed, thereby clamping the lapped edges of the reinforcing materials thus placed on the existing tile rod with the clamping part of each fixing member 14 and fixing the reinforcing member with the existing tile rod.  In addition to that, a plurality of wrapping materials 18 having a curved surface area 19 are covered over the rear end of the wrapping material on the front side from the tip of the reinforcing material toward the rear end step by step so that the front of the wrapping materials on the rear side may be placed on the rear side of the wrapping materials on the front side while each of the wrapping materials is fixed with the reinforcing material by means of a small machine screw, for example.
Patent JP-S5236301-A (JP)
Title: Centrifugal pump and impeller
Inventor: TSUJIMOTO HARUO
IPC: F04D29/22
Filed: 1975-09-16
Abstract: PURPOSE: Improving vapor-liquid mixturing effect and that miniaturizing a pump. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-2000304312-A (JP)
Title: Air cleaner
Inventor: KIDERA YASUHITO
IPC: F24F7/00
Filed: 1999-04-20
Abstract: PROBLEM TO BE SOLVED: To remove effectively volatile organic compounds brought about from new construction materials, wall paper, ceiling materials or others of a house, or furniture or the like, by providing an inlet of air to be treated in the lower part of the main body of an air cleaner and also by providing an outlet of clean air on the upper side of the main body. SOLUTION: Support leg members 2 are provided in the lower part of the main body 1 of an air cleaner of which the front shape is square practically, and thereby the main body 1 is supported in a state of being lifted from a floor surface. An inlet 3 of air to be treated is provided on the lower side of the main body 1, while an outlet 4 of clean air is provided on the upper side of the main body 1. A motor-driven fan for sucking/blowing off air, an air cleaning part (an adsorption filter, a decomposing treatment part using a photocatalyst, etc.), duct members, etc., are provided inside the main body 1. According to this constitution, VOC(volatile organic compound) brought about from a floor material is sucked in with the air and made efficiently treatable and thereby the effect of the VOC on a human body is decreased.
Patent JP-H04318408-A (JP)
Title: Steering angle detecting apparatus with neutral point detector
Inventor: SASAKI TAKASHI
IPC: G01B11/26
Filed: 1991-04-17
Abstract: PURPOSE:To detect a neutral point in a simple structure without errors by means of a steering angle detecting apparatus equipped with a neutral point detector. CONSTITUTION:This apparatus is provided with a slit plate 101, a neutral point detecting plate 102 and a steering angle detector. The slit plate 101 having a plurality of steering angle detecting slits 103 and a neutral point detecting slit 105 rotates following the rotation of a steering shaft. The neutral point detecting plate 102 rotates as the slit plate 101 rotates, which has a neutral point detecting slit 104 formed so as to align with the neutral point detecting slit 105 of the slit plate 101. The steering angle detector is arranged to hold the steering angle detecting slits 103. Moreover, a neutral point detector is provided to hold the neutral point detecting slits 105, 104 when the slits 105, 104 of the slit plate 101 and neutral point detecting plate 102 are aligned with each other. The rotating ratio of the slit plate 101 and the neutral point detecting plate 102 is set to be a multiple of a non-integer.
Patent JP-S63280842-A (JP)
Title: Heating device for battery for internal combustion engine
Inventor: HORI TAKASHI
IPC: H01M10/615
Filed: 1987-05-11
Abstract: PURPOSE:To economize the electric power for heating a battery by installing a reversible energy conversion storage device for converting the heat energy discharged on engine drive into the chemical energy and stores said energy and by heating the battery by the regenerated heat energy. CONSTITUTION:A cooling liquid flow passage or exhaust gas passage 1 between an engine and a radiator is connected with a heat exchange part arranged in an energy storage device 3, and the energy storage device 3 and a battery 4 are allowed to communicate through a flow passage 5 in which thermal medium circulates. The flow passage 5 between the energy storage device 3 and the battery 4 is connected with the heat exchange part, and the heat exchange part on the battery 4 side is used as battery heating part 8. The energy storage device 3 converts the energy to the chemical energy, and stores said energy, and the chemical energy is regenerated as the heat energy if necessary. Said energy storage part 3 is formed by accommodating the metal hydrides into a case.
Patent JP-S63278452-A (JP)
Title: Automatic answering telephone system
Inventor: AMAMIYA HISATOSHI
IPC: H04M1/65
Filed: 1987-05-11
Abstract: PURPOSE:To eliminate fear of forgetting to perform a remote operation after setting an absent mode, by setting the absent mode automatically after reacting by performing a specific remote operation having relationship after sound recording all of the requirement messages in all sound recording areas. CONSTITUTION:A reception means 21 which performs the reception of a remote signal only for a constant time after automatic response corresponding to a second output generated behind a first output of a measuring means when no absent mode is set, an identification means (control means) 18 which identifies a specific remote signal based on the reception output of the reception means 21, and a control means 18 which sets the absent mode automatically after completing the reaction following said remote signal corresponding to the identification output of the specific remote signal from the identification means are provided. Therefore, when a call signal arrives for the number of times exceeding prescribed number of times or a prescribed time at the time of setting no absent mode, the measuring means generates the second output, and the automatic response is performed corresponding to the output, and when the specific remote signal arrives within a constant time after that and the reaction is performed based on the signal, the absent mode is set automatically after the completion of the reaction.
Patent JP-H05307171-A (JP)
Title: Liquid crystal composition for light control
Inventor: MATSUMOTO SHINICHI
IPC: G02F1/137
Filed: 1992-05-01
Abstract: PURPOSE:To suppress the denaturation of dichromatic dyestuff and to obtain a sufficient light scattering effect by using an acyl phosphine oxide, etc., as photopolymn. initiators. CONSTITUTION:A liquid crystal light control material, liquid crystal optical element and further, display device are obtd. by using a photopolymerizable resin, the photopolymn. initiators, at least one kind of which are the acyl sulfine oxide and/or acyl phosphonate expressed by formula I, a liquid crystal material and a liquid crystal compsn. for light control prepd. by compounding the dichromatic dyestuff. In the formula I, R1 is expressed by formula II, etc.; R2 and/or R3 denotes A-O- or A-, etc., X to Z are respectively H or a 1 to 3C alkyl group; A is a 1 to 3C alkyl group. The dichromatic dyestuff in the liquid crystal compsn. for light control is preferably dichromatic dyestuff particularly of an azo system, anthraquinone system and perylene system and the dichromatic dyestuff may be a single compd. and may be a mixture composed of plural kinds.
Patent JP-H05149980-A (JP)
Title: Noise-resistant low-voltage brownout detector having shutoff option
Inventor: KURISUTOFUAA EMU HOORU
IPC: H03K17/00
Filed: 1992-05-01
Abstract: PURPOSE: To obtain a stable brown-out detector. CONSTITUTION: When the voltage of a power source lowers because of brown out (drop in voltage of power source), a signal at a transistor 14 switches from a low to high position and a signal at a terminal 12 represents the brown-out. A transistor 16 applies a circuit voltage reference determining the level of a circuit switch, and a transistor 18 and a transistor 21 are connected to a transistor 20 as a current mirror. A transistor 15 is connected to a transistor 22 as a current mirror.
Patent JP-H10302751-A (JP)
Title: Battery electrode and battery using the same
Inventor: SUGIYAMA KAZUO
IPC: H01M50/528
Filed: 1997-04-30
Abstract: PROBLEM TO BE SOLVED: To provide an electrode capable of reducing the internal short- circuiting by arranging a sheet type electrode made of a sheet type metallic foil current collector coated with an electrode binder, a lead to be connected to the exposed part of the current collector and an insulation tape positioned in such a state as clamped with the current collector and the lead. SOLUTION: The center part of a positive electrode lead 8 is covered with an insulation tape 21 and, then, the exposed lower end 8a of the positive electrode lead 8 is welded to a positive electrode 3. Also, the exposed upper end 8b of the positive electrode lead 8 is welded to an explosion-proof valve body 9. Then, the flexible part 8c of the positive electrode lead 8 is bent, and a sealing body is coupled to a battery can. Furthermore, the insulation tape 21 is attached to the center part of the positive electrode lead 8 except for the lower end 8a and the upper end 8b thereof, and the positive electrode lead 8 is covered with the insulation tape 21 except for a connected part 8a with the positive electrode 3 and a connected part 8b with the explosion-proof valve body 9.  Also, the insulation tape 21 has such a part as positioned in such a state as clamped with the positive electrode 3 and the positive electrode lead 8.
Patent JP-S60255756-A (JP)
Title: Aminoalkylphenoxy derivative
Inventor: NOHARA FUJIO
IPC: A61P43/00
Filed: 1984-06-01
Abstract: NEW MATERIAL:A compound of formula I [R<1>, R<2> are H, 1-4C alkyl, may incorporate together with N atoms to form a 4-8 membered ring; A is 1-4C alkylene; Z is formula II, III (R<3>-R<6> are H, 1-4C alkyl, alkenyl)]. EXAMPLE:1-Methoxy-2-[4-<3-( 1-piperidinomethyl)phenoxy>-cis-2-butenylamine ]- 1-cyclobutene-3,4-dione. USE:Antiulcerative: it has a powerful activity of inhibiting histamine receptors and secretion of gastric acid. PREPARATION:The equimolar reaction between a compound of formula IV and another compound of formula V (R<20> is lower alkyl; E is O, S) is followed by reaction with an excessive amount, 2-5 times molar amount, of an amine to give the compound of formula I. The reaction is carried out in an inert organic solvent at room temperature - 80 deg.C for 30min-24hr.
Patent JP-S62270812-A (JP)
Title: Dust seal for ball joint
Inventor: TERAMACHI HIROSHI
IPC: F16C11/06
Filed: 1986-05-19
Abstract: PURPOSE:To enhance the mounting performance as well as air-tightness by forming a contact part for a ball-equipped rod at one of the open ends of the body of a seal, forming a fixation part for a ball receiver at the other open end, and providing said fixation part on its exterior face with a reinforcement having a bend. CONSTITUTION:This dust seal S includes a seal body 1 with both ends open made from an elastic material such as rubber, a contact part 2 formed in a ring with large wall thickness along the open edge periphery at one of the ends of said seal body 1, a fixation part 3 formed along the open edge at the other end of the seal body 1, and a metal reinforcement 11 installed at the exterior face of said fixation part 3 solidly and partially having a bend 12 oriented inward. After the contact part 2 is set in specified position of a ball- equipped rod 4 of a ball joint, this reinforcement 11 is pressure-fitted to the open edges of the ball receiver 8 together with the fixation part 3, and thereby the dust seal S is fitted on the ball joint.
Patent JP-S5738889-A (JP)
Title: Preparation of coal-oil mixture
Inventor: OGURA YOSHIKAZU
IPC: C10L1/32
Filed: 1980-08-15
Abstract: PURPOSE: To obtain a coal-oil mixt. with excellent dispersion stability, by preparing a pulverized coal-contg. agglomerate by bringing pulverized coal into contact with a mineral oil in an aqueous medium in the presence of an amphoteric surfactant and then dispersing the agglomerate in a fuel oil.  
     CONSTITUTION: Pulverized coal of particle size of about 50W500 mesh obtd. e.g., by crushing coarse coal by means of wet crushing is brought into contact with about 5W15wt%, based on the pulverized coal, mineral oil such as heavy oil, gas oil or tar, in the presence of about 0.1W20wt%, based on the mineral oil, amphoteric surfactant such as N-alkyl-3-aminopropionic acid, in an aqueous medium such as water or ethanol, to obtain an agglomerate. After separated from water by use of a screen, etc., the agglomerate is added to a fuel oil in a propartion of the pulverized coal in the agglomerate to the fuel oil of 3/7W7/3, and dispersed by a homomixer, etc., to obtain the purpose coal-oil mixture. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H07321080-A (JP)
Title: Method for cleaning silicon wafer
Inventor: TAKASHIMA MASAYUKI
IPC: H01L21/304
Filed: 1994-05-26
Abstract: PURPOSE:To provide a cleaning method to obtain a silicon wafer with high cleanness in which the adhesion of a metal is suppressed, even after the silicon wafer is cleaned by a cleaning liquid containing a sulfuric acid or hydrochloric acid. CONSTITUTION:After a silicon wafer is cleaned by a cleaning liquid containing a sulfuric acid or hydrochloric acid, for example, a mixture liquid (SPM) of sulfuric acid and hydrogen peroxide or a mixture liquid (HPM) consisting of hydrochloric acid, hydrogen peroxide and an ultra-pure water, it is treated with a water-soluble liquid containing hydrofluoric acid and nitric acid.
Patent JP-S60257506-A (JP)
Title: Oil-filled transformer
Inventor: ITAKURA YOSHIMITSU
IPC: H01F27/30
Filed: 1984-06-04
Abstract: PURPOSE:To enable an improvement in mechanical performance of a winding, by rounding end portions of a core holder and a spacer plate so that they touch internally inner corners of the winding. CONSTITUTION:The width of a core holder 13 is the same as the width E of a core. Corners of the holder 13 have a radius of curvature equal to the bending radius R1 of inner corners of an insulating wall 8. Similarly, a spacer plate 14 has its corners bent so as to have a bending radius R2 equal to that of inner corners of the insulating wall 8. With this structure, the inner corners C and D of a winding 6 are supported by the holder 13 and the spacer plate 14 from the inside thereof. Thus, the holder 13 and the spacer plate 14 can bear a mechanical force generated when a short-circuit occurs due to an accident such as a short-circuit on the secondary side of the transformer, and it is therefore possible to prevent any deformation of and damage to the winding 6.
Patent JP-H0412152-A (JP)
Title: Throttle opening degree correcting device
Inventor: YAMAKI MASAHITO
IPC: F02D41/14
Filed: 1990-04-27
Abstract: PURPOSE:To remove influence of variation in an intake air quantity caused by variation in the temperature and dirt of a throttle valve so as to eliminate variation in control quantity by correcting a throttle opening degree obtained based on detection angle of the throttle valve by means of the real throttle opening degree based on an engine load. CONSTITUTION:A preliminarily mapped intake air quantity is calculated based on throttle opening and engine speed and a fuel supply quantity to an engine is determined by said intake air quantity. In an air-fuel ratio controller and the like, a throttle opening degree detection means M1 which detects opening of a throttle valve is provided. The throttle opening quantity based on a detected value of the throttle opening degree detection means M1 is corrected by a real throttle opening quantity set based on engine load by an opening quantity correcting means M2. The detection value of the throttle opening quantity is corrected by calculating the substantial throttle opening quantity, so that variation of a control quantity is eliminated to improve controllability of an engine.
Patent JP-2000302287-A (JP)
Title: Sheet carrier
Inventor: SAITO SEIJI
IPC: B65H5/38
Filed: 1999-04-21
Abstract: PROBLEM TO BE SOLVED: To prevent the big directional change of the ends, located apart from a fixing nip portion, of fixed sheets being moved in a sheet carrying passage, the irregularity of the entry of the ends of the sheet into a carrying guide, great impact to the sheets and damage such as corrugation thereto. SOLUTION: A sheet carrier has a fixing nip portion 6 between a fixing roller 2 and a pressure roller 3, carrying guides 8-1, 8-2 provided in a sheet carrying passage 9 between a discharge roller 5 and a discharge nip portion 7 and a separating pawl 4 for separating sheets from a fixing roller 6. An angle formed by a tangent line of the fixing nip portion 4 between the fixing roller 2 and the pressure roller 3 and a tangent line of the discharge nip portion 7 of the discharge roller 5 is 60 degrees or more. The guide member 8-1 on the side of the pressure roller 3 is protruded to the side of the fixing roller 2 beyond a line connecting the fixing nip portion 6 and the rear end of the separating pawl 4 near the downstream side of the separating pawl 4 in the sheet carrying direction.